Ocean Prediction Center
ocean.weather.gov.web.brid.gy
Ocean Prediction Center
@ocean.weather.gov.web.brid.gy
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 301010 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1030 UTC THU OCT 30 2025 CCODE/2:31:04:11:00/AOE+AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0600 UTC OCT 30. 24 HOUR FORECAST VALID 0600 UTC OCT 31. 48 HOUR FORECAST VALID 0600 UTC NOV 01. .WARNINGS. ...HURRICANE WARNING... .SEE TAFB PORTION BELOW FOR MORE INFORMATION ON HURRICANE MELISSA. .24 HOUR FORECAST HURRICANE MELISSA NEAR 34.4N 65.5W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM NE QUADRANT...200 NM SE QUADRANT...170 NM SW QUADRANT...AND 120 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM NE QUADRANT...240 NM S SEMICIRCLE...AND 270 NM NW QUADRANT WITH SEAS TO 11.5 M. ELSEWHERE FROM 31N TO 38N BETWEEN 78W AND 58W WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M...EXCEPT WHERE DESCRIBED BELOW WITH LOW 42N73W. .48 HOUR FORECAST POST-TROPICAL MELISSA NEAR 47.0N 52.0W 960 MB. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 210 NM NE QUADRANT...250 NM SE QUADRANT...230 NM SW QUADRANT...AND 150 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 220 NM NW QUADRANT...180 NM SE QUADRANT...300 NM SW QUADRANT...AND 90 NM NW QUADRANT WITH SEAS TO 10 M. ELSEWHERE FROM 37N TO 52N BETWEEN 41W AND 55W WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. ...STORM WARNING... .LOW 36N80W 1003 MB MOVING NE 20 KT. W OF A LINE FROM 41N71W TO 35N72W TO 31N76W WINDS 25 TO 35 KT. SEAS 2.5 TO 4M. .24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 42N73W 988 MB AND NEW SECOND CENTER 41N70W 989 MB. FROM 38N TO 46N BETWEEN 60W AND 76W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M. .48 HOUR FORECAST COMBINED LOW 50N63W 972 MB. BETWEEN 240 NM AND 600 NM S QUADRANT WINDS 40 TO 50 KT. SEAS 4 TO 8 M. ELSEWHERE FROM 31N TO 50N BETWEEN 55W AND 75W WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M. ...GALE WARNING... .LOW E OF AREA NEAR 51N22W 962 MB MOVING NE 20 KT. E OF A LINE FROM 38N36W TO 50N51W TO 60N53W WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5 M. .24 HOUR FORECAST LOW E OF AREA NEAR 58N16W 957 MB. FROM 40N TO 60N E OF 45W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M...EXCEPT WHERE DESCRIBED BELOW WITH LOW 60N40W. .48 HOUR FORECAST LOW E OF AREA NEAR 60N22W 960 MB. N OF 48N E OF 41W WINDS 25 TO 40 KT. SEAS 2.5 TO 7 M...HIGHEST N OF 60N. ...GALE WARNING... .LOW 40N58W 1002 MB MOVING SE 10 KT. FROM 34N TO 44N BETWEEN 64W AND 50W WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M. .24 HOUR FORECAST LOW 38N54W 1010 MB. WITHIN 300 NM N SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY MELISSA. ...GALE WARNING... .LOW 38N48W 1010 MB MOVING SE 35 KT. WITHIN 240 NM OF CENTER WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. .24 HOUR FORECAST LOW E OF AREA NEAR 34N32W 1007 MB. WITHIN 240 NM W QUADRANT WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL E OF AREA. ...GALE WARNING... .LOW 61N38W 998 MB MOVING SE 20 KT. WITHIN 180 NM W SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. .24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS ABSORBED BY LOW 60N40W DESCRIBED BELOW. ...GALE WARNING... .24 HOUR FORECAST NEW LOW 60N40W 1003 MB. WITHIN 180 NM W SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS ABSORBED BY LOW 60N22W DESCRIBED ABOVE. .SYNOPSIS AND FORECAST. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 61N TO 64N E OF 42W. .24 HOUR FORECAST DENSE FOG FROM 59N TO 63N BETWEEN 38W AND 42W. .48 HOUR FORECAST DENSE FOG FROM 56N TO 59N W OF 51W. .LIGHT FREEZING SPRAY N OF 65N WITHIN 60 NM W OF GREENLAND. .24 HOUR FORECAST LIGHT FREEZING SPRAY WITHIN 60 NM W OF THE GREENLAND COAST N OF 62N. .48 HOUR FORECAST LIGHT FREEZING SPRAY WITHIN 90 NM W OF THE GREENLAND COAST N OF 62N...AND N OF 64N W OF 60W. .FORECASTER BYRD. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 0600 UTC THU OCT 30. 24 HOUR FORECAST VALID 0600 UTC FRI OCT 31. 48 HOUR FORECAST VALID 0600 UTC SAT NOV 1. .WARNINGS. ...ATLC HURRICANE WARNING... .HURRICANE MELISSA NEAR 25.8N 73.4W 968 MB AT 0900 UTC OCT 30 MOVING NNE OR 030 DEG AT 18 KT. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 170 NM E SEMICIRCLE...100 NM SW QUADRANT AND 130 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM N SEMICIRCLE...180 NM SE QUADRANT AND 150 NM SW QUADRANT WITH SEAS TO 12.0 M. ELSEWHERE WITHIN 29N69W TO 31N72W TO 26N77W TO 21N75W TO 21N69W TO 25N68W TO 29N69W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 TO 33 KT. SEAS 2.5 TO 4.5 M. .24 HOUR FORECAST HURRICANE MELISSA N OF AREA NEAR 34.4N 65.5W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM NE QUADRANT...200 NM SE QUADRANT...170 NM SW QUADRANT...AND 120 NM NW QUADRANT. OVER FORECAST WATERS SEAS 4 M OR GREATER N OF 27N BETWEEN 62W AND 76W WITH SEAS TO 9.0 M. ELSEWHERE WITHIN 28N61W TO 28N71W TO 31N81W TO 25N76W TO 24N69W TO 25N64W TO 28N61W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN MIXED SWELL. .48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL MELISSA NEAR 47.0N 52.0W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 210 NM NE QUADRANT...250 NM SE QUADRANT...230 NM SW QUADRANT...AND 150 NM NW QUADRANT. ELSEWHERE OVER FORECAST WATERS WITHIN 31N53W TO 31N72W TO 28N69W TO 28N62W TO 29N56W TO 31N53W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN W SWELL. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .ATLC WITHIN 31N78W TO 31N81W TO 30N81W TO 29N81W TO 30N79W TO 31N78W W TO NW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .12 HOUR FORECAST CONDITIONS MERGED WITH MELISSA. .ATLC WITHIN 17N35W TO 16N37W TO 14N37W TO 13N37W TO 12N35W TO 17N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .ATLC 03 HOUR FORECAST WITHIN 11N49W TO 12N51W TO 11N52W TO 10N52W TO 09N51W TO 09N49W TO 11N49W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NE SWELL. .24 HOUR FORECAST WITHIN 13N54W TO 13N55W TO 14N57W TO 13N58W TO 11N56W TO 12N53W TO 13N54W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN E TO SE SWELL. .30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .ATLC 30 HOUR FORECAST WITHIN 10N35W TO 13N41W TO 13N52W TO 10N52W TO 07N48W TO 07N37W TO 10N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .48 HOUR FORECAST WITHIN 09N41W TO 11N46W TO 11N50W TO 10N53W TO 07N50W TO 08N43W TO 09N41W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL. .ATLC 30 HOUR FORECAST WITHIN 31N35W TO 31N47W TO 30N45W TO 30N38W TO 30N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .48 HOUR FORECAST WITHIN 31N35W TO 31N44W TO 30N40W TO 29N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN N SWELL. .GULF OF AMERICA WITHIN 26N84W TO 29N84W TO 30N89W TO 28N97W TO 19N96W TO 19N93W TO 26N84W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ AND WITHIN 60 NM OF COAST OF CAMPECHE...NW TO N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN NW SWELL. .24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .CARIBBEAN 06 HOUR FORECAST WITHIN 22N84W TO 22N85W TO 22N86W TO 20N87W TO 19N86W TO 20N85W TO 22N84W...INCLUDING IN YUCATAN CHANNEL...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER RAMOS. NATIONAL HURRICANE CENTER. $$
ocean.weather.gov
October 30, 2025 at 2:11 PM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 291018 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1030 UTC WED OCT 29 2025 CCODE/2:31:04:11:00/AOE+AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0600 UTC OCT 29. 24 HOUR FORECAST VALID 0600 UTC OCT 30. 48 HOUR FORECAST VALID 0600 UTC OCT 31. .WARNINGS. ...HURRICANE WARNING... .SEE TAFB PORTION BELOW FOR MORE INFORMATION ON HURRICANE MELISSA. .48 HOUR FORECAST HURRICANE MELISSA NEAR 34.2N 64.8W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NE QUADRANT...180 NM SE QUADRANT...140 NM SW QUADRANT...AND 110 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM NE QUADRANT...240 NM SE QUADRANT...300 NM SW QUADRANT... 240 NM NW QUADRANT WITH SEAS TO 12 M. ELSEWHERE FROM 31N TO 40N BETWEEN 59W AND 79W WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M...EXCEPT WHERE DESCRIBED BELOW WITH LOW 39N69W. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. ...HURRICANE FORCE WIND WARNING... .LOW 47N37W 990 MB MOVING NE 25 KT AND RAPIDLY INTENSIFYING. BETWEEN 60 NM AND 120 NM SW SEMICIRCLE WINDS 55 TO 65 KT. SEAS 4 TO 7 M. ALSO WITHIN 180 NM SW SEMICIRCLE WINDS 40 TO 55 KT. SEAS 3 TO 5 M. ELSEWHERE FROM 37N TO 49N E OF 50W WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST LOW E OF AREA NEAR 52N21W 964 MB. E OF A LINE FROM 39N40W TO 65N60W WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5 M. .48 HOUR FORECAST LOW E OF AREA NEAR 57N17W 956 MB. N OF 40N E OF 42W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. ...GALE WARNING... .LOW 37N67W 999 MB MOVING NE 20 KT. FROM 31N TO 44N BETWEEN 77W AND 56W WINDS 25 TO 40 KT. SEAS 2.5 TO 6 M...HIGHEST NEAR LOW CENTER. .12 HOUR FORECAST LOW 39N63W 995 MB. WITHIN 120 NM NW SEMICIRCLE WINDS 35 TO 45 KT. SEAS 4 TO 6.5 M. .24 HOUR FORECAST LOW 39N58W 1003 MB. FROM 35N TO 44N BETWEEN 65W AND 50W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M. .48 HOUR FORECAST LOW 40N58W 1005 MB. WITHIN 300 NM N SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ...GALE WARNING... .24 HOUR FORECAST NEW LOW 37N47W 1008 MB. WITHIN 300 NM OF CENTER WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST LOW 34N35W WITHIN 240 NM W SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ...GALE WARNING... .24 HOUR FORECAST NEW LOW 37N78W 1006 MB. FROM 33N TO 41N W OF 72W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. .48 HOUR FORECAST LOW 39N69W 992 MB. WITHIN 300 NM OF CENTER WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M. .SYNOPSIS AND FORECAST. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 56N TO 65N E OF 40W...AND N OF 64N W OF 55W. .24 HOUR FORECAST DENSE FOG FROM 61N TO 65N W OF 62W. .48 HOUR FORECAST DENSE FOG FROM 60N TO 65N W OF 60W. .FORECASTER BYRD. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 0600 UTC WED OCT 29. 24 HOUR FORECAST VALID 0600 UTC THU OCT 30. 48 HOUR FORECAST VALID 0600 UTC FRI OCT 31. .WARNINGS. ...ATLC HURRICANE WARNING... .HURRICANE MELISSA NEAR 20.3N 76.1W 960 MB AT 0900 UTC OCT 29 MOVING NE OR 035 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NE QUADRANT...140 NM SE QUADRANT...70 NM SW QUADRANT...AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 0 NM NE QUADRANT...150 NM SE QUADRANT...120 NM SW QUADRANT...AND 105 NM NW QUADRANT WITH SEAS TO 9.5 M. ELSEWHERE WITHIN 22N73W TO 24N75W TO 21N82W TO 18N83W TO 15N75W TO 17N72W TO 22N73W...INCLUDING BETWEEN CUBA AND JAMAICA AND ATLANTIC EXPOSURES...WINDS 20 TO 33 KT. SEAS 2.5 TO 3.0 M. .24 HOUR FORECAST HURRICANE MELISSA NEAR 25.0N 73.0W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM E SEMICIRCLE...90 NM SW QUADRANT AND 100 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM E SEMICIRCLE AND 120 NM W SEMICIRCLE WITH SEAS TO 10.5 M. ELSEWHERE WITHIN 25N67W TO 29N72W TO 26N77W TO 22N76W TO 20N74W TO 20N68W TO 25N67W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 TO 33 KT. SEAS 2.5 TO 3.0 M. .48 HOUR FORECAST HURRICANE MELISSA N OF THE AREA NEAR 34.2N 64.8W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NE QUADRANT...180 NM SE QUADRANT...140 NM SW QUADRANT...AND 110 NM NW QUADRANT. OVER FORECAST WATERS SEAS 4 M OR GREATER WITHIN 390 NM SW SEMICIRCLE WITH SEAS TO 8.5 M. ELSEWHERE WITHIN 31N59W TO 31N77W TO 27N73W TO 28N62W TO 31N59W WINDS 20 TO 30 KT. SEAS 5.5 TO 7.0 M. REMAINDER OF AREA WITHIN 31N59W TO 27N72W TO 31N78W TO 28N79W TO 24N72W TO 24N66W TO 31N59W...INCLUDING ATLANTIC EXPOSURES...W WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. ...GULF OF AMERICA GALE WARNING... .COLD FRONT FROM 29N91W TO 25N97W. WITHIN 29N91W TO 30N92W TO 30N95W TO 27N97W TO 26N97W TO 27N94W TO 29N91W N WINDS 25 TO 35 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST COLD FRONT FROM 26N82W TO 21N86W. WITHIN 28N84W TO 30N86W TO 30N95W TO 23N98W TO 18N94W TO 28N84W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ AND WITHIN 60 NM OF COAST OF CAMPECHE...NW TO N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN NW SWELL. .48 HOUR FORECAST COLD FRONT E OF THE AREA. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .SYNOPSIS AND FORECAST. .ATLC WITHIN 31N59W TO 31N68W TO 30.5N67.5W TO 30N65W TO 30.5N59.5W TO 31N59W S TO SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. WITHIN 31N72W TO 31N79.5W TO 30.5N78.5W TO 30.5N76.5W TO 30.5N75W TO 31N72W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .ATLC WITHIN 22N35W TO 21N40W TO 18N40W TO 16N39W TO 14N35W TO 22N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .24 HOUR FORECAST WITHIN 19N35W TO 18N37W TO 14N38W TO 11N36W TO 11N35W TO 19N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .ATLC 24 HOUR FORECAST WITHIN 31N78W TO 31N81W TO 29N81W TO 30N80W TO 31N78W W WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .36 HOUR FORECAST CONDITIONS MERGED WITH HURRICANE MELISSA. .ATLC 48 HOUR FORECAST WITHIN 31N35W TO 31N38W TO 30N41W TO 29N40W TO 29N38W TO 30N36W TO 31N35W NW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. WITHIN 31N40.5W TO 31N47W TO 31N46.5W TO 30.5N43W TO 31N40.5W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL. .CARIBBEAN 30 HOUR FORECAST WITHIN 22N84W TO 22N85W TO 21N87W TO 20N87W TO 20N86W TO 20N84W TO 22N84W...INCLUDING IN YUCATAN CHANNEL...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST WITHIN 18N82W TO 18N85W TO 16N85W TO 16N83W TO 17N82W TO 18N82W N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER RAMOS. NATIONAL HURRICANE CENTER. $$
ocean.weather.gov
October 29, 2025 at 12:09 PM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 270422 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC MON OCT 27 2025 CCODE/2:31:04:11:00/AOE+AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0000 UTC OCT 27. 24 HOUR FORECAST VALID 0000 UTC OCT 28. 48 HOUR FORECAST VALID 0000 UTC OCT 29. .WARNINGS. ...STORM WARNING... .LOW 61N39W 1004 MB MOVING SE 15 KT. WITHIN 360 NM SW AND 420 NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M. .12 HOUR FORECAST LOW 60N39W 992 MB. WITHIN 120 NM W SEMICIRCLE WINDS 40 TO 50 KT. SEAS 3 TO 5 M. .24 HOUR FORECAST LOW 56N31W 1000 MB. WITHIN 480 NM SW QUADRANT WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL E OF AREA. ...GALE WARNING... .LOW 58N33W 1000 MB MOVING E 25 KT. WITHIN 540 NM SW QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED WELL E OF AREA. ...GALE WARNING... .24 HOUR FORECAST NEW LOW 66N58W 1004 MB. N OF 59N W OF GREENLAND WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST LOW 56N44W 1004 MB. WITHIN 480 NM SW SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 3 M. ...GALE WARNING... .24 HOUR FORECAST NEW LOW 31N79W 1008 MB. FROM 31N TO 39N W OF 71W WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 32N75W 1004 MB AND NEW SECOND CENTER 34N67W 1004 MB. WITHIN AN AREA BOUNDED BY A LINE FROM 31N83W TO 45N68W TO 31N57W TO 32N74W TO 31N83W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. ...GALE WARNING... .24 HOUR FORECAST NEW LOW 44N61W 1016 MB. WITHIN 300 NM N SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW 32N75W DESCRIBED ABOVE. ...GALE WARNING... .48 HOUR FORECAST NEW LOW 59N44W 1004 MB. FROM 58N TO 65N E OF 43W WINDS 25 TO 35 KT. SEAS TO 3 M. .SYNOPSIS AND FORECAST. .24 HOUR FORECAST DENSE FOG. VSBY OCCASIONALLY LESS THAN N OF 60N WITHIN 180 NM W OF GREENLAND. .48 HOUR FORECAST DENSE FOG FROM 59N TO 64N E OF 41W. .FORECASTER BYRD. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 0000 UTC MON OCT 27. 24 HOUR FORECAST VALID 0000 UTC TUE OCT 28. 48 HOUR FORECAST VALID 0000 UTC WED OCT 29. .WARNINGS. ...HURRICANE WARNING... .HURRICANE MELISSA NEAR 16.3N 77.5W 933 MB AT 0300 UTC OCT 27 MOVING W OR 270 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 125 KT GUSTS 150 KT. TROPICAL STORM FORCE WINDS WITHIN 170 NM NE QUADRANT...120 NM SE QUADRANT...50 NM SW QUADRANT...AND 80 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM W SEMICIRCLE...210 NM NE QUADRANT AND 150 NM SE QUADRANT WITH SEAS TO 9.0 M. ELSEWHERE WITHIN 18N72W TO 20N75W TO 19N81W TO 14N80W TO 13N76W TO 15N72W TO 18N72W...INCLUDING BETWEEN CUBA AND JAMAICA...WINDS 20 TO 33 KT. SEAS 2.5 TO 4.5 M. .24 HOUR FORECAST HURRICANE MELISSA NEAR 17.1N 78.2W. MAXIMUM SUSTAINED WINDS 140 KT GUSTS 170 KT. TROPICAL STORM FORCE WINDS WITHIN 170 NM NE QUADRANT...130 NM SE QUADRANT...60 NM SW QUADRANT...AND 110 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM FROM CENTER...EXCEPT 75 NM IN THE SW QUADRANT WITH SEAS TO 7.0 M. ELSEWHERE WITHIN 20N74W TO 20N80W TO 19N81W TO 15N81W TO 12N76W TO 16N72W TO 20N74W...INCLUDING BETWEEN CUBA AND JAMAICA...WINDS 20 TO 33 KT. SEAS 2.5 TO 3.0 M. .48 HOUR FORECAST HURRICANE MELISSA NEAR 19.4N 76.7W. MAXIMUM SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM E SEMICIRCLE...70 NM SW QUADRANT AND 100 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 135 NM NE QUADRANT...210 NM SE QUADRANT...WITHIN 180 NM SW QUADRANT AND 0 NM NW QUADRANT WITH SEAS TO 9.0 M. ELSEWHERE WITHIN 18N72W TO 22N74W TO 21N80W TO 17N81W TO 17N78W TO 13N75W TO 18N72W WINDS 20 TO 33 KT. SEAS 2.5 TO 3.0 M. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .ATLC STATIONARY FRONT FROM 31N66W TO 28N80W. WITHIN 30N75W TO 31N76W TO 31N81W TO 28N80W TO 28N79W TO 28N76W TO 30N75W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. WITHIN 27N74W TO 28N75W TO 28N76W TO 27N77W TO 26N77W TO 26N75W TO 27N74W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E TO SE SWELL. .24 HOUR FORECAST LOW PRES NEAR 31N77W WITH TROUGH TO 30N80W. WITHIN 31N74W TO 31N80W TO 30N80W TO 30N76W TO 31N74W SW TO W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .48 HOUR FORECAST STATIONARY FRONT FROM 31N78W TO 29N80W. WITHIN 31N77W TO 31N81W TO 29N81W TO 30N80W TO 30N78W TO 31N77W N TO NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. WITHIN 31N60W TO 31N66W TO 29N65W TO 29N63W TO 30N61W TO 31N60W S WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .ATLC WITHIN 31N40W TO 31N46W TO 29N45W TO 29N44W TO 30N43W TO 31N40W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .ATLC 36 HOUR FORECAST WITHIN 24N35W TO 25N38W TO 23N39W TO 21N36W TO 21N35W TO 24N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .48 HOUR FORECAST WITHIN 23N35W TO 21N37W TO 20N37W TO 18N36W TO 17N35W TO 23N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER RAMOS. NATIONAL HURRICANE CENTER. $$
ocean.weather.gov
October 27, 2025 at 8:31 AM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 260401 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC SUN OCT 26 2025 CCODE/2:31:04:11:00/AOE+AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0000 UTC OCT 26. 24 HOUR FORECAST VALID 0000 UTC OCT 27. 48 HOUR FORECAST VALID 0000 UTC OCT 28. .WARNINGS. ...STORM WARNING... .24 HOUR FORECAST NEW LOW 61N40W 1004 MB. WITHIN 300 NM W AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. .36 HOUR FORECAST LOW 61N40W 996 MB. BETWEEN 90 NM AND 240 NM SW QUADRANT WINDS 35 TO 50 KT. SEAS 4 TO 6.5 M. ELSEWHERE FROM 55N TO 65N E OF 50W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. .48 HOUR FORECAST LOW 59N36W 999 MB. WITHIN 300 NM SW SEMICIRCLE WINDS 25 TO 40 KT. SEAS 4 TO 7 M...HIGHEST S OF LOW. ELSEWHERE WITHIN 360 NM N...540 NM W AND 480 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M...HIGHEST SW OF LOW. ...GALE WARNING... .LOW 53N48W 1012 MB MOVING NE 25 KT. WITHIN 360 NM S AND 420 NM E QUADRANTS AND WITHIN 240 NM E OF A FRONT FROM LOW TO 41N52W WINDS 20 TO 30 KT. SEAS TO 3.5 M. .24 HOUR FORECAST LOW 58N34W 1002 MB. FROM 51N TO 58N E OF 43W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. .48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED WELL E OF AREA. ...GALE WARNING... .24 HOUR FORECAST S OF 34N W OF 74W AREA OF NE TO E WINDS TO 25 KT. SEAS TO 2.5 M. .42 HOUR FORECAST NEW LOW TO FORM NEAR 32N79W 1008 MB. FROM 31N TO 35N BETWEEN 73W AND 79W WINDS 25 TO 35 KT. SEAS TO 3.5 M. .48 HOUR FORECAST LOW 32N78W 1005 MB. FROM 32N TO 36N W OF 72W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ...GALE WARNING... .36 HOUR FORECAST NEW LOW TO FORM NEAR 65N62W 1007 MB. FROM 60N TO 64N W OF 58W AREA OF E TO NE WINDS 25 TO 35 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 67N58W 1002 MB. WITHIN 180 NM E QUADRANT AND FROM 60N TO 65N W OF 57W WINDS 25 TO 35 KT. SEAS TO 3.5 M. .SYNOPSIS AND FORECAST. .S OF 40N E OF 45W AREA OF E TO NE WINDS TO 25 KT. SEAS TO 4 M. .24 HOUR FORECAST S OF 38N E OF 40W WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST CONDITIONS DIMINISHED. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM W AND NW OF A LINE FROM 46N48W TO 52N47W TO 55N37W...AND N OF 62N BETWEEN 50W AND 54W. .24 HOUR FORECAST DENSE FOG FROM 41N TO 46N BETWEEN 47W AND 52N...AND N OF 61N E OF GREENLAND. .48 HOUR FORECAST DENSE FOG N OF 64N E OF GREENLAND. .FORECASTER BANCROFT. OCEAN PREDICTION CENTER. NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 0000 UTC SUN OCT 26. 24 HOUR FORECAST VALID 0000 UTC MON OCT 27. 48 HOUR FORECAST VALID 0000 UTC TUE OCT 28. .WARNINGS. ...CARIBBEAN HURRICANE WARNING... .HURRICANE MELISSA NEAR 16.4N 75.9W 967 MB AT 0300 UTC OCT 26 MOVING W OR 265 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM NE QUADRANT...110 NM SE QUADRANT...40 NM SW QUADRANT...AND 80 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM NW AND SE QUADRANTS...150 NM NE QUADRANT AND 60 NM SW QUADRANT WITH SEAS TO 8 M. ELSEWHERE WITHIN 17N71W TO 20N76W TO 16N79W TO 14N75W TO 15N72W TO 17N71W WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST HURRICANE MELISSA NEAR 16.4N 77.0W. MAXIMUM SUSTAINED WINDS 125 KT GUSTS 150 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NE QUADRANT...120 NM SE QUADRANT...50 NM SW QUADRANT...AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM OF CENTER EXCEPT 90 NM NW QUADRANT WITH SEAS TO 10 M. ELSEWHERE WITHIN 20N75W TO 18N76W TO 20N78W TO 18N81W TO 15N76W TO 17N72W TO 20N75W WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF AREA WITHIN 18N72W TO 15N75W TO 17N80W TO 15N80W TO 12N77W TO 14N71W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL. .48 HOUR FORECAST HURRICANE MELISSA NEAR 17.2N 77.7W. MAXIMUM SUSTAINED WINDS 140 KT GUSTS 170 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NE QUADRANT...140 NM SE QUADRANT...60 NM SW QUADRANT...AND 110 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM NW AND 180 NM SE SEMICIRCLES WITH SEAS TO 10 M. ELSEWHERE WITHIN 19N74W TO 20N76W TO 20N79W TO 17N81W TO 15N77W TO 16N75W TO 19N74W WINDS 20 TO 33 KT. SEAS 3 TO 4 M. ELSEWHERE WITHIN 20N75W TO 19N81W TO 14N81W TO 11N77W TO 16N71W TO 20N75W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .ATLC WITHIN 28N74W TO 30N72W TO 30N75W TO 29N79W TO 23N77W TO 24N73W TO 28N74W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST WITHIN 31N77W TO 31N81W TO 28N80W TO 25N76W TO 26N74W TO 28N74W TO 31N77W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .ATLC WITHIN 18N41W TO 19N42W TO 19N43W TO 17N43W TO 17N42W TO 18N41W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. .18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .ATLC WITHIN 31N35W TO 31N50W TO 29N47W TO 28N43W TO 29N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN N TO NE SWELL. .24 HOUR FORECAST WITHIN 27N40W TO 31N35W TO 31N50W TO 22N51W TO 22N43W TO 20N39W TO 27N40W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .48 HOUR FORECAST WITHIN 27N37W TO 24N46W TO 24N53W TO 22N57W TO 19N52W TO 23N41W TO 27N37W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .ATLC AND GULF OF AMERICA WITHIN 28N80W TO 24N83W TO 24N82W TO 25N81W TO 25N80W TO 28N80W...INCLUDING STRAITS OF FLORIDA... NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. .24 HOUR FORECAST LITTLE CHANGE. .36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .GULF OF AMERICA WITHIN 30N84W TO 29N86W TO 25N85W TO 24N84W TO 25N81W TO 30N84W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. $$ .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.
ocean.weather.gov
October 26, 2025 at 6:08 AM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 250358 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC SAT OCT 25 2025 CCODE/2:31:04:11:00/AOE+AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0000 UTC OCT 25. 24 HOUR FORECAST VALID 0000 UTC OCT 26. 48 HOUR FORECAST VALID 0000 UTC OCT 27. .WARNINGS. ...GALE WARNING... .LOW 356N37W 1015 MB MOVING SE 15 KT. WITHIN 360 NM NW SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2 TO 4.5 M. .24 HOUR FORECAST LOW DISSIPATED E OF AREA. S OF 41N E OF 42W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST CONDITIONS DIMINISHED. ...GALE WARNING... .LOW 52N50W 1016 MB. WITHIN 360 NM E OF A LINE FROM 58N42W TO LOW CENTER TO 36N62W...AND WITHIN 180 NM SW QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. .24 HOUR FORECAST LOW 52N50W 1016 MB. WITHIN 360 NM E AND SE OF A LINE FROM 57N35W TO 56N44W TO LOW CENTER TO 43N56W WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST LOW 56N37W 1008 MB. WITHIN 420 NM S SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ...GALE WARNING... .48 HOUR FORECAST NEW LOW 61N40W 1006 MB. WITHIN 360 NM W QUADRANT WINDS 25 TO 35 KT. SEAS TO 3 M. .SYNOPSIS AND FORECAST. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF A LINE FROM 58N64W TO 64N51W...AND WITHIN 180 NM E OF A LINE FROM 59N45W TO 47N55W. .24 HOUR FORECAST DENSE FOG N OF 62N BETWEEN 50W AND 54W...AND FROM 45N TO 54N BETWEEN 54W AND 43W. .48 HOUR FORECAST DENSE FOG N OF 60N BETWEEN 45W AND 40W...AND FROM 54N TO 56N E OF 40W. .FORECASTER BYRD. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 0000 UTC SAT OCT 25. 24 HOUR FORECAST VALID 0000 UTC SUN OCT 26. 48 HOUR FORECAST VALID 0000 UTC MON OCT 27. .WARNINGS. ...CARIBBEAN HURRICANE WARNING... .TROPICAL STORM MELISSA NEAR 16.1N 74.9W 993 MB AT 0300 UTC OCT 25 MOVING NW OR 325 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...120 NM SE QUADRANT...30 NM SW QUADRANT...AND 40 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM OF CENTER EXCEPT 30 NM SW QUADRANT WITH SEAS TO 6 M. ELSEWHERE WITHIN 18N72W TO 19N76W TO 17N78W TO 15N76W TO 14N73W TO 15N72W TO 18N72W WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M. .12 HOUR FORECAST HURRICANE MELISSA NEAR 16.5N 75.2W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. .24 HOUR FORECAST HURRICANE MELISSA NEAR 16.7N 75.7W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM E SEMICIRCLE...50 NM SW QUADRANT AND 80 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM NE...150 NM SE...75 NM SW...AND 90 NM NW WITH SEAS TO 8 M. ELSEWHERE WITHIN 19N73W TO 20N76W TO 19N81W TO 17N81W TO 14N75W TO 16N72W TO 19N73W WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST MAJOR HURRICANE MELISSA NEAR 16.8N 76.8W. MAXIMUM SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NE QUADRANT...150 NM SE QUADRANT...70 NM SW QUADRANT...AND 110 NM NW QUADRANT. SEAS 4 M OR GREATER 210 NM NE...180 NM SE...AND 120 NM W SEMICIRCLE WITH SEAS TO 10 M. ELSEWHERE WITHIN 18N71W TO 20N78W TO 18N81W TO 15N81W TO 12N77W TO 15N71W TO 18N71W WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .ATLC WITHIN 31N35W TO 31N46W TO 30N45W TO 29N41W TO 29N38W TO 30N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .24 HOUR FORECAST WITHIN 31N35W TO 31N50W TO 27N45W TO 26N41W TO 28N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN N TO NE SWELL. .48 HOUR FORECAST WITHIN 31N35W TO 31N49W TO 25N52W TO 20N47W TO 19N37W TO 24N40W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .ATLC 06 HOUR FORECAST WITHIN 17N38W TO 18N39W TO 17N40W TO 16N40W TO 14N38W TO 15N37W TO 17N38W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN SE SWELL. .24 HOUR FORECAST WITHIN 19N41W TO 19N44W TO 17N44W TO 15N42W TO 14N41W TO 16N40W TO 19N41W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN N SWELL. .42 HOUR FORECAST CONDITIONS MERGED THE SWELL DESCRIBED IN THE PARAGRAPH ABOVE. .ATLC WITHIN 25N76W TO 27N77W TO 28N79W TO 24N82W TO 22N79W TO 22N76W TO 25N76W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST WITHIN 29N73W TO 30N80W TO 23N80W TO 26N76W TO 20N70W TO 26N73W TO 29N73W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN E SWELL. .48 HOUR FORECAST WITHIN 31N76W TO 31N81W TO 28N80W TO 27N78W TO 24N75W TO 25N73W TO 31N76W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .CARIBBEAN WITHIN 21N78W TO 22N79W TO 22N80W TO 21N82W TO 18N82W TO 18N80W TO 21N78W NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .GULF OF AMERICA WITHIN 26N82W TO 28N84W TO 28N85W TO 26N85W TO 23N83W TO 23N81W TO 26N82W...INCLUDING STRAITS OF FLORIDA... NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER. $$
ocean.weather.gov
October 25, 2025 at 4:11 AM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 242218 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 2230 UTC FRI OCT 24 2025 CCODE/2:31:04:11:00/AOE+AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 1800 UTC OCT 24. 24 HOUR FORECAST VALID 1800 UTC OCT 25. 48 HOUR FORECAST VALID 1800 UTC OCT 26. .WARNINGS. ...GALE WARNING... .COMPLEX LOW WITH MAIN CENTER 36N36W 1013 MB MOVING SE 20 KT. WITHIN 180 NM NW SEMICIRCLE WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M...HIGHEST NEAR 38N39W. ELSEWHERE FROM 31N TO 43N E OF 43W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .24 HOUR FORECAST LOW E OF THE AREA 35N24W 1010 MB. FROM 31N TO 42N E OF 45W WINDS TO 25 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST LOW DISSIPATED. FROM 31N TO 40N E OF 47W AREA OF NE TO E WINDS TO 25 KT. SEAS TO 3.5 M. ...GALE WARNING... .INLAND COMPLEX WITH MAIN LOW 59N66W 998 MB MOVING NE 20 KT. WITHIN 90 NM NE OF A LINE FROM 63N54W TO 61N51W TO W GREENLAND WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 900 NM SE...600 NM S AND 360 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 63N54W 1007 MB. N OF 61N W OF GREENLAND WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW DISSIPATED. FROM 53N TO 65N W OF 45W AREA OF NW TO N WINDS TO 25 KT. SEAS TO 3 M. ...GALE WARNING... .LOW 43N59W 1012 MB MOVING NE 10 KT. WITHIN 240 NM NE AND E OF A LINE FROM 50N52W TO THE LOW TO 35N64W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .06 HOUR FORECAST LOW 44N57W 1012 MB. WITHIN 180 NM SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M...HIGHEST NEAR 43N56W. .24 HOUR FORECAST LOW 46N54W 1012 MB. WITHIN 840 NM NE AND 300 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M .48 HOUR FORECAST LOW 53N45W 1013 MB. WITHIN 240 NM SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M...HIGHEST NEAR 54N38W. ELSEWHERE WITHIN 360 NM NE...SE AND 180 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .SYNOPSIS AND FORECAST. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM W AND NW OF A LINE FROM 47N52W TO 58N43W AND N OF 60N W OF GREENLAND. .24 HOUR FORECAST DENSE FOG WITHIN 180 W AND NW OF A LINE FROM 46N52W TO 51N48W...WITHIN 60 NM W OF A LINE FROM 58N60W TO 60N62W TO THE COAST OF LABRADOR AND N OF 62N E OF 58W TO W GREENLAND. .48 HOUR FORECAST DENSE FOG WITHIN 90 NM NW AND N OF A LINE FROM 54N43W TO 56N36W AND WITHIN 60 NM W OF A LINE FROM 54N55W TO 56N57W TO THE COAST OF LABRADOR. .FORECASTER FUTTERMAN. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 1800 UTC FRI OCT 24. 24 HOUR FORECAST VALID 1800 UTC SAT OCT 25. 48 HOUR FORECAST VALID 1800 UTC SUN OCT 26. .WARNINGS. ...HURRICANE WARNING... .TROPICAL STORM MELISSA NEAR 16.0N 74.3W 995 MB AT 2100 UTC OCT 24 MOVING N OR 360 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...120 NM SE QUADRANT...30 NM SW QUADRANT...AND 50 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM OF CENTER EXCEPT 30 NM SW QUADRANT WITH SEAS TO 5.5 M. WITHIN 18N73W TO 19N77W TO 17N77W TO 16N76W TO 14N74W TO 16N72W TO 18N73W...INCLUDING BETWEEN CUBA AND JAMAICA...WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. ELSEWHERE WITHIN 14N75W TO 15N76W TO 14N77W TO 14N76W TO 14N73W TO 14N75W WINDS 20 TO 33 KT. SEAS LESS THAN 2.5 M. REMAINDER OF AREA WITHIN 18N72W TO 18N74W TO 18N77W TO 16N78W TO 14N73W TO 15N72W TO 18N72W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL. .12 HOUR FORECAST HURRICANE MELISSA NEAR 16.2N 74.4W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. .24 HOUR FORECAST HURRICANE MELISSA NEAR 16.4N 74.8W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM E SEMICIRCLE...50 NM SW QUADRANT AND 80 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 105 NM N SEMICIRCLE...75 NM SE QUADRANT AND 60 NM SW QUADRANT WITH SEAS TO 6.5 M. WITHIN 18N73W TO 18N75W TO 19N77W TO 15N76W TO 15N73W TO 16N72W TO 18N73W...INCLUDING BETWEEN CUBA AND JAMAICA...WINDS 20 TO 33 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE WITHIN 19N78W TO 18N78W TO 19N79W TO 18N80W TO 17N78W TO 18N77W TO 19N78W WINDS 20 TO 33 KT. SEAS LESS THAN 2.5 M. REMAINDER OF AREA WITHIN 19N75W TO 20N77W TO 19N77W TO 16N78W TO 14N75W TO 15N74W TO 19N75W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL. .48 HOUR FORECAST HURRICANE MELISSA NEAR 16.5N 76.0W. MAXIMUM SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NE QUADRANT...150 NM SE QUADRANT...70 NM SW QUADRANT...AND 110 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM N SEMICIRCLE AND 90 NM S SEMICIRCLE WITH SEAS TO 8.0 M. WITHIN 18N73W TO 20N79W TO 18N81W TO 15N77W TO 15N74W TO 16N72W TO 18N73W...INCLUDING BETWEEN CUBA AND JAMAICA...WINDS 20 TO 33 KT. SEAS 2.5 TO 5.0 M. ELSEWHERE WITHIN 20N75W TO 20N80W TO 19N80W TO 15N79W TO 14N77W TO 14N75W TO 20N75W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .ATLC WITHIN 24N68W TO 22N70W TO 21N73W TO 20N71W TO 21N69W TO 22N66W TO 24N68W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 M IN SE SWELL. .24 HOUR FORECAST WITHIN 29N73W TO 29N80W TO 24N82W TO 21N76W TO 20N70W TO 24N73W TO 29N73W...INCLUDING STRAITS OF FLORIDA AND ATLANTIC EXPOSURES...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN MIXED SE AND NE SWELL. .48 HOUR FORECAST WITHIN 22N73W TO 23N75W TO 22N76W TO 21N74W TO 20N71W TO 21N71W TO 22N73W...INCLUDING ATLANTIC EXPOSURES...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. ELSEWHERE WITHIN 30N74W TO 30N77W TO 29N80W TO 27N80W TO 27N77W TO 25N75W TO 30N74W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. .ATLC WITHIN 14N41W TO 14N42W TO 13N41W TO 14N40W TO 14N41W WINDS 20 KT OR LESS. SEAS 2.5 M IN E TO SE SWELL. .24 HOUR FORECAST WITHIN 17N40W TO 18N41W TO 18N42W TO 17N43W TO 15N41W TO 15N40W TO 17N40W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN N SWELL. .48 HOUR FORECAST CONDITIONS MERGED WITH AREA DESCRIBED BELOW. .ATLC WITHIN 31N35W TO 31N49W TO 30N45W TO 29N39W TO 30N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .24 HOUR FORECAST WITHIN 31N35W TO 31N49W TO 29N47W TO 27N39W TO 28N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN N TO NE SWELL. .48 HOUR FORECAST WITHIN 31N35W TO 31N52W TO 22N51W TO 18N45W TO 20N38W TO 26N38W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .CARIBBEAN 06 HOUR FORECAST WITHIN 21N79W TO 22N82W TO 18N82W TO 19N80W TO 18N79W TO 19N78W TO 21N79W NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .18 HOUR FORECAST CONDITIONS MERGED WITH TROPICAL STORM MELISSA. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER ADAMS. NATIONAL HURRICANE CENTER. $$
ocean.weather.gov
October 25, 2025 at 2:08 AM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 232159 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 2230 UTC THU OCT 23 2025 CCODE/2:31:04:11:00/AOE+AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 1800 UTC OCT 23. 24 HOUR FORECAST VALID 1800 UTC OCT 24. 48 HOUR FORECAST VALID 1800 UTC OCT 25. .WARNINGS. ...GALE WARNING... .COMPLEX LOW WITH FIRST CENTER 35N39W 1012 MB MOVING SE 10 KT AND SECOND CENTER JUST E OF THE AREA 40N34W 1008 MB MOVING SW 10 KT. BETWEEN 60 NM AND 180 NM NW QUADRANT OF SECOND CENTER WINDS 25 TO 45 KT. SEAS 3 TO 4 M. ELSEWHERE WITHIN 60 NM S...240 NM W AND 360 NM QUADRANTS OF MAIN LOW AND WITHIN 420 NM W AND 300 NM NW QUADRANTS OF SECOND LOW WINDS 20 TO 30 KT. SEAS TO 3.5 M. .24 HOUR FORECAST LOW 36N37W 1012 MB. WITHIN 240 NM SE...300 NM SW...360 NM NW AND 360 NM N QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M IN MIXED SWELL. .48 HOUR FORECAST LOW DISSIPATED. WITHIN AN AREA BOUNDED BY A LINE FROM 42N35W TO 32N35W TO 35N45W TO 42N35W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ...GALE WARNING... .FROM 60N TO 65N E OF GREENLAND AREA OF SW WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST NEW LOW 62N61W 999 MB. WITHIN 60 NM NE OF A LINE FROM 62N53W TO 61N50W TO W GREENLAND WINDS 25 TO 35 KT. 2.5 TO 3.5 M. ELSEWHERE FROM 55N TO 60N W OF 35W...N OF 60N W OF GREENLAND AND FROM 60N TO 64N E OF GREENLAND WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 64N55W 1008 MB. WITHIN AN AREA BOUNDED BY A LINE FROM 50N40W TO 50N49W TO 58N35W TO 52N35W TO 50N40W AND N OF 60N W OF GREENLAND WINDS 20 TO 30 KT. SEAS TO 3 M. .SYNOPSIS AND FORECAST. .WITHIN 180 NM NE AND E OF A LINE FROM 50N55W TO 44N57W TO 37N66W AREA OF S TO SW WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST WITHIN 240 NM E AND SE OF A LINE FROM 55N47W TO 49N52W TO 36N63W AREA OF S TO SW WINDS 20 TO 30 KT. SEAS 3.5 TO 4 M. .48 HOUR FORECAST WITHIN 360 NM S OF A LINE FROM 58N35W TO 50N50W SEAS 2.5 TO 3.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 51N TO 55N W OF 50W TO THE COAST OF LABRADOR AND W OF A LINE FROM 57N59W TO 59N61W TO THE COAST OF LABRADOR. .24 HOUR FORECAST DENSE FOG WITHIN 180 NM W AND NW OF A LINE FROM 46N53W TO 58N42W AND N OF 60N W OF GREENLAND. .48 HOUR FORECAST DENSE FOG WITHIN 120 NM W AND NW OF A LINE FROM 46N51W TO 55N40W AND FROM 62N TO 67N E OF 59W TO W GREENLAND. .FORECASTER FUTTERMAN. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 1800 UTC THU OCT 23. 24 HOUR FORECAST VALID 1800 UTC FRI OCT 24. 48 HOUR FORECAST VALID 1800 UTC SAT OCT 25. .WARNINGS. ...CARIBBEAN HURRICANE WARNING... .TROPICAL STORM MELISSA NEAR 15.6N 75.5W 1001 MB AT 2100 UTC OCT 23 MOVING NNW OR 345 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W SEMICIRCLE...100 NM NE QUADRANT AND 120 NM SE QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM N SEMICIRCLE...60 NM SE QUADRANT AND 30 NM SW QUADRANT WITH SEAS TO 5.5 M. ELSEWHERE WITHIN 17N72W TO 18N76W TO 17N78W TO 15N77W TO 13N74W TO 16N71W TO 17N72W WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M. REMAINDER OF AREA WITHIN 16N70W TO 19N73W TO 19N76W TO 15N79W TO 13N77W TO 13N72W TO 16N70W...INCLUDING BETWEEN CUBA AND JAMAICA...WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM MELISSA NEAR 16.0N 75.0W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM E SEMICIRCLE...30 NM SW QUADRANT AND 40 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM N SEMICIRCLE AND 60 NM S SEMICIRCLE WITH SEAS TO 6 M. ELSEWHERE WITHIN 18N73W TO 19N76W TO 16N77W TO 14N75W TO 14N73W TO 16N72W TO 18N73W...INCLUDING BETWEEN CUBA AND JAMAICA...WINDS 20 TO 33 KT. SEAS 3 TO 4.5 M. REMAINDEROF AREA WITHIN 17N71W TO 19N76W TO 17N78W TO 14N78W TO 13N74W TO15N72W TO 17N71W...INCLUDING BETWEEN CUBA AND JAMAICA...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL. .48 HOUR FORECAST HURRICANE MELISSA NEAR 16.8N 75.4W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NE QUADRANT...120 NM SE QUADRANT...50 NM SW QUADRANT...AND 80 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM N SEMICIRCLE...90 NM SE QUADRANT AND 60 NM SW QUADRANT WITH SEAS TO 9 M. ELSEWHERE WITHIN 18N72W TO 20N75W TO 20N77W TO 17N78W TO 14N74W TO 16N71W TO 18N72W...INCLUDING BETWEEN CUBA AND JAMAICA...WINDS 20 TO 33 KT. SEAS 3 TO 4.5 M. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .ATLC WITHIN 22N70W TO 22N71W TO 23N73W TO 22N75W TO 20N73W TO 20N70W TO 22N70W...INCLUDING ATLC EXPOSURES...E TO SE WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST WITHIN 22N70W TO 22N71W TO 23N73W TO 22N75W TO 20N73W TO 20N70W TO 22N70W...INCLUDING ATLANTIC EXPOSURES...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .27 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .ATLC AND GULF OF AMERICA 24 HOUR FORECAST WITHIN 27N79W TO 27N80W TO 25N80W TO 23N83W TO 23N81W TO 25N79W TO 27N79W...INCLUDING STRAITS OF FLORIDA...NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M...EXCEPT TO 2.5 M IN STRAITS OF FLORIDA. .48 HOUR FORECAST WITHIN 29N74W TO 29N80W TO 26N80W TO 25N84W TO 23N79W TO 25N73W TO 29N74W...INCLUDING THE STRAITS OF FLORIDA AND ATLC EXPOSURES...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M...EXCEPT 2.5 TO 3 M IN STRAITS OF FLORIDA. .ATLC WITHIN 31N39W TO 31N48W TO 30N47W TO 29N41W TO 31N39W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N SWELL. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST WITHIN 31N35W TO 31N48W TO 29N45W TO 28N42W TO 29N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N TO NE SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER. $$
ocean.weather.gov
October 24, 2025 at 12:07 AM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 221558 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1630 UTC WED OCT 22 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 1200 UTC OCT 22. 24 HOUR FORECAST VALID 1200 UTC OCT 23. 48 HOUR FORECAST VALID 1200 UTC OCT 24. .WARNINGS. ...GALE WARNING... .COMPLEX LOW WITH MAIN CENTER 40N39W 1007 MB MOVING S 10 KT AND SECOND CENTER E OF AREA NEAR 40N30W 1008 MB MOVING NW 10 KT. WITHIN 240 NM SW...300 NM NW AND 360 NM NE QUADRANT OF MAIN CENTER WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M. ELSEWHERE WITHIN 480 NM N AND 720 NM S SEMICIRCLES WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 36N38W 1010 MB AND SECOND CENTER W OF AREA NEAR 41N34W 1010 MB. WITHIN 360 NM NW AND 540 NM NE QUADRANTS OF MAIN CENTER WINDS 25 TO 40 KT. SEAS 3 TO 5 M. ELSEWHERE FROM 31N TO 46N E OF 47W WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW E OF AREA NEAR 36N34W 1012 MB. WITHIN 720 NM SW AND 540 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. ...GALE WARNING... .48 HOUR FORECAST LOW 59N64W 996 MB. BETWEEN 240 NM AND 420 NM NE QUADRANT WINDS 25 TO 35 KT. SEAS TO 3 M. ELSEWHERE WITHIN 480 NM NE AND 960 NM SE QUADRANTS WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .SYNOPSIS AND FORECAST. .LOW 65N61W 1004 MB MOVING SE 10 KT. WITHIN 360 NM S SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 3.5 M. .24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED. .LOW 59N45W 1008 MB MOVING SE 20 KT. WITHIN 180 NM W AND 360 NM E SEMICIRCLES WINDS 20 TO 30 KT. SEAS 2.5 M. .24 HOUR FORECAST LOW E OF AREA FROM 50N TO 60N E OF 40W WINDS TO 25 KT. SEAS 2.5 M. .48 HOUR FORECAST FROM 52N TO 62N E OF 45W WINDS TO 25 KT. SEAS TO 2.5 M. .FROM 50N TO 65N E OF 40W WINDS TO 25 KT. SEAS TO 3.5 M. .24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW E OF AREA ABOVE. .48 HOUR FORECAST LOW 43N57W 1012 MB. WITHIN 360 NM SE AND 720 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 55N E OF 42W. .24 HOUR FORECAST DENSE FOG FROM 50N TO 54N BETWEEN 50W AND 57W AND FROM 55N TO 61N BETWEEN 60W AND 64W. .48 HOUR FORECAST DENSE FOG FROM 48N TO 62N BETWEEN 46W AND 65W AND N OF 61N W OF 55W. .FORECASTER HOLLEY. OCEAN PREDICTION CENTER. NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 1200 UTC WED OCT 22. 24 HOUR FORECAST VALID 1200 UTC THU OCT 23. 48 HOUR FORECAST VALID 1200 UTC FRI OCT 24. .WARNINGS. ...CARIBBEAN TROPICAL STORM WARNING... .TROPICAL STORM MELISSA NEAR 14.4N 73.6W 1000 MB AT 1500 UTC OCT 22 MOVING WNW OR 300 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...90 NM SE QUADRANT...0 NM SW QUADRANT...AND 60 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM NE QUADRANT...60 NM SE QUADRANT...0 NM SW QUADRANT...AND 90 NM NW QUADRANT WITH SEAS TO 6 M. ELSEWHERE WITHIN 18N72W TO 17N77W TO 15N76W TO 13N73W TO 13N69W TO 15N69W TO 18N72W WINDS 20 TO 33 KT. SEAS 3 TO 4.5 M. REMAINDER OF AREA WITHIN 15N67W TO 18N71W TO 18N76W TO 17N79W TO 13N76W TO 13N68W TO 15N67W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM MELISSA NEAR 15.2N 74.3W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...90 NM SE QUADRANT...30 NM SW QUADRANT...AND 70 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM NE SEMICIRCLE AND 90 NM SW SEMICIRCLE WITH SEAS TO 6.5 M. ELSEWHERE WITHIN 18N71W TO 18N75W TO 17N78W TO 15N78W TO 14N75W TO 15N71W TO 18N71W WINDS 20 TO 33 KT. SEAS 3 TO 4.5 M. REMAINDER OF AREA WITHIN 18N71W TO 19N76W TO 17N80W TO 15N80W TO 14N74W TO 15N70W TO 18N71W...INCLUDING BETWEEN CUBA AND JAMAICA...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM MELISSA NEAR 16.0N 74.4W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE QUADRANT...90 NM SE QUADRANT...30 NM SW QUADRANT...AND 70 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM NE SEMICIRCLE AND 90 NM SW SEMICIRCLE WITH SEAS TO 7 M. ELSEWHERE WITHIN 18N72W TO 19N75W TO 17N77W TO 14N76W TO 14N74W TO 16N72W TO 18N72W...INCLUDING BETWEEN CUBA AND JAMAICA...WINDS 20 TO 33 KT. SEAS 3.5 TO 5.5 M. REMAINDER OF AREA WITHIN 17N71W TO 18N73W TO 19N77W TO 17N79W TO 15N78W TO 14N73W TO 17N71W...INCLUDING BETWEEN CUBA AND JAMAICA...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .ATLC WITHIN 31N41W TO 31N52W TO 30N51W TO 29N47W TO 30N43W TO 31N41W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N SWELL. .24 HOUR FORECAST WITHIN 31N38W TO 31N48W TO 30N47W TO 30N41W TO 31N38W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N SWELL. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. $$ .FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.
ocean.weather.gov
October 22, 2025 at 8:05 PM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 210936 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1030 UTC TUE OCT 21 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0600 UTC OCT 21. 24 HOUR FORECAST VALID 0600 UTC OCT 22. 48 HOUR FORECAST VALID 0600 UTC OCT 23. .WARNINGS. ...STORM WARNING... .03 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER INLAND NEAR 66N70W 993 MB. BETWEEN A LINE FROM 67N57W TO 63N55W TO 61N50W AND THE W COAST OF GREENLAND WINDS 30 TO 40 KT. SEAS TO 3 M. .12 HOUR FORECAST LOW 65N62W 992 MB. BETWEEN A LINE FROM 65N55W TO 60N51W AND THE W COAST OF GREENLAND WINDS 40 TO 50 KT. SEAS TO 3 TO 5 M. .24 HOUR FORECAST LOW NEAR 67N58W 997 MB. BETWEEN A LINE FROM 67N57W TO 60N50W AND THE W COAST OF GREENLAND...AND WITHIN 60 NM EITHER SIDE OF A LINE FROM 65N65W TO 63N55W...WINDS 25 TO 40 KT. SEAS TO 4.5 M. .48 HOUR FORECAST LOW MOVED WELL N OF AREA. CONDITIONS DIMINISHED. ...GALE WARNING... .LOW 43N36W 995 MB MOVING NE 25 KT. WITHIN 300 NM S QUADRANT...AND BETWEEN 90 NM AND 300 NM NW AND N QUADRANTS...WINDS 25 TO 35 KT. SEAS 3.5 TO 5.5 M. ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM 37N35W TO 37N52W TO 49N40W TO 49N35W TO 37N35W WINDS 20 TO 30 KT. SEAS TO 4.5 M. .24 HOUR FORECAST ORIGINAL LOW MOVED WELL E OF AREA. NEW LOW FORMED NEAR 41N38W 1002 MB. WITHIN 180 NM NW OF A LINE FROM 38N41W TO 44N35W WINDS 25 TO 40 KT. SEAS 3 TO 5 M. ELSEWHERE WITHIN 360 NM NW AND N SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 4.5 M. .48 HOUR FORECAST LOW 38N36W 1007 MB. BETWEEN 120 NM AND 360 NM NW AND N QUADRANTS WINDS 25 TO 40 KT. SEAS 3.5 TO 5.5 M. ELSEWHERE FROM 36N TO 43N BETWEEN 45W AND 35W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M. .SYNOPSIS AND FORECAST. .24 HOUR FORECAST LOW WELL E OF AREA. FROM 54N TO 61N BETWEEN 37W AND 35W WINDS LESS THAN 25 KT. SEAS 3 TO 5 M IN N TO NE SWELL. .48 HOUR FORECAST CONDITIONS MOVED E OF AREA. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 62N TO 66N W OF 59W...AND FROM 48N TO 51N BETWEEN 54W AND 50W. .24 HOUR FORECAST DENSE FOG WITHIN 60 NM OF THE W COAST OF GREENLAND N OF 62N...AND FROM 51N TO 55N BETWEEN 56W AND 50W. .48 HOUR FORECAST DENSE FOG WITHIN 120 NM OF THE LABRADOR COAST FROM 51N TO 60N. .FORECASTER CONNELLY. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 0600 UTC TUE OCT 21. 24 HOUR FORECAST VALID 0600 UTC WED OCT 22. 48 HOUR FORECAST VALID 0600 UTC THU OCT 23. .WARNINGS. ...CARIBBEAN GALE WARNING... .CARIBBEAN WITHIN 15N68W TO 15N69W TO 15N70W TO 14N70W TO 13N69W TO 14N68W TO 15N68W SE WINDS 30 TO 40 KT. SEAS 2.5 TO 4.0 M. ELSEWHERE WITHIN 16N66W TO 18N67W TO 17N72W TO 15N72W TO 13N71W TO 13N67W TO 16N66W E TO SE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 14.5N73W 1007 MB. WITHIN 15N71W TO 16N72W TO 15N73W TO 14N73W TO 14N72W TO 15N71W WINDS 30 TO 45 KT. SEAS 4.0 TO 5.5 M. ELSEWHERE WITHIN 17N69W TO 18N72W TO 17N76W TO 15N76W TO 14N74W TO 14N69W TO 17N69W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 16N74W 1005 MB. WITHIN 17N73W TO 18N73W TO 17N74W TO 16N75W TO 15N74W TO 15N73W TO 17N73W WINDS 30 TO 45 KT. SEAS 5.5 TO 6.5 M. ELSEWHERE WITHIN 17N70W TO 19N73W TO 19N76W TO 15N78W TO 14N75W TO 15N71W TO 17N70W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M. .SYNOPSIS AND FORECAST. .ATLC WITHIN 31N35W TO 31N52W TO 30N49W TO 28N39W TO 28N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN W TO NW SWELL. .24 HOUR FORECAST WITHIN 31N35W TO 31N53W TO 30N52W TO 29N46W TO 29N42W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .48 HOUR FORECAST WITHIN 31N36W TO 31N48W TO 30N44W TO 30N38W TO 31N36W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL. .ATLC WITHIN 22N47W TO 19N56W TO 20N65W TO 08N55W TO 14N51W TO 16N46W TO 22N47W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER AL. NATIONAL HURRICANE CENTER. $$
ocean.weather.gov
October 21, 2025 at 4:07 PM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 200934 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1030 UTC MON OCT 20 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0600 UTC OCT 20. 24 HOUR FORECAST VALID 0600 UTC OCT 21. 48 HOUR FORECAST VALID 0600 UTC OCT 22. .WARNINGS. ...STORM WARNING... .24 HOUR FORECAST LOW INLAND NEAR 65N72W 990 MB. BETWEEN A LINE FROM 65N63W TO 61N57W AND THE W COAST OF GREENLAND WINDS 20 TO 30 KT. SEAS TO 2.5 M. .27 HOUR FORECAST LOW INLAND NEAR 67N72W 991 MB. BETWEEN A LINE FROM 67N60W TO 59N50W AND THE W COAST OF GREENLAND WINDS 25 TO 40 KT. SEAS TO 3 M. .42 HOUR FORECAST ORIGINAL LOW MOVED WELL N OF AREA AND NEW LOW FORMED NEAR 66N60W 995 MB. BETWEEN A LINE FROM 67N58W TO 60N51W AND THE W COAST OF GREENLAND WINDS 35 TO 50 KT. SEAS 3 TO 6 M. .48 HOUR FORECAST LOW MOVED WELL N OF AREA. BETWEEN A LINE FROM 67N57W TO 61N50W AND THE W COAST OF GREENLAND...AND WITHIN 60 NM EITHER SIDE OF A LINE FROM 65N65W TO 63N56W...WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M. ...GALE WARNING... .LOW 43N46W 992 MB MOVING E 15 KT. WITHIN 360 NM NW AND W QUADRANTS...AND 120 NM S QUADRANT...WINDS 25 TO 35 KT. SEAS 3.5 TO 5.5 M. ELSEWHERE FROM 31N TO 48N BETWEEN 56W AND 35W WINDS 20 TO 30 KT. SEAS 2.5 TO 6 M...HIGHEST NEAR 39N41W. .24 HOUR FORECAST LOW 44N36W 995 MB. WITHIN 240 NM NW OF A LINE FROM 41N44W TO 47N34W...AND BETWEEN 60 NM AND 240 NM S QUADRANT OF LOW...WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM 37N54W TO 51N40W TO 48N35W TO 37N35W TO 37N54W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M. .48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER E OF AREA 43N31W 1002 MB. WITHIN 240 NM NW OF A LINE FROM 38N42W TO 43N34W WINDS 25 TO 35 KT. SEAS 3.5 TO 5 M. ...GALE WARNING... .W OF A LINE FROM 33N74W TO 42N71W AREA OF S TO SW WINDS 25 TO 35 KT. SEAS TO 3 M. .24 HOUR FORECAST NEW LOW INLAND 46N73W 1001 MB. FROM 37N TO 45N BETWEEN 72W AND 61W WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED. .SYNOPSIS AND FORECAST. .48 HOUR FORECAST LOW WELL E OF AREA 54N23W 993 MB. FROM 54N TO 60N BETWEEN 38W AND 35W WINDS TO 25 KT. SEAS 3 TO 5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 59N TO 65N W OF 60W. .24 HOUR FORECAST DENSE FOG FROM 62N TO 65N W OF 58W. .48 HOUR FORECAST DENSE FOG WITHIN 60 NM EITHER SIDE OF A LINE FROM 51N56W TO 55N51W...AND WITHIN 60 NM OF THE W COAST OF GREENLAND N OF 60N. .FORECASTER CONNELLY. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 0600 UTC MON OCT 20. 24 HOUR FORECAST VALID 0600 UTC TUE OCT 21. 48 HOUR FORECAST VALID 0600 UTC WED OCT 22. .WARNINGS. ...CARIBBEAN GALE WARNING... .CARIBBEAN WITHIN 15N64W TO 15N65W TO 13N64W TO 13N63W TO 14N63W TO 15N64W SE WINDS 20 TO 30 KT WITH FREQUENT GUSTS TO GALE FORCE. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 16N62W TO 17N64W TO 17N67W TO 13N64W TO 13N62W TO 16N62W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .24 HOUR FORECAST WITHIN 18N67W TO 18N69W TO 17N72W TO 14N71W TO 14N68W TO 15N66W TO 18N67W E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. .48 HOUR FORECAST LOW PRES NEAR 15N73W 1008 MB. WITHIN 16N68W TO 18N69W TO 17N75W TO 15N75W TO 13N70W TO 13N68W TO 16N68W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. .SYNOPSIS AND FORECAST. .ATLC WITHIN 31N36W TO 31N64W TO 24N74W TO 13N55W TO 21N41W TO 31N36W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NW TO N SWELL. .24 HOUR FORECAST WITHIN 31N35W TO 31N51W TO 30N49W TO 28N42W TO 28N39W TO 29N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN W TO NW SWELL. WITHIN 21N47W TO 19N56W TO 20N65W TO 09N55W TO 14N51W TO 15N47W TO 21N47W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .48 HOUR FORECAST WITHIN 31N38W TO 31N54W TO 28N51W TO 28N46W TO 31N38W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .ATLC WITHIN 10N48W TO 12N51W TO 11N53W TO 08N53W TO 07N51W TO 08N48W TO 10N48W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL. .24 HOUR FORECAST CONDITIONS MERGED. .CARIBBEAN WITHIN 14N73W TO 13N76W TO 12N77W TO 10N76W TO 11N74W TO 12N72W TO 14N73W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER AL. NATIONAL HURRICANE CENTER. $$
ocean.weather.gov
October 20, 2025 at 2:02 PM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 190946 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1030 UTC SUN OCT 19 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0600 UTC OCT 19. 24 HOUR FORECAST VALID 0600 UTC OCT 20. 48 HOUR FORECAST VALID 0600 UTC OCT 21. .WARNINGS. ...GALE WARNING... .LOW 42N51W 987 MB MOVING NE 15 KT. WITHIN 600 NM S QUADRANT...AND WITHIN 120 NM N AND NW OF A FRONT FROM 43N56W TO 45N52W TO 46N46W...WINDS 25 TO 40 KT. SEAS 3 TO 7 M. ELSEWHERE FROM 31N TO 44N BETWEEN 67W AND 42W WINDS 20 TO 30 KT. SEAS 2.5 TO 6 M. .24 HOUR FORECAST LOW 44N43W 993 MB. WITHIN 120 NM EITHER SIDE OF A LINE FROM 41N55W TO 48N46W...AND FROM 35N TO 43N BETWEEN 48W AND 38W...WINDS 25 TO 35 KT. SEAS 3.5 TO 5.5 M. ELSEWHERE FROM 31N TO 47N BETWEEN 58W AND 35W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M. .48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER E OF AREA 45N33W 992 MB. WITHIN 480 NM SW AND W QUADRANTS WINDS 25 TO 40 KT. SEAS 3.5 TO 5 M. ELSEWHERE FROM 37N TO 49N BETWEEN 48W AND 35W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M. ...GALE WARNING... .24 HOUR FORECAST W OF A LINE FROM 31N76W TO 36N70W TO 42N70W AREA OF S TO SW WINDS 20 TO 30 KT. SEAS TO 3 M. .30 HOUR FORECAST NEW INLAND LOW NEAR 43N75W 1001 MB. W OF A LINE FROM 31N74W TO 38N68W TO 44N68W WINDS 25 TO 35 KT. SEAS TO 3.5 M. .48 HOUR FORECAST LOW INLAND 46N73W 1003 MB. N OF 37N W OF 63W WINDS 20 TO 30 KT. SEAS TO 3.5 M. .SYNOPSIS AND FORECAST. .48 HOUR FORECAST NEW LOW WELL E OF AREA 62N25W 996 MB. FROM 61N TO 65N BETWEEN 38W AND 35W WINDS 20 TO 30 KT. SEAS TO 4 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM NW AND AND NE OF A LINE FROM 41N52W TO 45N45W TO 42N38W...AND WITHIN 180 NM OF THE LABRADOR COAST FROM 52N TO 63N. .24 HOUR FORECAST DENSE FOG WITHIN 60 NM EITHER SIDE OF A LINE FROM 43N48W TO 47N42W...AND FROM 61N TO 65N W OF 62W. .48 HOUR FORECAST DENSE FOG FROM 62N TO 66N W OF 58W. .FORECASTER CONNELLY. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 0600 UTC SUN OCT 19. 24 HOUR FORECAST VALID 0600 UTC MON OCT 20. 48 HOUR FORECAST VALID 0600 UTC TUE OCT 21. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC WITHIN 16N51W TO 17N53W TO 17N57W TO 15N59W TO 12N58W TO 12N53W TO 16N51W E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. .24 HOUR FORECAST WITHIN 17N62W TO 18N65W TO 16N65W TO 14N64W TO 14N62W TO 15N61W TO 17N62W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .48 HOUR FORECAST WITHIN 17N69W TO 18N71W TO 18N73W TO 16N73W TO 15N71W TO 15N70W TO 17N69W E WINDS 20 TO 25 KT. SEAS 2.5 M. .ATLC WITHIN 31N43W TO 31N46W TO 30N48W TO 29N48W TO 28N46W TO 29N44W TO 31N43W SW WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M. WITHIN 31N46W TO 31N57W TO 30N55W TO 29N51W TO 30N47W TO 31N46W SW TO W WINDS 20 TO 25 KT. SEAS 4.0 TO 5.5 M. ELSEWHERE WITHIN 31N40W TO 30N78W TO 21N69W TO 27N46W TO 31N40W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN N SWELL. .24 HOUR FORECAST WITHIN 31N37W TO 31N65W TO 21N66W TO 14N55W TO 24N42W TO 31N37W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .48 HOUR FORECAST WITHIN 31N35W TO 31N53W TO 27N46W TO 27N36W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL. WITHIN 19N49W TO 19N55W TO 20N63W TO 10N57W TO 11N54W TO 14N55W TO 19N49W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .ATLC 06 HOUR FORECAST WITHIN 12N47W TO 14N48W TO 12N50W TO 10N50W TO 09N49W TO 09N48W TO 12N47W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. .24 HOUR FORECAST WITHIN 12N50W TO 12N51W TO 10N52W TO 09N52W TO 09N50W TO 10N49W TO 12N50W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL. .48 HOUR FORECAST CONDITIONS MERGED. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER AL. NATIONAL HURRICANE CENTER. $$
ocean.weather.gov
October 19, 2025 at 3:38 PM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 180411 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC SAT OCT 18 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE CONTINUITY WHERE APPROPRIATE. SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0000 UTC OCT 18. 24 HOUR FORECAST VALID 0000 UTC OCT 19. 48 HOUR FORECAST VALID 0000 UTC OCT 20. .WARNINGS. ...STORM WARNING... .COMPLEX LOW WITH MAIN LOW 36N61W 984 MB MOVING NE 20 KT. WITHIN 240 NM SW AND 300 NM NW QUADRANT OF MAIN LOW WINDS 35 TO 50 KT. SEAS 5.5 TO 9 M. ELSEWHERE FROM 31N TO 45N BETWEEN 52W AND 72W WINDS 25 TO 40 KT. SEAS 2.5 TO 7 M. .24 HOUR FORECAST LOW 40N53W 983 MB. FROM 31N TO 48N BETWEEN 44W AND 65W WINDS 25 TO 40 KT. SEAS 3 TO 7 M. .48 HOUR FORECAST LOW 42N46W 986 MB. FROM 35N TO 49N BETWEEN 57W AND 40W WINDS 25 TO 35 KT. SEAS 3 TO 7 M...HIGHEST S QUADRANT. ...GALE WARNING... .12 HOUR FORECAST N OF 63N E OF GREENLAND WINDS 20 TO 30 KT. SEAS TO 2.5 M. .18 HOUR FORECAST NEW LOW 62N38W 1013 MB. WITHIN 120 NM W AND NW QUADRANTS WINDS 25 TO 35 KT. SEAS TO 3.5 M. .24 HOUR FORECAST LOW 61N37W 1013 MB. WITHIN 180 NM NW QUADRANT WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED. .SYNOPSIS AND FORECAST. .FROM 31N TO 38N E OF 50W AREA OF SW WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 40N53W DESCRIBED ABOVE. .LOW E OF THE AREA 54N30W 989 MB MOVING SE 15 KT. WITHIN 360 NM NW QUADRANT WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. .24 HOUR FORECAST LOW AND CONDITIONS MOVED E OF AREA. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM W OF A LINE FROM 50N50W TO 54N54W TO 57N59W. .24 HOUR FORECAST DENSE FOG FROM 43N TO 47N BETWEEN 45W AND 52W...AND W OF A LINE FROM 58N61W TO 61N62W TO 62N66W. .48 HOUR FORECAST DENSE FOG FROM 41N TO 48N BETWEEN 44W AND 50W AND W OF A LINE FROM 63N63W TO 66N61W. .FORECASTER ROWLAND. OCEAN PREDICTION CENTER. NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 0000 UTC SAT OCT 18. 24 HOUR FORECAST VALID 0000 UTC SUN OCT 19. 48 HOUR FORECAST VALID 0000 UTC MON OCT 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC WITHIN 15N41W TO 16N43W TO 15N46W TO 12N46W TO 10N43W TO 12N40W TO 15N41W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .24 HOUR FORECAST WITHIN 16N48W TO 17N50W TO 15N54W TO 13N54W TO 12N51W TO 13N49W TO 16N48W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .48 HOUR FORECAST WITHIN 19N51W TO 19N56W TO 17N61W TO 15N61W TO 12N58W TO 14N55W TO 19N51W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .ATLC WITHIN 31N41W TO 31N54W TO 23N57W TO 24N48W TO 31N41W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. WITHIN 31N55W TO 31N71W TO 28N67W TO 27N62W TO 28N59W TO 31N55W W TO NW WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M IN NW SWELL. ELSEWHERE WITHIN 31N40W TO 28N62W TO 31N77W TO 27N77W TO 26N62W TO 21N57W TO 31N40W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NW TO N SWELL. .24 HOUR FORECAST WITHIN 31N42W TO 31N48W TO 27N50W TO 27N47W TO 29N43W TO 31N42W SW WINDS 20 TO 25 KT. SEAS 3.5 TO 5.0 M. WITHIN 31N47W TO 31N60W TO 29N57W TO 29N52W TO 30N48W TO 31N47W SW TO W WINDS 20 TO 25 KT. SEAS 4.0 TO 5.5 M IN W TO NW SWELL. ELSEWHERE WITHIN 31N43W TO 31N70W TO 26N66W TO 25N61W TO 29N47W TO 31N43W WINDS 20 KT OR LESS. SEAS 4.0 TO 5.5 M IN NW TO N SWELL. REMAINDER AREA WITHIN 31N38W TO 30N54W TO 31N77W TO 23N71W TO 22N65W TO 25N48W TO 31N38W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN NW TO N SWELL. .48 HOUR FORECAST WITHIN 31N39W TO 31N70W TO 24N72W TO 19N62W TO 22N47W TO 31N39W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .ATLC 36 HOUR FORECAST WITHIN 15N41W TO 14N46W TO 12N47W TO 08N46W TO 08N43W TO 09N41W TO 15N41W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. .48 HOUR FORECAST WITHIN 12N44W TO 14N48W TO 14N49W TO 12N50W TO 10N49W TO 10N47W TO 12N44W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. $$ .FORECASTER AL. NATIONAL HURRICANE CENTER.
ocean.weather.gov
October 18, 2025 at 8:01 AM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 162134 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 2230 UTC THU OCT 16 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE CONTINUITY WHERE APPROPRIATE. SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 1800 UTC OCT 16. 24 HOUR FORECAST VALID 1800 UTC OCT 17. 48 HOUR FORECAST VALID 1800 UTC OCT 18. .WARNINGS. ...STORM WARNING... .LOW 39N60W 994 MB MOVING NW 10 KT THEN TURNING SW IN 12 HOURS. FROM 31N TO 45N BETWEEN 64W AND 77W WINDS 20 TO 30 KT. SEAS TO 3 M. .06 HOUR FORECAST LOW 39N60W 993 MB. S OF 45N BETWEEN 65W AND 76W WINDS 25 TO 35 KT. SEAS TO 4 M. .18 HOUR FORECAST LOW 40N64W 987 MB. WITHIN 180 NM NW SEMICIRCLE WINDS 40 TO 50 KT. SEAS 4 TO 8 M. .24 HOUR FORECAST LOW 37N64W 984 MB. WITHIN 300 NM NW QUADRANT WINDS 35 TO 50 KT. SEAS 5 TO 9 M. ELSEWHERE WITHIN 480 NM N SEMICIRCLE AND 600 NM SW QUADRANT WINDS 25 TO 35 KT. SEAS 3 TO 6 M. ALSO S OF 45N BETWEEN 55W AND 76W WINDS TO 25 KT. SEAS TO 4 M. .48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 39N56W 985 MB. S OF 45N BETWEEN 42W AND 65W WINDS 25 TO 40 KT. SEAS 3 TO 7 M...HIGHEST W OF LOW CENTER. ELSEWHERE WITHIN 660 NM N AND 840 NM S SEMICIRCLES WINDS TO 25 KT. SEAS TO 4 M. ...GALE WARNING... .LOW 37N53W 989 MB MOVING NE 25 KT. S OF 40N BETWEEN 42W AND 56W WINDS 25 TO 35 KT. SEAS TO 4 M. .24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW E OF AREA. E OF A LINE FROM 43N35W TO 31N52W WINDS 25 TO 35 KT. SEAS TO 4 M. .48 HOUR FORECAST LOW E OF AREA AND REMAINING CONDITIONS ABSORBED BY LOW 39N56W DESCRIBED ABOVE. .SYNOPSIS AND FORECAST. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 46N TO 58N BETWEEN 35W AND 57W. .24 HOUR FORECAST DENSE FOG FROM 48N TO 58N BETWEEN 48W AND 60W. .48 HOUR FORECAST DENSE FOG FROM 48N TO 58N BETWEEN 52W AND 61W. .FORECASTER KREKELER. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 1800 UTC THU OCT 16. 24 HOUR FORECAST VALID 1800 UTC FRI OCT 17. 48 HOUR FORECAST VALID 1800 UTC SAT OCT 18. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC N OF 25N E OF 37W SW WINDS 20 TO 25 KT. SEAS 3 TO 4 M. ELSEWHERE N OF 24N E OF 40W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL. .24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .ATLC COLD FRONT FROM 31N56W TO 20N70W. N OF 26N W OF FRONT TO 77W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N TO NE SWELL. N OF 23N E OF FRONT TO A LINE FROM 31N45W TO 23N50W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M. FROM 19N TO 23N BETWEEN 55W AND 60W SW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. ELSEWHERE N OF 24N BETWEEN 40W AND 55W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED N AND SE SWELL. .24 HOUR FORECAST REINFORCING COLD FRONT FROM 31N56W TO 23N80W. N OF 27N W OF FRONT TO 72W W TO NW WINDS 20 TO 30 KT. SEAS 3 TO 4 M. ELSEWHERE N OF 27N W OF FRONT TO 77W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N TO NE SWELL. N OF 22N E OF FRONT TO A LINE FROM 31N40W TO 22N55W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M...EXCEPT 3 TO 4 M N OF 26N BETWEEN 48W AND 53W. .48 HOUR FORECAST COLD FRONT FROM 31N51W TO 24N60W TO 22N77W. N OF 27N W OF FRONT AND N OF A LINE FROM 27N58W TO 31N67W W TO NW WINDS 20 TO 30 KT. SEAS 3 TO 5.5 M IN NW TO N SWELL. ELSEWHERE N OF 25N W OF FRONT TO 74W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW TO N SWELL...EXCEPT 3 TO 4 M N OF 28N BETWEEN 60W AND 70W. N OF 25N E OF FRONT TO A LINE FROM 31N43W TO 25N50W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M...EXCEPT 3 TO 4 M N OF 28N E OF FRONT TO A LINE FROM 31N46W TO 28N50W. ELSEWHERE N OF 22N E OF FRONT TO A LINE FROM 31N40W TO 22N52W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN SW TO W SWELL. .ATLC 30 HOUR FORECAST FROM 11N TO 14N BETWEEN 42 W AND 48W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 M. .42 HOUR FORECAST FROM 11N TO 15N BETWEEN 45W AND 54W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN N SWELL. .48 HOUR FORECAST FROM 10N TO 15N 45W AND 50W E TO SE WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M. FROM 11N TO 13N BETWEEN 50W AND 55W E WINDS 20 TO 25 KT. SEAS 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER GR. NATIONAL HURRICANE CENTER. $$
ocean.weather.gov
October 17, 2025 at 4:01 AM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 152140 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 2230 UTC WED OCT 15 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE CONTINUITY WHERE APPROPRIATE. SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 1800 UTC OCT 15. 24 HOUR FORECAST VALID 1800 UTC OCT 16. 48 HOUR FORECAST VALID 1800 UTC OCT 17. .WARNINGS. ...STORM WARNING... .24 HOUR FORECAST NEW LOW 43N64W 999 MB. N OF 31N W OF 63W WINDS 25 TO 35 KT. SEAS TO 4 M. .48 HOUR FORECAST LOW ABSORBED BY NEW LOW 38N64W 984 MB. WITHIN 240 NM W SEMICIRCLE WINDS 40 TO 55 KT. SEAS 5 TO 8 M. ELSEWHERE S OF 46N BETWEEN 48W AND 75W WINDS 25 TO 40 KT. SEAS 2.5 TO 6 M...HIGHEST WITHIN 300 NM W AND NW QUADRANTS. ALSO WITHIN THE GULF OF SAINT LAWRENCE WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M. ...GALE WARNING... .COMPLEX LOW WITH MAIN CENTER 34N62W 994 MB MOVING NE 15 KT. S OF 39N BETWEEN 53W AND 77W WINDS 25 TO 35 KT. SEAS TO 4 M. .24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 37N54W 989 MB AND SECOND NEW CENTER 39N48W 991 MB. S OF 42N BETWEEN 39W AND 57W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. .48 HOUR FORECAST LOW 43N38W 999 MB WITH FIRST CENTER ABSORBED BY LOW 38N64W DESCRIBED ABOVE. S OF 44N E OF 48W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. ...GALE WARNING... .LOW 43N36W 991 MB MOVING NE 20 KT. WITHIN 420 NM S QUADRANT WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE WITHIN 540 NM SW SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 4 M. ALSO FROM 33N TO 44N E OF 51W WINDS LESS THAN 25 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW MOVED JUST E OF AREA 49N31W 990 MB. WITHIN 360 NM W QUADRANT AND FROM 51N TO 60N E OF 49W WINDS 20 TO 30 KT. SEAS TO 4 M. .48 HOUR FORECAST LOW E OF AREA NEAR 53N28W 981 MB. WITHIN 660 NM NW QUADRANT WINDS TO 25 KT. SEAS TO 3.5 M. ...GALE WARNING... .COMPLEX LOW WITH FIRST CENTER 33N32W 1003 MB MOVING NE 25 KT AND SECOND CENTER 32N43W 1001 MB MOVING NE 25 KT. S OF 33N E OF 45W WINDS 25 TO 35 KT. SEAS TO 4 M. .24 HOUR FORECAST FIRST CENTER MOVED WELL E OF AREA AND SECOND CENTER DISSIPATED. S OF 37N E OF 39W WINDS LESS THAN 25 KT. SEAS TO 3.5 M. .36 HOUR FORECAST LOW AND CONDITIONS DIMINISHED. ...GALE WARNING... .LOW 48N41W 993 MB MOVING N 05 KT. WITHIN 540 NM NE QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M. ELSEWHERE WITHIN 720 NM N AND 420 NM W QUADRANTS WINDS 20 TO 30 KT. SEAS TO 4 M. .24 HOUR FORECAST LOW 48N46W 999 MB. CONDITIONS DIMINISHED. ...GALE WARNING... .N OF 56N BETWEEN 51W AND 62W AREA OF S TO SE WINDS 25 TO 35 KT. SEAS TO 3.5 M. .24 HOUR FORECAST WITHIN 120 NM OF W GREENLAND COAST N OF 63N AREA OF S WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST CONDITIONS DIMINISHED. .SYNOPSIS AND FORECAST. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM NW OF A LINE FROM 54N48W TO 58N41W TO 59N35W. .24 HOUR FORECAST DENSE FOG FROM 50N TO 58N E OF 49W...WITHIN 240 NM SW OF A LINE FROM 47N46W TO 56N56W...AND FROM 60N TO 66N BETWEEN 53W AND 56W. .48 HOUR FORECAST DENSE FOG FROM 49N TO 58N BETWEEN 41W AND 59W AND WITHIN 60 NM OF 63N52W. .FORECASTER KREKELER. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 1800 UTC WED OCT 15. 24 HOUR FORECAST VALID 1800 UTC THU OCT 16. 48 HOUR FORECAST VALID 1800 UTC FRI OCT 17. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .REMNANTS OF LORENZO NEAR 23.1N 42.5W 1006 MB AT 2100 UTC OCT 15 MOVING NE OR 035 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS TO 4 M WITHIN 45 NM NE QUADRANT AND 60 NM SE QUADRANT. ELSEWHERE WITHIN 90 NM E SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M. REMAINDER OF THE AREA FROM 20N TO 24N BETWEEN 41W AND 46W WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED SWELL. .12 HOUR FORECAST...DISSIPATED. .ATLC TROUGH FROM 31N46W TO 25N49W. N OF 25N E OF TROUGH TO 35W SW WINDS 20 TO 30 KT...WITH HIGHER GUSTS. SEAS 2.5 TO 3.0 M...EXCEPT 3 TO 4 M N OF 28N BETWEEN 41W AND 45W. ELSEWHERE N OF 24N E OF 50W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL. .24 HOUR FORECAST TROUGH DISSIPATED. N OF 24N E OF 40W WINDS 20 KT OR LESS. SEAS 2.5N TO 3 M IN NW SWELL. .48 HOUR FORECAST CONDITIONS MERGED WITH COLD FRONT BELOW. .ATLC COLD FRONT FROM 31N60W TO 23N80W. N OF 28N W OF FRONT TO 72W W TO NW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE N OF 27N W OF FRONT TO 78W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N SWELL. N OF 27N E OF FRONT TO 55W SW WINDS 20 TO 30 KT...WITH HIGHER GUSTS. SEAS 2.5 TO 3 M. .24 HOUR FORECAST COLD FRONT FROM 31N58W TO 22N75W. REINFORCING FRONT FROM 31N68W TO 27N80W. N OF REINFORCING FRONT NW TO N WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. ELSEWHERE N OF 27N W OF MAIN FRONT TO 77W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW TO N SWELL. N OF 22N E OF MAIN FRONT TO A LINE FROM 31N45W TO 22N51W SW WINDS 20 TO 30 KT...WITH HIGHER GUTS. SEAS 2.5 TO 3 M... EXCEPT 3 TO 4 M N OF 28N BETWEEN 52W AND 56W. .48 HOUR FORECAST COLD FRONT FROM 31N58W TO 23N80W. N OF 26N W OF FRONT TO 73W W TO NW WINDS 20 TO 30 KT...WITH HIGHER GUSTS. SEAS 2.5 TO 3 M...EXCEPT 3 TO 4 M BETWEEN 64W AND 68W. ELSEWHERE N OF 26N W OF FRONT TO 75W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N TO NE SWELL. N OF 21N E OF FRONT TO A LINE FROM 31N41W TO 21N55W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M...EXCEPT 3 TO 4 M N OF 26N BETWEEN 47W AND 52W. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER GR. NATIONAL HURRICANE CENTER. $$
ocean.weather.gov
October 16, 2025 at 2:01 AM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 142140 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 2230 UTC TUE OCT 14 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE CONTINUITY WHERE APPROPRIATE. SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 1800 UTC OCT 14. 24 HOUR FORECAST VALID 1800 UTC OCT 15. 48 HOUR FORECAST VALID 1800 UTC OCT 16. .WARNINGS. ...GALE WARNING... .COMPLEX LOW WITH FIRST CENTER 37N67W 1004 MB MOVING SE 10 KT AND SECOND CENTER 35N70W 1004 MB MOVING E 15 KT. BETWEEN 240 NM AND 420 NM NW...AND WITHIN 360 NM N QUADRANTS OF THE FIRST CENTER WINDS 25 TO 35 KT. SEAS TO 4 M. ELSEWHERE FROM 32N TO 40N BETWEEN 63W AND 76W WINDS 20 TO 30 KT. SEAS TO 4 M. .24 HOUR FORECAST COMBINED LOW 36N62W 992 MB. FROM 32N TO 39N BETWEEN 59W AND 67W WINDS 25 TO 40 KT. SEAS 3 TO 5 M. ELSEWHERE FROM 31N TO 39N BETWEEN 54W AND 71W WINDS 20 TO 30 KT. SEAS TO 4 M. .48 HOUR FORECAST LOW 38N52W 988 MB. FROM 31N TO 42N BETWEEN 42W AND 59W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M. ...GALE WARNING... .LOW 47N44W 990 MB MOVING SE 15 KT. WITHIN 240 NM W SEMICIRCLE WINDS 25 TO 35 KT. SEAS 3.5 TO 5 M. ELSEWHERE FROM 37N TO 53N BETWEEN 39W AND 52W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M. .24 HOUR FORECAST LOW 44N38W 989 MB. FROM 37N TO 45N BETWEEN 35W AND 45W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M. .48 HOUR FORECAST LOW E OF AREA 50N29W 991 MB. FROM 54N TO 60N BETWEEN 35W AND 49W WINDS 25 TO 35 KT. SEAS TO 4 M. ...GALE WARNING... .LOW 31N45W 1004 MB MOVING NE 25 KT. FROM 31N TO 32N BETWEEN 43W AND 48W WINDS 20 TO 30 KT. SEAS TO 3 M. .12 HOUR FORECAST LOW 32N40W 1000 MB. WITHIN 90 NM OF LOW CENTER WINDS 25 TO 35 KT. SEAS TO 4 M. .24 HOUR FORECAST LOW E OF AREA 34N33W 997 MB. E OF A LINE FROM 33N35W TO 31N43W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. .48 HOUR FORECAST LOW AND CONDITIONS MOVED E OF AREA. ...GALE WARNING... .LOW 35N61W 1007 MB MOVING E 20 KT. WITHIN 240 NM N OF A FRONT EXTENDING FROM 31N51W TO THE LOW TO 36N63W WINDS 25 TO 35 KT. SEAS TO 4 M. .24 HOUR FORECAST LOW 34N50W 998 MB. FROM 32N TO 36N BETWEEN 47W AND 54W WINDS 20 TO 30 KT. SEAS TO 3.5 M. .48 HOUR FORECAST LOW 38N40W 999 MB. FROM 35N TO 39N BETWEEN 37W AND 42W WINDS 25 TO 35 KT. SEAS TO 3.5 M. ...GALE WARNING... .LOW E OF AREA 47N33W 998 MB MOVING NW 15 KT. FROM 49N TO 54N BETWEEN 35W AND 39W WINDS 20 TO 30 KT. SEAS TO 3 M. .06 HOUR FORECAST LOW 49N36W 998 MB. FROM 50N TO 55N BETWEEN 35W AND 42W WINDS 25 TO 35 KT. SEAS TO 4 M. .24 HOUR FORECAST LOW 50N41W 995 MB. FROM 50N TO 57N BETWEEN 35W AND 49W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M. .48 HOUR FORECAST LOW 49N46W 999 MB. FROM 48N TO 54N BETWEEN 35W AND 50W WINDS LESS THAN 25 KT. SEAS TO 3 M. ...GALE WARNING... .12 HOUR FORECAST LOW INLAND 61N69W 1002 MB. N OF 55N BETWEEN 53W AND 61W WINDS 25 TO 35 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW INLAND 63N68W 1003 MB. N OF 57N BETWEEN 53W AND 61W WINDS 25 TO 35 KT. SEAS TO 4 M. .48 HOUR FORECAST LOW WELL N OF AREA. N OF 66N BETWEEN 54W AND 61W WINDS TO 25 KT. SEAS TO 3 M. ...GALE WARNING... .48 HOUR FORECAST FROM 31N TO 45N BETWEEN 64W AND 76W AREA OF NW TO N WINDS 25 TO 35 KT. SEAS TO 4 M. .SYNOPSIS AND FORECAST. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 90 NM OF 40N70W. .24 HOUR FORECAST DENSE FOG FROM 56N TO 59N BETWEEN 43W AND 48W. .48 HOUR FORECAST DENSE FOG FROM 46N TO 57N BETWEEN 35W AND 57W...AND FROM 59N TO 67N BETWEEN 52W AND 58W. .FORECASTER HUFFMAN. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 1800 UTC TUE OCT 14. 24 HOUR FORECAST VALID 1800 UTC WED OCT 15. 48 HOUR FORECAST VALID 1800 UTC THU OCT 16. .WARNINGS. ...ATLC TROPICAL STORM WARNING... .TROPICAL STORM LORENZO NEAR 18.7N 45.5W 1005 MB AT 2100 UTC OCT 14 MOVING NW OR 315 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 90 NM NE QUADRANT...120 NM SE QUADRANT...30 NM SW QUADRANT...AND 60 NM NW QUADRANT WITH SEAS TO 6 M. ELSEWHERE WITHIN 150 NM E SEMICIRCLE WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF THE AREA FROM 15N TO 22N BETWEEN 40W AND 48W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM LORENZO NEAR 23.0N 43.9W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER EXCEPT 50 NM SE QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM OF CENTER EXCEPT 120 NM SE QUADRANT WITH SEAS TO 5.5 M. ELSEWHERE WITHIN 120 NM E AND 60 NM W SEMICIRCLES WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF THE AREA FROM 20N TO 25N BETWEEN 40W AND 50W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL. .48 HOUR FORECAST TROPICAL DEPRESSION LORENZO NEAR 28.3N 37.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 120 NM E AND 60 NM W SEMICIRCLES WINDS 20 TO 30 KT. SEAS 3 TO 4 M. ELSEWHERE N OF 23N E OF 40W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .ATLC COLD FRONT FROM 31N67W TO 23N81W. N OF FRONT BETWEEN 78W AND 81W...INCLUDING THE STRAITS OF FLORIDA...NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .12 HOUR FORECAST COLD FRONT FROM 31N65W TO 23N80W. N OF 29N W OF FRONT TO 72W W TO NW WINDS 20 TO 25 KT. SEAS 2.5 M. N OF 27N E OF FRONT 60W SW WINDS 20 TO 25 KT. SEAS 2.5 M N OF 30N. .24 HOUR FORECAST COLD FRONT FROM 31N62W TO 22N77W. N OF 27N W OF FRONT TO 69W W TO NW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN W TO NW SWELL. ELSEWHERE N OF 29N W OF FRONT TO 75W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW TO N SWELL. N OF 27N E OF FRONT TO 55W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M. .48 HOUR FORECAST COLD FRONT FROM 31N58W TO 21N75W. REINFORCING FRONT FROM 31N65W TO 26N80W. NW OF REINFORCING FRONT TO 78W NW TO N WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. N OF 24N E OF FRONT TO A LINE FROM 31N43W TO 24N50W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M...EXCEPT 3 TO 4 M N OF 28N E OF FRONT TO A LINE FROM 31N50W TO 28N55W. ELSEWHERE N OF 23N BETWEEN 40W AND 62W...AND N OF 27N BETWEEN 62W AND 78W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED NW AND SE SWELL. .ATLC LOW PRES NEAR 29N52W 1004 MB. TROUGH FROM LOW CENTER TO 25N55W. N OF 27N W OF TROUGH TO 57W NW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NW SWELL. FROM 25 TO 28N E OF TROUGH TO 51W SW WINDS 20 TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST FRONTAL TROUGH FROM 31N44W TO 26N50W. N OF 25N E OF TROUGH SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M...EXCEPT 3 TO 4.5 M N OF 28N E OF TROUGH TO A LINE FROM 31N35W TO 28N43W. ELSEWHERE N OF 25N E OF 50W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN NW TO N SWELL. .48 HOUR FORECAST FRONTAL TROUGH DISSIPATED. CONDITIONS MERGED WITH LORENZO. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER GR. NATIONAL HURRICANE CENTER. $$
ocean.weather.gov
October 15, 2025 at 12:00 AM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 131602 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1630 UTC MON OCT 13 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE CONTINUITY WHERE APPROPRIATE. SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 1200 UTC OCT 13. 24 HOUR FORECAST VALID 1200 UTC OCT 14. 48 HOUR FORECAST VALID 1200 UTC OCT 15. .WARNINGS. ...STORM WARNING... .LOW 53N42W 982 MB MOVING S 10 KT. FROM 49N TO 57N BETWEEN 41W AND 48W WINDS 40 TO 55 KT. SEAS 5 TO 8 M. ELSEWHERE FROM 41N TO 61N BETWEEN 35W AND 52W WINDS 25 TO 40 KT. SEAS 3 TO 6 M. .24 HOUR FORECAST LOW 49N43W 988 MB. FROM 44N TO 52N BETWEEN 39W AND 50W WINDS 25 TO 35 KT. SEAS 4 TO 6.5 M. ELSEWHERE FROM 38N TO 54N BETWEEN 37W AND 52W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M. .48 HOUR FORECAST LOW 43N40W 992 MB. FROM 37N TO 46N BETWEEN 35W AND 47W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M. ...STORM WARNING... .N OF 65N W OF GREENLAND AREA OF S WINDS 40 TO 55 KT. SEAS 3 TO 6 M. ELSEWHERE N OF 60N W OF 53W WINDS 25 TO 40 KT. SEAS TO 4 M. .24 HOUR FORECAST N OF 65N BETWEEN 53W AND 60W AREA OF SW WINDS 20 TO 30 KT. SEAS TO 3.5 M. .36 HOUR FORECAST CONDITIONS DIMINISHED. ...GALE WARNING... .LOW 38N74W 1004 MB MOVING SE 05 KT. WITHIN 90 NM W SEMICIRCLE AND FROM 38N TO 44N BETWEEN 63W AND 75W WINDS 30 TO 45 KT. SEAS 3 TO 6 M. .24 HOUR FORECAST LOW 36N73W 1006 MB. WITHIN 150 NM W QUADRANT...AND WITHIN 180 NM N OF A LINE FROM 37N74W TO 40N70W TO 40N67W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. .48 HOUR FORECAST LOW ABSORBED. CONDITIONS DESCRIBED BELOW WITH LOW 35N64W. ...GALE WARNING... .LOW 33N78W 1004 MB MOVING NE 15 KT. WITHIN 120 NM NW SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE FROM 31N TO 35N BETWEEN 75W AND 80W WINDS 20 TO 30 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW 35N71W 1006 MB. FROM 31N TO 35N BETWEEN 70W AND 78W WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW ABSORBED. CONDITIONS DESCRIBED BELOW WITH LOW 35N64W. ...GALE WARNING... .LOW 38N61W 1010 MB MOVING SE 25 KT. WITHIN AN AREA BOUNDED BY A LINE FROM 44N63W TO 33N50W TO 38N63W TO 44N63W WINDS 30 TO 45 KT. SEAS 3 TO 6 M. .24 HOUR FORECAST LOW 32N51W 1008 MB. WITHIN 240 NM N OF A FRONT TO EXTEND FROM 32N48W TO 34N58W WINDS 20 TO 30 KT. SEAS TO 3.5 M. .48 HOUR FORECAST LOW 32N36W 1001 MB. FROM 31N TO 32N BETWEEN 35W AND 40W WINDS 25 TO 35 KT. SEAS TO 4 M. ...GALE WARNING... .24 HOUR FORECAST NEW LOW 36N64W 1005 MB. WITHIN 300 NM N OF A FRONT TO EXTEND FROM 34N58W TO THE LOW TO 40N67W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. .48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 35N64W 994 MB. FROM 31N TO 40N BETWEEN 52W AND 78W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M...HIGHEST NEAR 37N67W. ...GALE WARNING... .48 HOUR FORECAST NEW LOW 50N38W 995 MB. FROM 50N TO 56N BETWEEN 35W AND 48W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. .SYNOPSIS AND FORECAST. .LOW 32N60W 1009 MB MOVING SE 15 KT. FROM 31N TO 33N BETWEEN 56W AND 62W WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW AND CONDITIONS S OF AREA. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 66N BETWEEN 54W AND 57W. .24 HOUR FORECAST CONDITIONS IMPROVED. .48 HOUR FORECAST DENSE FOG FROM 53N TO 60N BETWEEN 37W AND 45W. .FORECASTER HUFFMAN. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 1200 UTC MON OCT 13. 24 HOUR FORECAST VALID 1200 UTC TUE OCT 14. 48 HOUR FORECAST VALID 1200 UTC WED OCT 15. .WARNINGS. ...ATLC TROPICAL STORM WARNING... .TROPICAL STORM LORENZO NEAR 14.8N 41.3W 1002 MB AT 1500 UTC OCT 13 MOVING NW OR 310 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER EXCEPT 80 NM NE QUADRANT. SEAS 4 M OR GREATER WITHIN 30 NM NW AND SE QUADRANTS... 90 NM NE QUADRANT AND 0 NM SW QUADRANT WITH SEAS TO 5 M. ELSEWHERE WITHIN 180 NM NE AND 210 SE QUADRANTS OF CENTER WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF THE AREA FROM 12N TO 20N BETWEEN 35W AND 45W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM LORENZO NEAR 17.2N 44.1W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W SEMICIRCLE...80 NM NE QUADRANT AND 60 NM SE QUADRANT. SEAS 4 M OR GREATER WITHIN 30 NM NW AND SE QUADRANTS...90 NM NE QUADRANT AND 0 NM SW QUADRANT WITH SEAS TO 5 M. ELSEWHERE WITHIN 180 NM E SEMICIRCLE WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF THE AREA FROM 12N TO 22N BETWEEN 38W AND 49W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM LORENZO NEAR 21.4N 44.9W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM NW AND SE QUADRANTS...50 NM NE QUADRANT AND 30 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 60 NM NW AND SE QUADRANTS... 90 NM NE QUADRANT AND 30 NM SW QUADRANT WITH SEAS TO 5.5 M. ELSEWHERE WITHIN 180 NM E SEMICIRCLE AND 90 NW QUADRANT WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF THE AREA FROM 15N TO 24N BETWEEN 40W AND 50W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .ATLC SURFACE TROUGH FROM 31N57.5W TO 28N56W. N OF 28 W OF TROUGH TO 60W NW WINDS 20 TO 25 KT. SEAS 2.5 M. N OF 28N E OF TROUGH TO 56W SW WINDS 20 TO 25 KT. SEAS 2.5 M. .24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .ATLC STATIONARY FRONT FROM 31N73W TO 25N80W. N OF 30N BETWEEN 75W AND 79W W TO NW WINDS 20 TO 25 KT. SEAS 2.5 M. SE OF FRONT TO A LINE FROM 31N70W TO 28N74W WINDS 20 KT OR LESS. SEAS 2.5 M IN SE TO E SWELL. .24 HOUR FORECAST COLD FRONT FROM 31N71W TO 23N80W. N OF 30N W OF FRONT TO 77W W TO NW WINDS 20 TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST COLD FRONT FROM 31N64W TO 22N77W. N OF 29N W OF FRONT TO 80W W TO NW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. N OF 27N E OF FRONT TO A LINE FROM 31N57W TO 27N60W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M. .ATLC 24 HOUR FORECAST COLD FRONT FROM 31N52W TO 25N60W. FROM 26N TO 29N E OF FRONT TO 51W SW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. FROM 27N TO 29N W OF FRONT TO 56W WINDS 20 KT OR LESS. SEAS 2.5M IN NW SWELL. .36 HOUR FORECAST COLD FRONT FROM 31N46W TO 25N52W. N OF 25N E OF FRONT TO 40W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. .48 HOUR FORECAST N OF 27N E OF 50W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M...EXCEPT 3 TO 4 M N OF 30N E OF 40W. ELSEWHERE E OF 50W AND N OF A LINE FROM 27N35W TO 25N50W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER GR. NATIONAL HURRICANE CENTER. $$
ocean.weather.gov
October 13, 2025 at 7:59 PM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 121028 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1030 UTC SUN OCT 12 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE CONTINUITY WHERE APPROPRIATE. SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0600 UTC OCT 12. 24 HOUR FORECAST VALID 0600 UTC OCT 13. 48 HOUR FORECAST VALID 0600 UTC OCT 14. .WARNINGS. ...STORM WARNING... .LOW 33N77W 992 MB MOVING NE 15 KT. WITHIN 120 NM SW AND W QUADRANTS WINDS 35 TO 50 KT. SEAS 4 TO 5.5 M. ALSO FROM 31N TO 35N BETWEEN 76W AND 80W AND WITHIN 240 NM N OF A FRONT FROM 35N76W TO 36N68W TO 35N62W WINDS 30 TO 45 KT. SEAS 3 TO 5.5 M...HIGHEST NEAR 36N73W. ELSEWHERE S OF 43N W OF 57W EXCEPT WHERE OTHERWISE NOTED...WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. .24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 37N74W 1004 MB. FRONT TO EXTEND FROM LOW TO 39N70W TO 36N57W. N OF FRONT WINDS 30 TO 45 KT. SEAS 4 TO 7 M. ELSEWHERE W OF 70W AND FROM 37N TO 44N BETWEEN 54W AND 70W WINDS 20 TO 30 KT. SEAS 2.5 TO 5.5 M...HIGHEST N OF 36N. .48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 37N73W 1008 MB AND A SECOND LOW 33N73W 1006 MN. FRONT TO EXTEND FROM MAIN LOW TO 41N68W TO 34N57W. WITHIN 120 NM SW AND W QUADRANTS OF SECOND LOW WINDS 25 TO 35 KT. SEAS 3 TO 4 M. ELSEWHERE WITHIN 240 NM N OF FRONT WINDS 20 TO 30 KT. SEAS 3 TO 4.5 M. ALSO S OF 36N W OF 70W WINDS TO 25 KT. SEAS TO 3 M. ...STORM WARNING... .LOW 48N35W 987 MB MOVING N 20 KT THEN TURNING NW AFTER 12 HOURS AND THEN TURNING S AFTER 24 HOURS. WITHIN 120 NM S SEMICIRCLE AND 90 NM W QUADRANT WINDS 40 TO 55 KT. SEAS 5 TO 7.5 M. ALSO FROM 43N TO 51N E OF 39W WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M. ELSEWHERE WITHIN 300 NM N AND 180 NM W QUADRANTS AND FROM 40N TO 47N E OF 46W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M. .24 HOUR FORECAST LOW 54N40W 982 MB. WITHIN 240 NM NW AND 300 NM SW QUADRANTS WINDS 35 TO 50 KT. SEAS 4.5 TO 8 M. ELSEWHERE WITHIN 480 NM OF LOW EXCEPT 780 NM S QUADRANT WINDS 25 TO 40 KT. SEAS 2.5 TO 6 M...HIGHEST SW AND S OF LOW .48 HOUR FORECAST LOW 49N41W 986 MB. WITHIN 360 NM W AND 240 E SEMICIRCLES WINDS 25 TO 40 KT. SEAS 4 TO 7 M...HIGHEST W AND SW OF LOW. ELSEWHERE WITHIN 540 NM OF LOW EXCEPT 660 NM S QUADRANT WINDS 20 TO 30 KT. SEAS 2.5 TO 5.5 M...HIGHEST SW OF LOW. ...STORM WARNING... .24 HOUR FORECAST INLAND LOW 69N75W 979 MB. NW AND N OF 65N W OF GREENLAND AREA OF SE WINDS 30 TO 40 KT. SEAS 2.5 TO 4 M. ELSEWHERE NW AND N OF A LINE FROM 60N64W TO 64N53W WINDS 20 TO 30 KT, SEAS TO 3 M. .30 HOUR FORECAST LOW NW OF AREA 70N72W 980 MB. N OF 65N W OF GREENLAND WINDS 40 TO 50 KT. SEAS 3.5 TO 6 M. .48 HOUR FORECAST LOW N OF AREA. N OF 65N W OF GREENLAND AREA OF SW WINDS 25 TO 35 KT. SEAS TO 3 M. ELSEWHERE N OF 63N W OF 51W WINDS TO 25 KT. SEAS TO 2.5 M. ...GALE WARNING... .LOW 52N46W 1006 MB MOVING SE 20 KT. WITHIN 420 NM SW AND 360 NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE WITHIN 600 NM S AND SW AND 360 NM NW QUADRANTS WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 54N40W IN STORM WARNING ABOVE. ..GALE WARNING... .LOW 66N59W 992 MB MOVING NE 10 KT. FROM 57N TO 65N W OF 56W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE N OF 56N W OF 51W WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW DISSIPATED N OF AREA WITH CONDITIONS AS DESCRIBED WITH INLAND LOW 69N75W ABOVE. ...GALE WARNING... .LOW 64N36W 1007 MB MOVING NE 15 KT. WITHIN 120 NM W AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE N OF 61N E OF GREENLAND WINDS TO 25 KT. SEAS TO 4 M IN MIXED SWELL...HIGHEST S OF LOW. .24 HOUR FORECAST LOW NE OF AREA. CONDITIONS DIMINISHED. ...GALE WARNING... .FROM 31N TO 35N BETWEEN 58W AND 66W AREA OF WINDS TO 25 KT. SEAS 3 TO 5.5 M WITH SE SWELL. .12 HOUR FORECAST LOW 32N62W 1007 MB. FROM 31N TO 34N BETWEEN 57W AND 63W WINDS 25 TO 35 KT. SEAS 3 TO 5 M. .24 HOUR FORECAST LOW 33N60W 1007 MB. FROM 31N TO 34N BETWEEN 57W AND 61W WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. .48 HOUR FORECAST LOW 32N54W 1006 MB. FROM 31N TO 36N BETWEEN 46W AND 58W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .SYNOPSIS AND FORECAST. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM BETWEEN GREENLAND AND A LINE FROM 60N50W TO 64N53W TO 67N57W. .24 HOUR FORECAST DENSE FOG FROM 57N TO 57N E OF 40W...AND FROM 61N TO 65N BETWEEN 59W AND 63W. .48 HOUR FORECAST CONDITIONS IMPROVED. .FORECASTER BANCROFT. OCEAN PREDICTION CENTER. NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 0600 UTC SUN OCT 12. 24 HOUR FORECAST VALID 0600 UTC MON OCT 13. 48 HOUR FORECAST VALID 0600 UTC TUE OCT 14. .WARNINGS. ...ATLC GALE WARNING... .ATLC REMNANTS OF JERRY NEAR 28N63W 1006 MB. WITHIN 31N62W TO 31N63W TO 30N63W TO 28N60W TO 29N60W TO 31N62W WINDS 30 TO 35 KT. SEAS 4.5 TO 6 M. ELSEWHERE WITHIN 31N59W TO 29N61W TO 31N64W TO 28N62W TO 25N62W TO 26N60W TO 31N59W WINDS 20 TO 30 KT. SEAS 3 TO 4.5 M. REMAINDER OF AREA WITHIN 31N48W TO 29N61W TO 31N70W TO 24N70W TO 24N62W TO 28N57W TO 31N48W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN SE TO S SWELL. .12 HOUR FORECAST LOW DISSIPATED. WITHIN 31N58W TO 31N61W TO 30N61W TO 28N60W TO 29N59W TO 31N58W S WINDS 20 TO 30 KT. SEAS 3.5 TO 5 M. ELSEWHERE WITHIN 31N41W TO 29N70W TO 27N70W TO 26N60W TO 28N56W TO 28N50W TO 31N41W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN S SWELL. .24 HOUR FORECAST WITHIN 31N56W TO 31N62W TO 30N61W TO 29N59W TO 31N56W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL. .48 HOUR FORECAST WITHIN 30N50W TO 31N53W TO 31N57W TO 29N56W TO 27N52W TO 28N50W TO 30N50W W TO NW WINDS 20 TO 25 KT. SEAS TO 2.5 M IN W SWELL. .SYNOPSIS AND FORECAST. .ATLC COLD FRONT FROM 31N75W TO 23N81W. WITHIN 29N73W TO 29N74W TO 29N75W TO 31N79W TO 28N75W TO 24N76W TO 29N73W SW TO W WINDS 20 TO 25 KT. SEAS 3 TO 4.5 M. ELSEWHERE WITHIN 31N70W TO 31N81W TO 27N80W TO 27N77W TO 23N74W TO 23N70W TO 31N70W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN E TO SE SWELL. .24 HOUR FORECAST COLD FRONT FROM 31N73W TO 23N80W. WITHIN 28N72W TO 29N72W TO 29N74W TO 27N75W TO 27N74W TO 28N72W S TO SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 31N56W TO 31N68W TO 30N80W TO 26N76W TO 29N70W TO 29N57W TO 31N56W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN MIXED SWELL. .48 HOUR FORECAST COLD FRONT FROM 31N70W TO 23N79W. WITHIN 31N72W TO 31N78W TO 30N77W TO 30N75W TO 30N73W TO 31N72W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .ATLC 06 HOUR FORECAST LOW PRES NEAR 09N35W 1008 MB. WITHIN 12N36W TO 13N36W TO 12N37W TO 11N36W TO 11N35W TO 12N35W TO 12N36W WINDS 20 TO 25 KT. SEAS 3 TO 3.5 M. ELSEWHERE WITHIN 12.5N35W TO 12.5N36W TO 11.5N36W TO 10.5N36W TO 09.5N35W TO 12.5N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NE SWELL. .24 HOUR FORECAST LOW PRES..PSBL TRPCL CYCLONE..NEAR 12N38W 1005 MB. WITHIN 13N35W TO 14N39W TO 12N41W TO 12N37W TO 09N38W TO 10N35W TO 13N35W WINDS 20 TO 30 KT. SEAS 3 TO 4 M. ELSEWHERE WITHIN 15N35W TO 14N39W TO 12N41W TO 08N37W TO 09N35W TO 15N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL. .48 HOUR FORECAST LOW PRES..PSBL TRPCL CYCLONE..NEAR 12N38W 1003 MB. WITHIN 15N37W TO 17N39W TO 16N43W TO 14N41W TO 12N40W TO 13N38W TO 15N37W WINDS 20 TO 30 KT. SEAS 3 TO 4.5 M. ELSEWHERE WITHIN 19N38W TO 19N40W TO 14N45W TO 10N45W TO 12N38W TO 14N36W TO 19N38W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. $$ .FORECASTER DELGADO. NATIONAL HURRICANE CENTER.
ocean.weather.gov
October 12, 2025 at 4:00 PM
OPC N Atlantic High Seas Forecast (corrected)
FZNT01 KWBC 111104 CCA HSFAT1 HIGH SEAS FORECAST FOR METAREA IV...CORRECTED...ADD PART II NWS OCEAN PREDICTION CENTER WASHINGTON DC 1030 UTC SAT OCT 11 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE CONTINUITY WHERE APPROPRIATE. SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0600 UTC OCT 11. 24 HOUR FORECAST VALID 0600 UTC OCT 12. 48 HOUR FORECAST VALID 0600 UTC OCT 13. .WARNINGS. ...TROPICAL STORM WARNING... .24 HOUR FORECAST TROPICAL STORM JERRY JUST S OF AREA NEAR 29.0N 62.6W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W SEMICIRCLE...130 NM NE QUADRANT AND 140 NM SE QUADRANT. SEAS 4 M OR GREATER WITHIN 275 NM NE QUADRANT...210 NM SE QUADRANT...90 NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 6.5 M. ELSEWHERE FROM 31N TO 36N BETWEEN 55W AND 67W WINDS 20 TO 33 KT. SEAS TO 4 M. .48 HOUR FORECAST TROPICAL STORM JERRY NEAR 33.0N 60.6W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE QUADRANT...100 NM SE QUADRANT...30 NM SW QUADRANT...AND 0 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM NE AND SW QUADRANTS...180 NM SE AND 60 NM NW QUADRANTS WITH SEAS TO 5.5 M. ELSEWHERE FROM 31N TO 37N BETWEEN 53W AND 62W WINDS 20 TO 33 KT. SEAS TO 4 M. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. ...STORM WARNING... .LOW 58N45W 985 MB MOVING NE 20 KT. FRONT EXTENDS FROM LOW TO 61N41W TO 62N35W. WITHIN 90 NM W...120 NM S AND 180 NM SE QUADRANTS AND WITHIN 120 NM N OF FRONT BETWEEN 38W AND 44W WINDS 35 TO 50 KT. SEAS 4.5 TO 7 M. ALSO WITHIN 150 NM NW AND 240 NM SE SEMICIRCLES AND WITHIN 180 NM N OF FRONT WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. ELSEWHERE N OF A LINE FROM 54N35W TO 46N49W WINDS TO 25 KT. SEAS TO 4.5 M...HIGHEST S QUADRANT. .12 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 61N40W 997 MB AND A NEW SECOND LOW 60N39W 997 MB. N OF 64N E OF GREENLAND WINDS 40 TO 50 KT. SEAS 4 TO 6 M. ELSEWHERE N OF 57N E OF 42W WINDS 25 TO 40 KT. SEAS 3.5 TO 6 M...HIGHEST NEAR 58N38W. .24 HOUR FORECAST COMBINED LOW 64N37W 1008 MB. N OF 63N E OF GREENLAND WINDS 20 TO 30 KT. SEAS 3 TO 5 M. OTHERWISE FROM 53N TO 59N E OF 49W WINDS TO 25 KT. SEAS 2.5 TO 4.5 M. .48 HOUR FORECAST LOW 65N35W 1012 MB. CONDITIONS DIMINISHED. ...STORM WARNING... .LOW 43N40W 1008 MB MOVING NE 20 KT AND INTENSIFYING..THEN TURNING MORE NW AFTER 24 HOURS. FRONT EXTENDS FROM LOW TO 38N42W TO 32N58W. WITHIN 180 NM W QUADRANT AND WITHIN 180 NM NW OF FRONT N OF 37N WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN 300 NM NW SEMICIRCLE...180 NM E QUADRANT AND WITHIN 300 NM NW OF FRONT AND WITHIN 240 NM SE OF FRONT N OF 35N WINDS TO 25 KT. SEAS TO 3 M. .12 HOUR FORECAST LOW 46N36W 998 MB. WITHIN 90 NM SW SEMICIRCLE WINDS 35 TO 50 KT. SEAS 3.5 TO 5.5 M. ELSEWHERE WITHIN 240 NM W AND 180 NM E SEMICIRCLES WINDS 25 TO 40 KT. SEAS 3 TO 4 M. .24 HOUR FORECAST LOW 49N36W 988 MB. WITHIN 120 NM S AND SW SEMICIRCLES WINDS 40 TO 55 KT. SEAS 4.5 TO 7 M. ALSO FROM 45N TO 54N E OF 40W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M...HIGHEST S OF LOW. ELSEWHERE WITHIN 540 NM S...180 NM E AND W AND 360 NM N QUADRANTS WINDS TO 25 KT. SEAS TO 4 M. .48 HOUR FORECAST LOW 54N40W 981 MB. WITHIN 300 NM SW AND 180 NM NW QUADRANTS WINDS 40 TO 50 KT. SEAS 4.5 TO 8 M. ELSEWHERE WITHIN 420 NM OF LOW EXCEPT 660 NM S QUADRANT WINDS 25 TO 40 KT. SEAS 3.5 TO 6.5 M...HIGHEST S AND SW OF LOW. ...STORM WARNING... .FROM 32N TO 35N BETWEEN 60W AND 81W AREA OF E TO NE WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE FROM 31N TO 38N W OF 57W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .12 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 32N76W 1000 MB AND A NEW SECOND LOW 31N66W 1007 MB. WITHIN 180 NM NW SEMICIRCLE OF MAIN LOW...FROM 33N TO 36N W OF 70W AND WITHIN 240 NM NE AND 180 NM NW QUADRANTS OF SECOND LOW WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M. .24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 33N77W 999 MB. FRONT TO EXTEND FROM LOW TO 35N72W TO 34N63W. WITHIN 120 NM W SEMICIRCLE AND WITHIN 240 NM N OF FRONT WINDS 25 TO 40 KT. SEAS 4 TO 6.5 M. ELSEWHERE FROM 31N TO 42N W OF 57W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M...EXCEPT N OF 41N SEAS TO 2.5 M. .30 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 34N77W 997 MB. FRONT TO EXTEND FROM 36N75W TO 38N70W TO 36N63W. WITHIN 150 NM N OF FRONT BETWEEN 68W AND 74W WINDS 35 TO 50 KT. SEAS 4.5 TO 7.5 M. .48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 37N74W 1001 MB. FRONT TO EXTEND FROM 36N76W TO 40N70W TO 36N58W. WITHIN 240 NM N OF THE FRONT WINDS 30 TO 45 KT. SEAS 4.5 TO 8 M. ELSEWHERE WITHIN 360 NM N OF THE FRONT WINDS 20 TO 30 KT. SEAS 3 TO 6 M. ...GALE WARNING... .LOW 65N63W 980 MB MOVING NE 05 KT. WITHIN 300 NM NE SEMICIRCLE AND 240 NM S QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE N OF 45N W OF 50W WINDS 20 TO 30 KT. SEAS T0 2.5 M. .24 HOUR FORECAST LOW 66N60W 994 MB. FROM 60N TO 67N W OF 53W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE N OF 58N W OF 50W WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 68N68W 1002 MB. WITHIN 360 NM SE QUADRANT WINDS 20 TO 30 KT. SEAS TO 3 M. ELSEWHERE FROM 64N TO 65N BETWEEN 55W AND 64W WINDS 20 TO 30 KT. SEAS TO 2.5 M. ...GALE WARNING... .48 HOUR FORECAST NEW LOW 50N48W 1008 MB. FROM 44N TO 56N BETWEEN 50W AND 56W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M. .SYNOPSIS AND FORECAST. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 52N TO 61N BETWEEN 35W AND 50W...AND N OF 61N W OF 58W. .24 HOUR FORECAST DENSE FOG N OF 64N E OF GREENLAND...AND WITHIN 120 NM E OF A LINE FROM 63N51W TO 58N51W TO 50N57W. .48 HOUR FORECAST DENSE FOG FROM 50N TO 56N BETWEEN 42W AND 47W...AND FROM 59N TO 61N BETWEEN 35W AND 37W. .FORECASTER BANCROFT. OCEAN PREDICTION CENTER. NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 0600 UTC SAT OCT 11. 24 HOUR FORECAST VALID 0600 UTC SUN OCT 12. 48 HOUR FORECAST VALID 0600 UTC MON OCT 13. .WARNINGS. ...ATLC TROPICAL STORM WARNING... .TROPICAL STORM JERRY NEAR 24.5N 63.4W 1004 MB AT 0900 UTC OCT 11 MOVING N OR 05 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W SEMICIRCLE...150 NM NE QUADRANT AND 180 NM SE QUADRANT. SEAS 4 M OR GREATER WITHIN 275 NM NE QUADRANT...210 NM SE QUADRANT...90 NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 7 M. ELSEWHERE WITHIN 28N62W TO 25N65W TO 23N65W TO 19N63W TO 20N61W TO 24N59W TO 28N62W WINDS 20 TO 33 KT. SEAS 4 TO 6 M. REMAINDER OF AREA WITHIN 25N57W TO 31N59W TO 28N69W TO 20N68W TO 18N63W TO 20N58W TO 25N57W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM JERRY NEAR 29.0N 62.6W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W SEMICIRCLE...130 NM NE QUADRANT AND 140 NM SE QUADRANT. SEAS 4 M OR GREATER WITHIN 275 NM NE QUADRANT...210 NM SE QUADRANT...90 NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 6.5 M. ELSEWHERE WITHIN 31N59W TO 30N62W TO 31N65W TO 27N62W TO 24N62W TO 26N59W TO 31N59W WINDS 20 TO 33 KT. SEAS 4 TO 5.5 M. REMAINDER OF AREA WITHIN 31N50W TO 31N81W TO 24N73W TO 25N66W TO 23N62W TO 31N50W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM JERRY NEAR 33.0N 60.6W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE QUADRANT...100 NM SE QUADRANT...30 NM SW QUADRANT...AND 0 NM NW QUADRANT. OVER FORECAST WATERS SEAS 4 M OR GREATER N OF 27N BETWEEN 55W AND 65W WITH SEAS TO 5.5 M. ELSEWHERE WITHIN 31N58W TO 31N62W TO 30N61W TO 30N60W TO 30N59W TO 30N58W TO 31N58W WINDS 20 TO 30 KT. SEAS 4 TO 5.5 M. REMAINDER OF AREA WITHIN 30N56W TO 31N53W TO 30N59W TO 31N64W TO 28N62W TO 27N60W TO 30N56W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN MIXED SWELL. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .ATLC STATIONARY FRONT FROM 31N60W TO 1006 MB LOW PRES NEAR 27N80W. WITHIN 30N60W TO 31N69W TO 31N70W TO 31N81W TO 30N66W TO 28N62W TO 30N60W E TO NE WINDS 20 TO 30 KT. SEAS 3 TO 4 M. ELSEWHERE WITHIN 31N67W TO 31N81W TO 28N81W TO 27N69W TO 31N67W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NE SWELL. .24 HOUR FORECAST COLD FRONT FROM 31N77W TO 23N82W. WITHIN 31N73W TO 31N77W TO 27N75W TO 27N73W TO 28N72W TO 31N73W S TO SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. LARGE SWELL REGION MERGED WITH TROPICAL STORM JERRY DESCRIBED ABOVE. .48 HOUR FORECAST DISSIPATING COLD FRONT FROM 31N70W TO 23N82W. WITHIN 31N69W TO 31N80W TO 30N80W TO 30N74W TO 28N74W TO 29N70W TO 31N69W WINDS 20 KT OR LESS. SEAS TO 2.5 IN SE SWELL. .ATLC WITHIN 17N48W TO 18N50W TO 17N53W TO 14N53W TO 14N49W TO 17N48W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN E SWELL. .24 HOUR FORECAST WITHIN 17N54W TO 18N55W TO 18N56W TO 17N58W TO 15N56W TO 15N55W TO 17N54W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN E SWELL. .36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .GULF OF AMERICA WITHIN 29N83W TO 30N84W TO 29N88W TO 28N87W TO 27N84W TO 29N83W NE WINDS 20 TO 25 KT. SEAS TO 2.5 M. ELSEWHERE WITHIN 29N83W TO 30N87W TO 28N92W TO 26N92W TO 24N88W TO 24N86W TO 29N83W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL. .24 HOUR FORECAST WITHIN 27N86W TO 27N87W TO 28N89W TO 27N91W TO 25N91W TO 25N87W TO 27N86W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN NE SWELL. .30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. $$ .FORECASTER DELGADO. NATIONAL HURRICANE CENTER.
ocean.weather.gov
October 11, 2025 at 11:59 AM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 100948 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1030 UTC FRI OCT 10 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE CONTINUITY WHERE APPROPRIATE. SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0600 UTC OCT 10. 24 HOUR FORECAST VALID 0600 UTC OCT 11. 48 HOUR FORECAST VALID 0600 UTC OCT 12. .WARNINGS. ...STORM WARNING... .LOW 52N50W 996 MB MOVING NE 25 KT. FROM 46N TO 56N BETWEEN 42W AND 56W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 38N TO 47N BETWEEN 45W AND 65W AND FROM 54N TO 60N E OF 42W WINDS 20 TO 30 KT. SEAS TO 3 M. .18 HOUR FORECAST LOW 57N46W 986 MB. FROM 58N TO 62N BETWEEN 40W AND 47W WINDS 35 TO 50 KT. SEAS 4 TO 8 M. .24 HOUR FORECAST LOW 58N45W 978 MB. FROM 58N TO 61N BETWEEN 41W AND 46W WINDS 35 TO 50 KT. SEAS 4 TO 8 M. ELSEWHERE FROM 53N TO 64N E OF 49W WINDS 25 TO 35 KT. SEAS 3 TO 6 M. ALSO FROM 49N TO 64N E OF 48W WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 64N37W 1010 MB. N OF 62N E OF GREENLAND WINDS TO 25 KT. SEAS TO 4 M. ...STORM WARNING... .24 HOUR FORECAST NEW LOW 44N40W 1009 MB. FROM 35N TO 46N BETWEEN 37W AND 47W WINDS 25 TO 35 KT. SEAS TO 3 M. .36 HOUR FORECAST LOW 46N37W 995 MB. WITHIN 90 NM SW QUADRANT WINDS 35 TO 50 KT. SEAS 3 TO 5 M. .48 HOUR FORECAST LOW 48N36W 985 MB. WITHIN 120 NM SW SEMICIRCLE WINDS 40 TO 50 KT. SEAS 4 TO 7 M. ELSEWHERE FROM 41N TO 52N E OF 44W WINDS 25 TO 40 KT. SEAS TO 4 M. ...GALE WARNING... .S OF 38N W OF 60W AREA OF N TO NE WINDS 25 TO 35 KT. SEAS TO 4 M. .24 HOUR FORECAST S OF 37N W OF 50W AREA OF E TO NE WINDS 25 TO 35 KT. SEAS TO 4 M. .48 HOUR FORECAST LOW 34N76W 1001 MB. FROM 33N TO 40N W OF 60W AREA OF E TO NE WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ...GALE WARNING... .18 HOUR FORECAST N OF 58N W OF 54W AREA OF S WINDS 25 TO 35 KT. SEAS TO 4 M. .24 HOUR FORECAST N OF 58N W OF 52W AREA OF S WINDS 25 TO 35 KT. SEAS TO 4 M. .48 HOUR FORECAST FROM 58N TO 63N W OF 55W AREA OF SW WINDS 25 TO 35 KT. SEAS TO 4 M. ...GALE WARNING... .48 HOUR FORECAST LOW 54N48W 1006 MB. FROM 41N TO 57N BETWEEN 47W AND 57W WINDS 25 TO 35 KT. SEAS TO 4 M. .SYNOPSIS AND FORECAST. .SUBTROPICAL STORM KAREN E OF AREA NEAR 45N32W 998 MB MOVING NE 10 KT. FROM 40N TO 45N E OF 40W WINDS 20 TO 30 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW AND CONDITIONS WELL E OF AREA. .48 HOUR FORECAST...SEE PART II FOR TROPICAL STORM JERRY JUST S OF AREA...S OF 35N BETWEEN 56W AND 66W AREA OF E TO NE WINDS 20 TO 30 KT. SEAS TO 3 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 47N TO 58N E OF 58W. .24 HOUR FORECAST DENSE FOG N OF 58N W OF 35W. .48 HOUR FORECAST DENSE FOG N OF 59N W OF 47W. .FORECASTER KREKELER. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 0600 UTC FRI OCT 10. 24 HOUR FORECAST VALID 0600 UTC SAT OCT 11. 48 HOUR FORECAST VALID 0600 UTC SUN OCT 12. .WARNINGS. ...ATLC TROPICAL STORM WARNING... .TROPICAL STORM JERRY NEAR 19.2N 62.5W 1007 MB AT 0900 UTC OCT 10 MOVING NW OR 315 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM NE QUADRANT...160 NM SE QUADRANT...0 NM SW QUADRANT...AND 50 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 275 NM NE QUADRANT...210 NM SE QUADRANT...60 NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 6 M. ELSEWHERE WITHIN 21N57W TO 23N60W TO 23N62W TO 19N63W TO 16N59W TO 19N58W TO 21N57W WINDS 20 TO 33 KT. SEAS 3.5 TO 5.5 M. REMAINDER OF AREA WITHIN 25N56W TO 25N63W TO 20N65W TO 14N61W TO 16N56W TO 19N54W TO 25N56W WINDS 20 KT OR LESS. SEAS 2.5 TO 4 M IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM JERRY NEAR 23.3N 63.4W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...140 NM SE QUADRANT...30 NM SW QUADRANT...AND 40 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 275 NM NE QUADRANT...250 NM SE QUADRANT...90 NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 6 M. ELSEWHERE WITHIN 26N59W TO 28N62W TO 24N65W TO 22N65W TO 21N61W TO 24N59W TO 26N59W WINDS 20 TO 33 KT. SEAS 3.5 TO 5.5 M. REMAINDER OF AREA WITHIN 31N58W TO 30N67W TO 27N69W TO 21N68W TO 19N62W TO 21N57W TO 31N58W WINDS 20 KT OR LESS. SEAS 2.5 TO 4 M IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM JERRY NEAR 28.4N 62.5W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM W SEMICIRCLE...110 NM NE QUADRANT AND 120 NM SE QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM NE QUADRANT...275 NM SE QUADRANT...90 NM SW QUADRANT...AND 180 NM NW QUADRANT WITH SEAS TO 6.5 M. ELSEWHERE WITHIN 31N58W TO 29N61W TO 31N63W TO 29N64W TO 26N63W TO 26N60W TO 31N58W WINDS 20 TO 33 KT. SEAS 3.5 TO 5.5 M. REMAINDER OF AREA WITHIN 31N49W TO 31N81W TO 25N75W TO 23N62W TO 28N56W TO 31N49W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN MIXED SWELL. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .ATLC STATIONARY FRONT FROM 31N76W TO 29N81W. WITHIN 30N78W TO 31N79W TO 31N81W TO 29N80W TO 28N79W TO 28N78W TO 30N78W E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 31N77W TO 31N79W TO 30N81W TO 30N80W TO 30N78W TO 31N77W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN N TO NE SWELL. .24 HOUR FORECAST STATIONARY FRONT FROM 31N73W TO 1010 MB LOW PRES NEAR 29N81W. WITHIN 31N61W TO 31N77W TO 29N79W TO 30N64W TO 31N61W E WINDS 20 TO 30 KT. SEAS 3 TO 4 M. ELSEWHERE WITHIN 31N67W TO 30N74W TO 31N81W TO 28N80W TO 28N69W TO 31N67W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NE SWELL. .48 HOUR FORECAST COLD FRONT FROM 31N74W TO 23N83W. CONDITIONS MERGED WITH TROPICAL STORM JERRY DESCRIBED ABOVE. .ATLC WITHIN 15N39W TO 19N39W TO 20N42W TO 13N53W TO 08N50W TO 09N45W TO 15N39W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN NE TO E SWELL. .24 HOUR FORECAST WITHIN 18N48W TO 18N51W TO 17N54W TO 14N53W TO 15N48W TO 18N48W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN E SWELL. .36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .GULF OF AMERICA WITHIN 30N84W TO 30N85W TO 28N89W TO 26N87W TO 26N86W TO 28N83W TO 30N84W NE WINDS 20 TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST WITHIN 29N83W TO 30N84W TO 30N86W TO 28N86W TO 28N83W TO 29N83W N TO NE WINDS 20 TO 25 KT. SEAS TO 2.5 M. .36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER DELGADO. NATIONAL HURRICANE CENTER. $$
ocean.weather.gov
October 10, 2025 at 10:00 AM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 090414 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC THU OCT 09 2025 CCODE/2:31:04:11:00/AOE+AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE CONTINUITY WHERE APPROPRIATE. SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0000 UTC OCT 09. 24 HOUR FORECAST VALID 0000 UTC OCT 10. 48 HOUR FORECAST VALID 0000 UTC OCT 11. .WARNINGS. ...STORM WARNING... .LOW 47N61W 1005 MB MOVING NE 25 KT. FROM 38N TO 50N W OF 56W WINDS 25 TO 35 KT. SEAS TO 3.5 M. .24 HOUR FORECAST LOW 51N50W 998 MB. FROM 38N TO 56N BETWEEN 45W AND 68W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 55N47W 990 MB. FROM 58N TO 60N BETWEEN 40W AND 47W WINDS 35 TO 50 KT. SEAS 3 TO 6 M. ELSEWHERE FROM 47N TO 64N BETWEEN 38W AND 50W WINDS 25 TO 35 KT. SEAS TO 4 M. ...GALE WARNING... .LOW 42N37W 997 MB MOVING NE 15 KT. WITHIN 360 NM OF LOW CENTER WINDS 25 TO 35 KT. SEAS TO 4 M. .24 HOUR FORECAST LOW E OF AREA 44N34W 1001 MB. WITHIN 300 NM S QUADRANT WINDS 20 TO 30 KT. SEAS TO 3.5 M. .48 HOUR FORECAST LOW AND CONDITIONS E OF AREA. ...GALE WARNING... .LOW 58N47W 998 MB MOVING NE 30 KT. WITHIN 480 NM SE QUADRANT WINDS TO 25 KT. SEAS TO 3 M. .12 HOUR FORECAST LOW 61N38W 997 MB. FROM 54N TO 63N E OF 40W WINDS 25 TO 35 KT. SEAS TO 4 M. .24 HOUR FORECAST LOW AND CONDITIONS E OF AREA. ...GALE WARNING... .N OF 62N W OF GREENLAND AREA OF NW WINDS 25 TO 40 KT. SEAS TO 4 M. .12 HOUR FORECAST CONDITIONS DIMINISHED. ...GALE WARNING... .24 HOUR FORECAST W OF A LINE FROM 38N58W TO 31N75W AREA OF N TO NE WINDS 25 TO 35 KT. SEAS TO 4 M. .48 HOUR FORECAST S OF 37N W OF 52W AREA OF N TO NE WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. ...GALE WARNING... .48 HOUR FORECAST LOW 42N44W 1010 MB. FROM 36N TO 45N BETWEEN 40W AND 52W WINDS 25 TO 35 KT. SEAS TO 4 M. ...GALE WARNING... .48 HOUR FORECAST N OF 58N W OF 53W AREA OF S WINDS 25 TO 35 KT. SEAS TO 4 M. .SYNOPSIS AND FORECAST. 48 HOUR FORECAST FROM 45N TO 50N W OF 50W AREA OF W WINDS TO 25 KT. SEAS TO 3 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 58N TO 61N BETWEEN 38W AND 53W. .24 HOUR FORECAST DENSE FOG FROM 47N TO 58N BETWEEN 39W AND 58W. .48 HOUR FORECAST DENSE FOG FROM 54N TO 62N BETWEEN 37W AMD 43W AND N OF 60N W OF 54W. .FORECASTER KREKELER. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 0000 UTC THU OCT 9. 24 HOUR FORECAST VALID 0000 UTC FRI OCT 10. 48 HOUR FORECAST VALID 0000 UTC SAT OCT 11. .WARNINGS. ...ATLC HURRICANE WARNING... .TROPICAL STORM JERRY NEAR 15.2N 56.1W 999 MB AT 0300 UTC OCT 09 MOVING WNW OR 290 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM NE QUADRANT...160 NM SE QUADRANT...0 NM SW QUADRANT...AND 70 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 270 NM NE QUADRANT...210 NM SE QUADRANT...60 NM SW QUADRANT...AND 90 NM NW QUADRANT WITH SEAS TO 7.5 M. ELSEWHERE 19N53W TO 19N57W TO 17N58W TO 14N57W TO 13N53W TO 14N53W TO 19N53W WINDS 20 TO 33 KT. SEAS 3.0 TO 5.5 M IN E TO SE SWELL. REMAINDER OF AREA WITHIN 20N48W TO 19N57W TO 17N52W TO 16N58W TO 10N53W TO 15N44W TO 20N48W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN E TO SE SWELL. .24 HOUR FORECAST TROPICAL STORM JERRY NEAR 18.0N 60.6W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...130 NM SE QUADRANT...30 NM SW QUADRANT...AND 60 NM NW QUADRANT. SEAS 4 M OR GREATER WIHTIN 240 NM NE QUADRANT...180 NM SE QUADRANT...60 NM SW QUADRANT...90 NM NW QUADRANT WITH SEAS TO 8.0 M. ELSEWHERE WITHIN 21N57W TO 22N59W TO 21N61W TO 18N61W TO 16N60W TO 17N57W TO 21N57W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 TO 33 KT. SEAS 4.5 TO 5.5 M IN E TO SE SWELL. REMAINDER OF AREA WITHIN 24N53W TO 25N59W TO 19N63W TO 13N61W TO 12N58W TO 18N51W TO 24N53W... INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN SE TO S SWELL. .36 HOUR FORECAST HURRICANE JERRY NEAR 20.1N 62.2W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. MAXIMUM SEAS 8.5 M. .48 HOUR FORECAST HURRICANE JERRY NEAR 22.5N 62.8W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...130 NM SE QUADRANT...40 NM SW QUADRANT...AND 60 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM NE AND 180 NM SW SEMICIRCLES WITH SEAS TO 8.0 M. ELSEWHERE WITHIN 24N59W TO 25N60W TO 24N63W TO 22N63W TO 20N61W TO 22N59W TO 24N59W WINDS 20 TO 33 KT. SEAS 3.5 TO 5.0 M IN SE TO S SWELL. REMAINDER OF AREA WITHIN 26N57W TO 29N63W TO 25N68W TO 20N69W TO 18N61W TO 23N56W TO 26N57W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 5.0 M IN SE TO S SWELL. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .ATLC WITHIN 30N57W TO 30N65W TO 29N66W TO 28N63W TO 29N60W TO 30N57W WINDS 20 KT OR LESS. SEAS 2.5 M IN NE TO E SWELL. .12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M . .ATLC WITHIN 20N35W TO 17N38W TO 15N44W TO 13N46W TO 10N41W TO 11N35W TO 20N35W WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED N AND E SWELL. .24 HOUR FORECAST WITHIN 12N41W TO 18N40W TO 13N46W TO 12N50W TO 10N49W TO 10N44W TO 12N41W WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED NE AND E SWELL. .48 HOUR FORECAST WITHIN 13N51W TO 14N51W TO 14N54W TO 13N54W TO 13N53W TO 13N52W TO 13N51W WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED N AND E SWELL. .GULF OF AMERICA FROM 20.5N TO 22N W OF 95W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ...WINDS 20 KT OR LESS.. SEAS 2.5 M IN E SWELL. .06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .GULF OF AMERICA 24 HOUR FORECAST WITHIN 29N83W TO 30N84W TO 30N86W TO 29N85W TO 27N83W TO 29N83W NE WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST WITHIN 29N83W TO 30N86W TO 29N85W TO 29N89W TO 27N87W TO 27N83W TO 29N83W NE WINDS 20 TO 25 KT. SEAS TO 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER STRIPLING. NATIONAL HURRICANE CENTER. $$
ocean.weather.gov
October 9, 2025 at 7:59 AM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 072150 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 2230 UTC TUE OCT 07 2025 CCODE/2:31:04:11:00/AOE+AOW/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE CONTINUITY WHERE APPROPRIATE. SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 1800 UTC OCT 07. 24 HOUR FORECAST VALID 1800 UTC OCT 08. 48 HOUR FORECAST VALID 1800 UTC OCT 09. .WARNINGS. ...STORM WARNING... .LOW 62N38W 991 MB MOVING NE 25 KT. FR0M 59N TO 60N BETWEEN 40W AND 45W WINDS 35 TO 50 KT. SEAS 3.5 TO 5 M. ELSEWHERE FROM 58N TO 61N E OF 46W...AND WITHIN 480 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 3 TO 4 M. ALSO WITHIN 720 NM S QUADRANT...AND FROM 57N TO 61N E OF 48W WINDS 20 TO 30 KT. SEAS TO 3.5 M. .24 HOUR FORECAST LOW NE OF AREA. FROM 63N TO 66N E OF 39W WINDS 30 TO 45 KT. SEAS 3 TO 5 M. ELSEWHERE FROM 59N TO 61N E OF 44W WINDS 20 TO 30 KT. SEAS TO 3.5 M. .48 HOUR FORECAST N OF 52N E OF 46W WINDS 20 TO 30 KT. SEAS 3 M. ...GALE WARNING... .BETWEEN 66N AND A LINE EXTENDING FROM 59N69W TO 61N60W TO 61N55W TO 64N50W WINDS 30 TO 45 KT. SEAS 3 TO 5.5 M. .24 HOUR FORECAST WITHIN 120 NM OF THE W COAST OF GREENLAND N OF 63N WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST CONDITIONS DIMINISHED. ...GALE WARNING... .24 HOUR FORECAST LOW 57N51W 1000 MB. WITHIN 480 NM SE QUADRANT AND 180 NM N SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 3 M. .36 HOUR FORECAST LOW 60N39W 999 MB. FROM 55N TO 59N E OF 40W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST LOW AND CONDITIONS E OF AREA. ...GALE WARNING... . W OF A LINE FROM 51N56W TO 45N58W TO 42N68W WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LOW 49N62W 1007 MB. W OF A LINE FROM 50N43W TO 44N58W TO 37N62W WINDS 20 TO 30 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW 50N51W 1001 MB. WITHIN 180 NM E OF A LINE FROM 50N51W TO 46N54W TO 39N60W...AND W OF A LINE FROM 34N75W TO 31N79W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE W OF A LINE FROM 55N40W TO 40N50W TO 31N74W WINDS 20 TO 30 KT. SEAS TO 3.5 M. ...GALE WARNING... .COMPLEX LOW WITH MEAN CENTER NEAR 36N43W 1017 MB MOVING NE 25 KT. WITHIN 360 NM W AND NW QUADRANTS...ALSO WITHIN 240 NM S SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW 43N38W 1001 MB. WITHIN 120 NM N AND NW QUADRANTS...ALSO WITHIN 60 NM S SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 4 M. ELSEWHERE WITHIN 240 NM N SEMICIRCLE AND 300 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 43N34W 1000 MB. WITHIN 240 NM SW QUADRANT WINDS 25 TO 35 KT. SEAS 3 TO 4 M. .SYNOPSIS AND FORECAST. .LOW 44N36W 1017 MB NEARLY STATIONARY. WITHIN 240 NM NW SEMICIRCLE WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 43N38W IN WARNING SECTION. .48 HOUR FORECAST WITHIN 180 NM SW OF A LINE FROM 63N65W TO 62N60W TO 58N55W AND WITHIN 120 NM S OF A LINE FROM 65N64W TO 64N61W WINDS 20 TO 30 KT. SEAS 3 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 64N W OF GREENLAND...ALSO FROM 58N TO 60N BETWEEN 39W AND 42W. .24 HOUR FORECAST DENSE FOG FROM 51N TO 60N BETWEEN 42W AND 57W. .48 HOUR FORECAST DENSE FOG FROM 47N TO 55N BETWEEN 44W AND 53W. .FORECASTER SHAW. OCEAN PREDICTION CENTER. NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 1800 UTC TUE OCT 7. 24 HOUR FORECAST VALID 1800 UTC WED OCT 8. 48 HOUR FORECAST VALID 1800 UTC THU OCT 9. .WARNINGS. ...ATLC HURRICANE WARNING... .TROPICAL STORM JERRY NEAR 12.0N 46.4W 1003 MB AT 2100 UTC OCT 07 MOVING W OR 280 DEG AT 20 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...90 NM SE QUADRANT...0 NM SW QUADRANT...AND 60 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 0 NM W SEMICIRCLE...150 NM NE QUADRANT AND 120 NM SE QUADRANT WITH SEAS TO 4.5 M. ELSEWHERE WITHIN 13N44W TO 15N47W TO 13N48W TO 12N48W TO 10N45W TO 11N43W TO 13N44W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER AREA WITHIN 16N41W TO 18N45W TO 17N49W TO 14N50W TO 10N44W TO 11N41W TO 16N41W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL. .24 HOUR FORECAST HURRICANE JERRY NEAR 14.2N 53.0W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE QUADRANT...110 NM SE QUADRANT...40 NM SW QUADRANT...AND 100 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM E SEMICIRCLE...AND 90 NM W SEMICIRCLE WITH SEAS TO 7.0 M. ELSEWHERE WITHIN 17N50W TO 18N52W TO 15N54W TO 14N53W TO 11N51W TO 13N49W TO 17N50W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER AREA WITHIN 16N44W TO 18N45W TO 18N51W TO 14N49W TO 11N51W TO 11N49W TO 16N44W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL. .48 HOUR FORECAST HURRICANE JERRY NEAR 17.2N 59.3W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM E SEMICIRCLE...40 NM SW QUADRANT AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 270 NM NE QUADRANT...240 NM SE QUADRANT...150 NM SW QUADRANT...AND 210 NM NW QUADRANT WITH SEAS TO 9.0 M. ELSEWHERE WITHIN 18N54W TO 20N56W TO 20N60W TO 19N61W TO 13N57W TO 13N56W TO 18N54W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER AREA WITHIN 20N50W TO 23N53W TO 20N61W TO 19N55W TO 13N56W TO 16N50W TO 20N50W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .ATLC WITHIN 28N70W TO 30N71W TO 30N74W TO 28N75W TO 26N74W TO 26N71W TO 28N70W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 30N59W TO 31N81W TO 26N80W TO 25N66W TO 26N59W TO 30N59W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. .24 HOUR FORECAST WITHIN 31N52W TO 31N66W TO 29N66W TO 27N62W TO 28N52W TO 31N52W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL. .48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .ATLC 24 HOUR FORECAST WITHIN 17N35W TO 14N39W TO 14N43W TO 10N41W TO 12N37W TO 12N35W TO 17N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. .48 HOUR FORECAST WITHIN 23N35W TO 14N50W TO 08N48W TO 10N35W TO 23N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. .ATLC 48 HOUR FORECAST WITHIN 31N79W TO 31N81W TO 30N82W TO 29N81W TO 30N80W TO 31N79W NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. .GULF OF AMERICA WITHIN 21N90W TO 22N92W TO 21N94W TO 20N94W TO 19N93W TO 20N91W TO 21N90W...INCLUDING WITHIN 60 NM OF COAST OF CAMPECHE... E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. $$ .FORECASTER AL. NATIONAL HURRICANE CENTER.
ocean.weather.gov
October 8, 2025 at 4:00 AM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 062131 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 2230 UTC MON OCT 06 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE CONTINUITY WHERE APPROPRIATE. SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 1800 UTC OCT 06. 24 HOUR FORECAST VALID 1800 UTC OCT 07. 48 HOUR FORECAST VALID 1800 UTC OCT 08. .WARNINGS. ...STORM WARNING... .LOW 60N67W 983 MB MOVING NE 25 KT. WITHIN 120 NM NE SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 2.5 M. .06 HOUR FORECAST LOW 62N62W 978 MB. WITHIN 240 NM SE...300 NM S AND 120 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS TO 3.5 M. .18 HOUR FORECAST LOW 65N55W 970 MB. WITHIN 120 NM SE...300 NM S AND 480 NM SW QUADRANTS WINDS 35 TO 50 KT. SEAS 3.5 TO 6 M...HIGHEST S AND SW OF CENTER. .24 HOUR FORECAST LOW N OF THE AREA 69N55W 977 MB. BETWEEN 120 NM AND 420 NM S AND 120 NM AND 480 NM SW QUADRANTS WINDS 30 TO 45 KT. SEAS 3.5 TO 6 M. ELSEWHERE N OF 60N W OF 50W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M IN MIXED SWELL. .48 HOUR FORECAST LOW WELL N OF THE AREA. N OF 63N W OF GREENLAND WINDS TO 25 KT. SEAS TO 3.5 M. ...STORM WARNING... .LOW NEAR 61N42W 991 MB MOVING NE 10 KT. WITHIN 120 NM NW OF A LINE FROM 52N51W TO 54N47W AND WITHIN 120 NM N AND NE OF A LINE FROM 58N45W TO 56N35W WINDS 30 TO 45 KT. SEAS 3.5 TO 6 M...HIGHEST NEAR 60N40W. ELSEWHERE FROM 52N TO 60N BETWEEN 35W AND 46W FROM 48N TO 58N W OF 46W WINDS 20 TO 30 KT. SEAS 2.5 TO 5.5 M IN MIXED SWELL. .24 HOUR FORECAST LOW NEAR 38N41W 992 MB. WITHIN 120 NM N OF A LINE FROM 59N44W TO 58N35W WINDS 30 TO 45 KT. SEAS 4 TO 5.5 M. ELSEWHERE FROM 50N TO 60N E OF 50W AND FROM 60N TO 62N E OF GREENLAND WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M IN MIXED SWELL. .42 HOUR FORECAST LOW NE OF THE AREA NEAR 67N28W. FROM 64N TO 66N E OF 38W WINDS 35 TO 50 KT. SEAS 4 TO 6 M...HIGHEST NEAR 35W. .48 HOUR FORECAST LOW WELL NE OF AREA NEAR 68N19W 975 MB. FROM 64N TO 66N E OF 38W WINDS 35 TO 50 KT. SEAS 4 TO 6 M. ELSEWHERE N OF 62N E OF GREENLAND AND FROM 59N TO 62N E OF 44W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ...GALE WARNING... .LOW 43N37W 1008 MB NEARLY STATIONARY. BETWEEN 60 NM AND 180 NM NW QUADRANT WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE FROM 37N TO 46N E OF 42W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .24 HOUR FORECAST LOW 43N37W 1016 MB. BETWEEN 120 NM AND 300 NM NE...90 NM AND 240 NM W AND 90 NM AND 180 NM NW QUADRANTS AND WITHIN 180 NM W OF A LINE FROM 34N47W TO 40N45W WINDS TO 25 KT. SEAS TO 3.5 M. .48 HOUR FORECAST LOW 43N38W 1012 MB. WITHIN 180 NM W OF A LINE FROM 39N38W TO 46N40W WINDS TO 25 KT. SEAS TO 3 M. .SYNOPSIS AND FORECAST. .S OF 34N W OF 68W AREA OF E WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST FROM 31N TO 34N BETWEEN 60W AND 75W AREA OF E WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST CONDITIONS DIMINISHED. .48 HOUR FORECAST LOW 56N53W 1000 MB. WITHIN 120 NM N OF A LINE FROM 57N45W TO 57N54W...WITHIN 540 NM E...480 NM SE AND 600 NM S QUADRANTS AND W AND NW OF A LINE FROM 46N52W TO 36N65W WINDS 20 TO 30 KT. SEAS TO 3 M. .24 HOUR FORECAST DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 51N TO 53N BETWEEN 47W AND 55W AND N OF 64N W OF GREENLAND. .48 HOUR FORECAST DENSE FOG FROM 51N TO 59N W OF 43W TO THE COASTS OF NEWFOUNDLAND AND LABRADOR. .FORECASTER FUTTERMAN. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 1800 UTC MON OCT 6. 24 HOUR FORECAST VALID 1800 UTC TUE OCT 7. 48 HOUR FORECAST VALID 1800 UTC WED OCT 8. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC WITHIN 29N69W TO 31N74W TO 31N80W TO 28N79W TO 26N70W TO 27N67W TO 29N69W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 19N38W TO 31N62W TO 31N81W TO 17N61W TO 08N55W TO 07N35W TO 19N38W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL. .24 HOUR FORECAST WITHIN 30N62W TO 31N81W TO 28N81W TO 25N76W TO 25N66W TO 27N62W TO 30N62W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL. .48 HOUR FORECAST WITHIN 31N51W TO 31N65W TO 27N63W TO 27N58W TO 28N53W TO 31N51W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .ATLC 24 HOUR FORECAST LOW PRES NEAR 12N44.5W 1010 MB. WITHIN 14N42W TO 14N44W TO 14N45W TO 12N44W TO 10N43W TO 12N42W TO 14N42W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 16N40W TO 17N44W TO 16N47W TO 14N48W TO 10N43W TO 12N40W TO 16N40W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 14N51.5W 1008 MB. WITHIN 16N49W TO 18N51W TO 16N53W TO 13N49W TO 15N49W TO 16N49W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M. ELSEWHERE WITHIN 17N46W TO 20N49W TO 19N53W TO 17N54W TO 13N51W TO 13N49W TO 17N46W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .ATLC 42 HOUR FORECAST WITHIN 17N35W TO 16N36W TO 15N36W TO 15N37W TO 14N37W TO 12N35W TO 17N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. .48 HOUR FORECAST WITHIN 18N35W TO 15N38W TO 14N40W TO 12N40W TO 12N35W TO 18N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER AL. NATIONAL HURRICANE CENTER. $$
ocean.weather.gov
October 7, 2025 at 2:00 AM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 052212 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 2230 UTC SUN OCT 05 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE CONTINUITY WHERE APPROPRIATE. SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 1800 UTC OCT 05. 24 HOUR FORECAST VALID 1800 UTC OCT 06. 48 HOUR FORECAST VALID 1800 UTC OCT 07. .WARNINGS. ...STORM WARNING... .LOW 49N37W 984 MB MOVING NE 40 KT. WITHIN 240 NM NW...W...AND S SEMICIRCLES WINDS 35 TO 50 KT. SEAS 4 TO 8 M. ALSO FROM 42N TO 54N E OF 45W WINDS 25 TO 35 KT. SEAS 3.5 TO 6.5 M. ELSEWHERE FROM 42N TO 53N E OF 54W WINDS TO 25 KT. SEAS 2.5 TO 4.5 M. .24 HOUR FORECAST LOW DISSIPATED E OF AREA. ASSOCIATED CONDITIONS DESCRIBED WITH LOW 42N38W BELOW. ...STORM WARNING... .COMPLEX LOW WITH FIRST CENTER NE OF AREA 66N30W 976 MB MOVING SE 15 KT THEN TURNING E AFTER 12 HOURS AND SECOND CENTER JUST E OF AREA 60N34W 990 MB MOVING SE 15 KT. FROM 56N TO 61N BETWEEN 40W AND 58W WINDS 35 TO 50 KT. SEAS 4 TO 6.5 M. ALSO FROM 54N TO 64N E OF 51W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE N OF 54N E OF 55W WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST COMPLEX LOW E OF AREA AND NEW LOW TO FORM NEAR 51N42W 992 MB. WITHIN 420 NM SE AND 240 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 6.5 M...HIGHEST NEAR 55N35W. ELSEWHERE N OF 50N E OF 50W WINDS TO 25 KT. SEAS TO 2.5 TO 5 M. .48 HOUR FORECAST COMPLEX LOW MOVED E OF AREA. ASSOCIATED CONDITIONS DESCRIBED WITH LOW 62N41W BELOW. ...STORM WARNING... .24 HOUR FORECAST NEW LOW INLAND NEAR 60N68W 980 MB. BETWEEN 540 NM AND 900 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS TO 3 M. ELSEWHERE N OF 50N W OF 45W WINDS LESS THAN 25 KT. SEAS TO 2.5 M. .30 HOUR FORECAST NEW LOW 62N63W 976 MB. WITHIN 180 NM S QUADRANT WINDS 35 TO 50 KT. SEAS TO 3 M. ELSEWHERE N OF 50N BETWEEN 50W AND CANADA WINDS 25 TO 35 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 67N55W 970 MB. WITHIN 120 NM SE SEMICIRCLE AND WITHIN 180W SW QUADRANT WINDS 40 TO 55 KT. SEAS 4 TO 7.5 M. ALSO N OF 59N W OF 51W WINDS 25 TO 40 KT. SEAS 3 TO 6 M. ELSEWHERE N OF 56N W OF 48W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M. ...GALE WARNING... .LOW 41N46W 1012 MB MOVING NE 20 KT. S OF 40N E OF 60W WINDS TO 25 KT. SEAS 2.5 TO 4 M. .18 HOUR FORECAST LOW 42N39W 1008 MB. WITHIN 180 NM NW SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 34N TO 47N E OF 48W WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW 42N38W 1008 MB. WITHIN 180 NM NW SEMICIRCLE AND 480 NM W QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 34N TO 50N E OF 41W WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER NEAR 44N37W 1016 MB AND SECOND CENTER NEAR 35N42W 1018 MB. WITHIN 180 NM NW SEMICIRCLE OF FIRST CENTER AND WITHIN 480 NM NW SEMICIRCLE OF SECOND CENTER WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 34N TO 50N E OF 51W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M. ...GALE WARNING... 48 HOUR FORECAST NEW LOW NEAR 62N41W 988 MB. WITHIN 540 NM SE AND 480 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE FROM 50N TO 63N E OF 50W WINDS TO 25 KT. SEAS 2.5 M TO 3.5 M. .SYNOPSIS AND FORECAST. .S OF 34N W OF 65W AREA OF E WINDS TO 25 KT. SEAS TO 3.5 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST S OF 33N W OF 60W AREA OF E WINDS TO 25 KT. SEAS TO 2.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 47N TO 54N E OF 43W. .24 HOUR FORECAST DENSE FOG FROM 39N TO 42N W OF 67W...AND FROM 60N TO 63N W OF 60W. .48 HOUR FORECAST DENSE FOG N OF 62N W OF GREENLAND...AND WITHIN 180 NM SE OF A LINE FROM 60N43W TO 55N48W TO 51N59W. .FORECASTER ANDERSON. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 1800 UTC SUN OCT 5. 24 HOUR FORECAST VALID 1800 UTC MON OCT 6. 48 HOUR FORECAST VALID 1800 UTC TUE OCT 7. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC WITHIN 29N69W TO 31N73W TO 31N76W TO 29N78W TO 26N74W TO 27N69W TO 29N69W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 31N37W TO 31N81W TO 13N59W TO 14N45W TO 31N37W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN N TO NE SWELL. .24 HOUR FORECAST WITHIN 29N69W TO 31N75W TO 31N80W TO 29N79W TO 27N75W TO 27N69W TO 29N69W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 20N35W TO 31N63W TO 29N81W TO 15N57W TO 07N52W TO 07N35W TO 20N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL. .48 HOUR FORECAST WITHIN 29N63W TO 31N75W TO 31N82W TO 28N80W TO 25N74W TO 25N68W TO 29N63W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL. .ATLC 36 HOUR FORECAST LOW PRES NEAR 10N40W 1009 MB. WITHIN 12N37W TO 14N39W TO 14N40W TO 11N41W TO 10N40W TO 09N38W TO 12N37W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 15N35W TO 16N37W TO 17N43W TO 13N44W TO 10N40W TO 10N37W TO 15N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 11N44W 1008 MB. WITHIN 13N41W TO 14N44W TO 12N44W TO 10N42W TO 10N41W TO 11N40W TO 13N41W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 15N38W TO 17N43W TO 14N46W TO 09N42W TO 11N40W TO 15N38W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER AL. NATIONAL HURRICANE CENTER. $$
ocean.weather.gov
October 5, 2025 at 11:58 PM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 051610 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1630 UTC SUN OCT 05 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE CONTINUITY WHERE APPROPRIATE. SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 1200 UTC OCT 05. 24 HOUR FORECAST VALID 1200 UTC OCT 06. 48 HOUR FORECAST VALID 1200 UTC OCT 07. .WARNINGS. ...STORM WARNING... .LOW 48N39W 984 MB MOVING NE 40 KT. WITHIN 180 NM S...W...AND NW SEMICIRCLES WINDS 35 TO 45 KT. SEAS 5 TO 8.5 M. ALSO FROM 41N TO 53N E OF 48W WINDS 25 TO 35 KT. SEAS 3.5 TO 6.5 M. ELSEWHERE S OF 54N E OF 54W WINDS TO 25 KT. SEAS 2.5 TO 4.5 M. .06 HOUR FORECAST LOW 49N37W 984 MB. WITHIN 240 NM NW AND S SEMICIRCLES WINDS 35 TO 50 KT. SEAS 4 TO 8 M. .24 HOUR FORECAST LOW E OF AREA NEAR 57N20W 990 MB. FROM 44N TO 50N E OF 50W WINDS TO 25 KT. SEAS 3 TO 5 M. .48 HOUR FORECAST LOW AND CONDITIONS E OF AREA. ...STORM WARNING... .LOW 61N37W 990 MB MOVING SE 15 KT. BETWEEN 120 NM AND 300 NM SW AND W QUADRANTS WINDS 35 TO 45 KT. SEAS 4 TO 6 M. ALSO FROM 54N TO 61N BETWEEN 35W AND 53W...AND WITHIN 300 NM N QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE FROM 54N TO 66N E OF 55W WINDS TO 25 KT. SEAS TO 3 M. .06 HOUR FORECAST WITHIN 180 NM EITHER SIDE OF A LINE FROM 57N40W TO 51N50W AREA OF NW WINDS 35 TO 50 KT. SEAS 4 TO 6.5 M. .24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER E OF AREA NEAR 63N29W 980 MB. BETWEEN 300 NM AND 720 NM SW QUADRANT WINDS 25 TO 40 KT. SEAS 3 TO 6.5 M...HIGHEST NEAR 55N35W. ELSEWHERE N OF 50N E OF 50W WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST COMPLEX LOW MOVED E OF AREA. ASSOCIATED CONDITIONS DESCRIBED WITH LOW 62N41W BELOW. ...STORM WARNING... .24 HOUR FORECAST N OF 52N BETWEEN 54W AND 61W AREA OF S WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M. .36 HOUR FORECAST NEW LOW 62N63W 976 MB. WITHIN 180 NM S QUADRANT WINDS 35 TO 50 KT. SEAS TO 3 M. ELSEWHERE N OF 50N BETWEEN 50W AND CANADA WINDS 25 TO 35 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 65N58W 964 MB. WITHIN 180 NM S SEMICIRCLE WINDS 35 TO 50 KT. SEAS 4 TO 7 M. ALSO N OF 59N W OF 51W WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE N OF 56N W OF 48W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M. ...GALE WARNING... .24 HOUR FORECAST NEW LOW 42N39W 1008 MB. WITHIN 180 NM NW SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 34N TO 47N E OF 48W WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 44N37W 1014 MB. WITHIN 180 NM NW SEMICIRCLE AND WITHIN 600 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE FROM 34N TO 50N E OF 51W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M. ...GALE WARNING... 48 HOUR FORECAST NEW LOW NEAR 62N41W 990 MB. WITHIN 540 NM SE AND 360 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE FROM 50N TO 63N E OF 50W WINDS TO 25 KT. SEAS 2.5 M TO 3.5 M. .SYNOPSIS AND FORECAST. .S OF 34N W OF 65W AREA OF E WINDS TO 25 KT. SEAS TO 3.5 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST S OF 33N W OF 60W AREA OF E WINDS TO 25 KT. SEAS TO 2.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 47N TO 54N E OF 43W. .24 HOUR FORECAST DENSE FOG FROM 39N TO 42N W OF 67W...AND FROM 60N TO 63N W OF 60W. .48 HOUR FORECAST DENSE FOG N OF 62N W OF GREENLAND...AND WITHIN 180 NM SE OF A LINE FROM 60N43W TO 55N48W TO 51N59W. .FORECASTER ANDERSON. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 1200 UTC SUN OCT 5. 24 HOUR FORECAST VALID 1200 UTC MON OCT 6. 48 HOUR FORECAST VALID 1200 UTC TUE OCT 7. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC WITHIN 31N67W TO 31N81W TO 26N79W TO 26N67W TO 31N67W...INCLUDING ATLANTIC EXPOSURES... E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 31N35W TO 30N81W TO 12N58W TO 14N45W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN N SWELL. .24 HOUR FORECAST WITHIN 31N68W TO 31N81W TO 29N80W TO 27N74W TO 26N65W TO 27N61W TO 31N68W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 22N35W TO 25N55W TO 29N58W TO 31N81W TO 07N54W TO 10N35W TO 22N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL. .48 HOUR FORECAST WITHIN 29N71W TO 29N74W TO 27N77W TO 26N75W TO 27N71W TO 27N69W TO 29N71W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 29N70W TO 31N74W TO 30N81W TO 28N80W TO 25N74W TO 28N62W TO 29N70W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. .ATLC 42 HOUR FORECAST LOW PRES NEAR 10N39.5W 1007 MB. WITHIN 13N37W TO 15N38W TO 14N40W TO 12N40W TO 10N39W TO 11N37W TO 13N37W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5. ELSEWHERE WITHIN 16N35W TO 19N42W TO 16N49W TO 10N48W TO 09N39W TO 11N35W TO 16N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 11.5N43.5W 1007 MB. WITHIN 15N39W TO 15N43W TO 13N43W TO 10N41W TO 10N39W TO 12N38W TO 15N39W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 16N35W TO 19N42W TO 14N48W TO 08N40W TO 12N36W TO 16N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .GULF OF AMERICA WITHIN 30N84W TO 30N86W TO 30N90W TO 29N90W TO 28N88W TO 29N84W TO 30N84W E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER AL. NATIONAL HURRICANE CENTER. $$
ocean.weather.gov
October 5, 2025 at 9:59 PM
OPC N Atlantic High Seas Forecast
FZNT01 KWBC 041622 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1630 UTC SAT OCT 04 2025 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT [email protected](LOWERCASE). FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE CONTINUITY WHERE APPROPRIATE. SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 1200 UTC OCT 04. 24 HOUR FORECAST VALID 1200 UTC OCT 05. 48 HOUR FORECAST VALID 1200 UTC OCT 06. .WARNINGS. ...STORM WARNING... .LOW 42N47W 980 MB MOVING NE 20 KT. WITHIN 180 NM S SEMICIRCLE WINDS 40 TO 50 KT. SEAS 8 TO 10 M. ALSO FROM 35N TO 50N E OF 57W WINDS 25 TO 40 KT. SEAS 4 TO 8 M. ELSEWHERE FROM 31N TO 52N E OF 60W WINDS TO 25 KT. SEAS 2.5 TO 5 M. .24 HOUR FORECAST LOW 42N41W 984 MB. WITHIN 180 NM SW AND W SEMICIRCLES WINDS 40 TO 50 KT. SEAS 7 TO 9 M. ALSO FROM 40N TO 55N E OF 51W WINDS 25 TO 40 KT. SEAS 3 TO 7 M. ELSEWHERE FROM 31N TO 55N E OF 60W WINDS TO 25 KT. SEAS 2.5 TO 4.5 M...EXCEPT WHERE DESCRIBED BELOW WITH LOW 41N47W. .48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL E OF AREA. ...GALE WARNING... .LOW 61N41W 993 MB MOVING NE 15 KT. FROM 53N TO 62N E OF 45W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .06 HOUR FORECAST LOW 63N37W 988 MB WITHIN 240 NM SW QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL E OF AREA. .48 HOUR FORECAST LOW 64N32W 976 MB. WITHIN 720 NM W QUADRANT...AND FROM 51N TO 58N E OF 60W WINDS 25 TO 40 KT. SEAS 2.5 TO 6.5 M...HIGHEST S OF 60N. ...GALE WARNING... .N OF 56N W OF 50W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. .24 HOUR FORECAST CONDITIONS DIMINISHED. ...GALE WARNING... .24 HOUR FORECAST NEW LOW 60N40W 992 MB. FROM 53N TO 62N E OF 62W...AND FROM 60N TO 65N E OF GREENLAND WINDS 25 TO 40 KT. SEAS 2.5 TO 6 M...HIGHEST S OF GREENLAND. .48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW 64N32W DESCRIBED ABOVE. ...GALE WARNING... .24 HOUR FORECAST NEW LOW 41N47W 1013 MB. WITHIN 240 NM SW AND W QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST LOW 41N40W 1008 MB. FROM 37N TO 47N E OF 47W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. .SYNOPSIS AND FORECAST. .S OF 34N W OF 70W WINDS 20 TO 30 KT. SEAS TO 4 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST N OF 65N W OF GREENLAND WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM E OF GREENLAND. .24 HOUR FORECAST DENSE FOG N OF 64N E OF GREENLAND. .48 HOUR FORECAST DENSE FOG N OF 63N W OF 58W. .FORECASTER BYRD. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA SYNOPSIS VALID 1200 UTC SAT OCT 4. 24 HOUR FORECAST VALID 1200 UTC SUN OCT 5. 48 HOUR FORECAST VALID 1200 UTC MON OCT 6. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC LOW PRES NEAR 24N76W 1009 MB. STATIONARY FRONT FROM 24.5N80.5W TO 24N76W TO 23N68.5W. WITHIN 30N74W TO 31N80W TO 29N81W TO 27N79W TO 26N74W TO 30N74W...INCLUDING ATLANTIC EXPOSURES...E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 31N69W TO 31N81W TO 28N80W TO 23N74W TO 21N70W TO 24N68W TO 31N69W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NE SWELL. .24 HOUR FORECAST STATIONARY FRONT FROM 24.5N80.5W TO 26N75W TO 23N68W. WITHIN 30N70W TO 31N81W TO 27N80W TO 28N76W TO 27N71W TO 29N69W TO 30N70W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 31N67W TO 31N71W TO 27N74W TO 27N79W TO 21N71W TO 25N69W TO 31N67W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL. .48 HOUR FORECAST STATIONARY FRONT FROM 24.5N80.5W TO 24N69W. WITHIN 30N62W TO 30N69W TO 31N81W TO 29N81W TO 25N68W TO 28N62W TO 30N62W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 29N57W TO 30N61W TO 26N69W TO 29N80W TO 23N72W TO 21N67W TO 29N57W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL. .ATLC AND CARIBBEAN STATIONARY FRONT FROM 23N68.5W TO 31N43W. WITHIN 31N36W TO 31N68W TO 21N71W TO 15N60W TO 18N48W TO 31N36W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 5.0 M IN NE TO NW SWELL. .24 HOUR FORECAST STATIONARY FRONT FROM 23N68W TO 31N41W. WITHIN 31N35W TO 31N66W TO 21N71W TO 13N58W TO 15N43W TO 31N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NE TO NW SWELL. .48 HOUR FORECAST STATIONARY FRONT FROM 24N69W TO 31N40W. WITHIN 31N35W TO 25N48W TO 25N61W TO 20N68W TO 07N54W TO 10N35W TO 31N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL. .GULF OF AMERICA LOW PRES NEAR 26.5N92W 1010 MB. STATIONARY FRONT FROM 26.5N92W TO 24.5N80.5W. WITHIN 30N85W TO 30N89W TO 29N89W TO 29N93W TO 28N93W TO 27N86W TO 30N85W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN E SWELL. .24 HOUR FORECAST LOW PRES NEAR 27N95.5W 1009 MB. WARM FRONT FROM 27N95.5W TO 29N93W TO 25.5N81W. WITHIN 30N85W TO 30N89W TO 29N89W TO 29N93W TO 28N93W TO 27N86W TO 30N85W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 M IN E SWELL. .33 HOUR FORECAST WARM FRONT N OF AREA. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER ADAMS. NATIONAL HURRICANE CENTER. $$
ocean.weather.gov
October 4, 2025 at 7:59 PM