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Alerts from NWS Guam (UNOFFICIAL)
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Rip Current Statement issued January 8 at 4:06AM ChST until January 8 at 4:00PM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Dangerous rip currents. * WHERE...East facing reefs of the Marianas. * WHEN...Until 4 PM ChST this afternoon. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.
January 7, 2026 at 6:15 PM
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High Surf Advisory issued January 7 at 3:00PM ChST until January 8 at 4:00AM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Large breaking waves of 7 to 9 feet and dangerous rip currents. * WHERE...For the High Surf Advisory, north facing reefs of the Marianas. For the High Risk of Rip Currents Statement, north and east facing reefs. * WHEN...For the High Surf Advisory, until 4 AM ChST Thursday. For the High Rip Current Risk, north facing reefs until 4 AM ChST Thursday, for east facing reefs until 4 PM ChST Thursday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Northerly swell associated with a shear line will continue to produce hazardous surf along north facing reefs tonight, possibly dropping below hazardous levels Thursday morning. The rip current risk will remain high tonight for north facing reefs and through Thursday afternoon for east facing reefs. * WHAT...Large breaking waves of 7 to 9 feet and dangerous rip currents. * WHERE...For the High Surf Advisory, north facing reefs of the Marianas. For the High Risk of Rip Currents Statement, north and east facing reefs. * WHEN...For the High Surf Advisory, until 4 AM ChST Thursday. For the High Rip Current Risk, north facing reefs until 4 AM ChST Thursday, for east facing reefs until 4 PM ChST Thursday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Northerly swell associated with a shear line will continue to produce hazardous surf along north facing reefs tonight, possibly dropping below hazardous levels Thursday morning. The rip current risk will remain high tonight for north facing reefs and through Thursday afternoon for east facing reefs.
January 7, 2026 at 5:15 AM
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High Surf Advisory issued January 7 at 2:46PM ChST until January 8 at 3:00AM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Large breaking waves of 7 to 9 ft. * WHERE...North and west facing reefs of Pohnpei. * WHEN...Until 3 AM ChST Thursday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. * ADDITIONAL DETAILS...Altimetry and buoy data show that NNW swell has started to decrease after peaking midday today. Surf remains hazardous, but should fall below hazardous levels of 9 ft early Thursday.
January 7, 2026 at 5:00 AM
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High Surf Advisory issued January 7 at 7:04AM ChST until January 8 at 3:00AM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Large breaking waves of 8 to 10 feet. * WHERE...North and west facing reefs of Pohnpei. * WHEN...Until 3 AM ChST Thursday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. * ADDITIONAL DETAILS...The North Point Pohnpei buoy shows that long- period NNW swell (in the 10-14sec period range) continues to rise with combined seas now exceeding model guidance by about a foot. As a result, surf along north and west facing reefs has increased to hazardous levels of at least 9 ft. This trend is expected to be short-lived with swell and surf peaking today before diminishing below hazardous levels of 9 ft tonight.
January 6, 2026 at 9:15 PM
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High Surf Advisory issued January 7 at 3:56AM ChST until January 7 at 4:00PM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Large breaking waves of 7 to 9 feet and dangerous rip currents. * WHERE...For the High Surf Advisory, north facing reefs of the Marianas. For the High Risk of Rip Currents Statement, north and east facing reefs. * WHEN...Until 4 PM ChST Wednesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Northerly swell associated with a shear line will continue to produce hazardous surf this morning, possibly dropping below hazardous levels this afternoon along north facing reefs. Rip risk remains high today for north and east facing reefs. * WHAT...Large breaking waves of 7 to 9 feet and dangerous rip currents. * WHERE...For the High Surf Advisory, north facing reefs of the Marianas. For the High Risk of Rip Currents Statement, north and east facing reefs. * WHEN...Until 4 PM ChST Wednesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Northerly swell associated with a shear line will continue to produce hazardous surf this morning, possibly dropping below hazardous levels this afternoon along north facing reefs. Rip risk remains high today for north and east facing reefs.
January 6, 2026 at 6:00 PM
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High Surf Advisory issued January 6 at 4:48PM ChST until January 7 at 5:00AM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Large breaking waves of 7 to 9 feet. * WHERE...West and north facing reefs of Chuuk. * WHEN...Until 5 AM ChST Wednesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. * ADDITIONAL DETAILS...Based on altimetry data and model guidance, the peak in the north-northwest swell occurred earlier today and will slowly be decreasing tonight. Based on latest model trends, surf is expected to drop below 9 feet along west and north facing reefs Wednesday morning.
January 6, 2026 at 7:00 AM
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High Surf Advisory issued January 6 at 3:46PM ChST until January 7 at 4:00PM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Large breaking waves of 7 to 9 feet and dangerous rip currents. * WHERE...For the High Surf Advisory, north facing reefs of the Marianas. For the High Risk of Rip Currents Statement, north and east facing reefs. * WHEN...Until 4 PM ChST Wednesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Northerly swell associated with a shear line will continue to produce hazardous surf overnight along north facing reefs, possibly dropping below hazardous levels early Wednesday. Rip risk remains high through Wednesday for north and east facing reefs. * WHAT...Large breaking waves of 7 to 9 feet and dangerous rip currents. * WHERE...For the High Surf Advisory, north facing reefs of the Marianas. For the High Risk of Rip Currents Statement, north and east facing reefs. * WHEN...Until 4 PM ChST Wednesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Northerly swell associated with a shear line will continue to produce hazardous surf overnight along north facing reefs, possibly dropping below hazardous levels early Wednesday. Rip risk remains high through Wednesday for north and east facing reefs.
January 6, 2026 at 6:00 AM
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High Surf Advisory issued January 6 at 7:03AM ChST until January 6 at 4:00PM ChST by NWS Tiyan GU
Additional Details Here.
Corrected Additional details. ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 4 PM CHST THIS AFTERNOON... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS AFTERNOON... * WHAT...Large breaking waves of 7 to 9 feet and dangerous rip currents. * WHERE...For the High Surf Advisory, north facing reefs of the Marianas. For the High Risk of Rip Currents Statement, north and east facing reefs. * WHEN...For the High Surf Advisory, until 4 PM ChST this afternoon. For the High Rip Current Risk, through this afternoon. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Northerly swell associated with a shear line will continue to produce hazardous surf today, then should diminish for tonight along north facing reefs, possibly dropping below hazardous levels this afternoon. However, surf will still be elevated through Tuesday night. Corrected Additional details. ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 4 PM CHST THIS AFTERNOON... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS AFTERNOON... * WHAT...Large breaking waves of 7 to 9 feet and dangerous rip currents. * WHERE...For the High Surf Advisory, north facing reefs of the Marianas. For the High Risk of Rip Currents Statement, north and east facing reefs. * WHEN...For the High Surf Advisory, until 4 PM ChST this afternoon. For the High Rip Current Risk, through this afternoon. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Northerly swell associated with a shear line will continue to produce hazardous surf today, then should diminish for tonight along north facing reefs, possibly dropping below hazardous levels this afternoon. However, surf will still be elevated through Tuesday night.
January 5, 2026 at 9:15 PM
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High Surf Advisory issued January 6 at 5:37AM ChST until January 7 at 5:00AM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Large breaking waves of 7 to 9 ft. * WHERE...West and north facing reefs of Chuuk. * WHEN...From 5 AM Tuesday to 5 AM ChST Wednesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. * ADDITIONAL DETAILS...Surf will quickly build up to 9 feet along west and north facing reefs with the arrival of the northwest to north swell Tuesday morning. The swell will then start to slowly decrease tonight. * WHAT...Large breaking waves of 7 to 9 feet. * WHERE...North facing reefs of Palau and Yap. * WHEN...Until 5 PM ChST this afternoon. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. * ADDITIONAL DETAILS...The primary swell direction is becoming more northerly. However, hazardous surf will continue along north facing reefs today as the north swell slowly diminishes, with surf expected to drop below 9 feet along north facing reefs this afternoon.
January 5, 2026 at 7:45 PM
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High Surf Advisory issued January 6 at 5:17AM ChST until January 6 at 4:00PM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Large breaking waves of 7 to 9 feet and dangerous rip currents. * WHERE...For the High Surf Advisory, north facing reefs of the Marianas. For the High Risk of Rip Currents Statement, north and east facing reefs. * WHEN...For the High Surf Advisory, until 4 PM ChST this afternoon. For the High Rip Current Risk, through this afternoon. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Northerly swell associated with a shear line will continue to produce hazardous surf today, then should diminish for tonight along north facing reefs, possibly dropping below hazardous levels early Tuesday morning. However, surf will still be elevated through Tuesday. The risk of rip currents will remain high through late tonight for north facing reefs and through Tuesday afternoon for east facing reefs. * WHAT...Large breaking waves of 7 to 9 feet and dangerous rip currents. * WHERE...For the High Surf Advisory, north facing reefs of the Marianas. For the High Risk of Rip Currents Statement, north and east facing reefs. * WHEN...For the High Surf Advisory, until 4 PM ChST this afternoon. For the High Rip Current Risk, through this afternoon. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Northerly swell associated with a shear line will continue to produce hazardous surf today, then should diminish for tonight along north facing reefs, possibly dropping below hazardous levels early Tuesday morning. However, surf will still be elevated through Tuesday. The risk of rip currents will remain high through late tonight for north facing reefs and through Tuesday afternoon for east facing reefs.
January 5, 2026 at 7:30 PM
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Rip Current Statement issued January 5 at 5:26PM ChST until January 6 at 6:00PM ChST by NWS Tiyan GU
Additional Details Here.
Corrected surf heights. ...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH TUESDAY AFTERNOON... ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM CHST TUESDAY... * WHAT...Large breaking waves of 8 to 11 feet and dangerous rip currents. * WHERE...For the High Surf Advisory, north facing reefs of the Marianas. For the High Risk of Rip Currents Statement, north and east facing reefs. * WHEN...For the High Surf Advisory, until 6 AM ChST Tuesday. For the High Rip Current Risk, through late tonight for north facing reefs and through Tuesday afternoon for east facing reefs. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Northerly swell associated with a shear line will continue to produce hazardous surf overnight along north facing reefs, possibly dropping below hazardous levels early Tuesday morning. However, surf will still be elevated through Tuesday. Rip risk remains high through late tonight for north facing reefs and through Tuesday afternoon for east facing reefs. Corrected surf heights. ...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH TUESDAY AFTERNOON... ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM CHST TUESDAY... * WHAT...Large breaking waves of 8 to 11 feet and dangerous rip currents. * WHERE...For the High Surf Advisory, north facing reefs of the Marianas. For the High Risk of Rip Currents Statement, north and east facing reefs. * WHEN...For the High Surf Advisory, until 6 AM ChST Tuesday. For the High Rip Current Risk, through late tonight for north facing reefs and through Tuesday afternoon for east facing reefs. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Northerly swell associated with a shear line will continue to produce hazardous surf overnight along north facing reefs, possibly dropping below hazardous levels early Tuesday morning. However, surf will still be elevated through Tuesday. Rip risk remains high through late tonight for north facing reefs and through Tuesday afternoon for east facing reefs.
January 5, 2026 at 7:30 AM
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High Surf Advisory issued January 5 at 5:07PM ChST until January 7 at 5:00AM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Large breaking waves of 7 to 9 ft. * WHERE...West and north facing reefs of Chuuk. * WHEN...From 5 AM Tuesday to 5 AM ChST Wednesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. * ADDITIONAL DETAILS...Surf will quickly build up to 9 feet along west and north facing reefs with the arrival of the northwest to north swell Tuesday morning. The swell will then start to slowly decrease late Tuesday evening and through the night. * WHAT...Large breaking waves of 8 to 10 feet. * WHERE...North facing reefs of Palau and Yap. * WHEN...Until 5 PM ChST Tuesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. * ADDITIONAL DETAILS...The primary swell direction is becoming more northerly, so surf along west facing reefs has dropped below 9 feet this afternoon. However, hazardous surf will continue along north facing reefs into Tuesday as the north swell slowly diminishes, with surf expected to drop below 9 feet along north facing reefs Tuesday afternoon.
January 5, 2026 at 7:15 AM
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Small Craft Advisory issued January 5 at 5:07PM ChST until January 6 at 6:00AM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...For Tinian and Saipan, northeast winds 15 to 25 kt. For Guam and Rota, east to northeast winds 10 to 15 kt with gusts to 25 kt. Seas 8 to 11 feet. * WHERE...Marianas Coastal Waters. * WHEN...Until 6 AM ChST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...A shear line is currently over Tinian and Saipan, bringing fresh to strong northeast winds through tonight. North to northwest swell is currently moving through the region, which brought a peak in sea heights earlier this afternoon and is expected to begin subsiding later tonight. Additionally, wind- driven waves are expected to decrease slightly, which may allow for combined seas to subside below hazardous levels of 10 feet as early as Tuesday morning.
January 5, 2026 at 7:15 AM
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Rip Current Statement issued January 5 at 3:47PM ChST until January 6 at 6:00PM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Large breaking waves of 7 to 10 feet and dangerous rip currents. * WHERE...For the High Surf Advisory, north facing reefs of the Marianas. For the High Risk of Rip Currents Statement, north and east facing reefs. * WHEN...For the High Surf Advisory, until 6 AM ChST Tuesday. For the High Rip Current Risk, through late tonight for north facing reefs and through Tuesday afternoon for east facing reefs. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Northerly swell associated with a shear line will continue to produce hazardous surf overnight along north facing reefs, possibly dropping below hazardous levels early Tuesday morning. However, surf will still be elevated through Tuesday. Rip risk remains high through late tonight for north facing reefs and through Tuesday afternoon for east facing reefs. * WHAT...Large breaking waves of 7 to 10 feet and dangerous rip currents. * WHERE...For the High Surf Advisory, north facing reefs of the Marianas. For the High Risk of Rip Currents Statement, north and east facing reefs. * WHEN...For the High Surf Advisory, until 6 AM ChST Tuesday. For the High Rip Current Risk, through late tonight for north facing reefs and through Tuesday afternoon for east facing reefs. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Northerly swell associated with a shear line will continue to produce hazardous surf overnight along north facing reefs, possibly dropping below hazardous levels early Tuesday morning. However, surf will still be elevated through Tuesday. Rip risk remains high through late tonight for north facing reefs and through Tuesday afternoon for east facing reefs.
January 5, 2026 at 6:00 AM
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Coastal Flood Statement issued January 5 at 2:30PM ChST until January 6 at 3:00AM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Isolated minor coastal flooding. * WHERE...North and east facing shorelines of Majuro. * WHEN...Through 3 AM ChST Tuesday. * IMPACTS...Some water on low lying roads and property. * ADDITIONAL DETAILS...Minor inundation along northern and eastern shorelines is expected during high tides through tonight. High tides are now decreasing and should drop low enough to allow the Coastal Flood Statement to expire by 3 AM Tuesday.
January 5, 2026 at 4:45 AM
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High Surf Advisory issued January 5 at 4:46AM ChST until January 6 at 5:00PM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Large breaking waves of 8 to 10 feet. * WHERE...West and north facing reefs of Palau and Yap. * WHEN...Until 5 PM ChST Tuesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. * ADDITIONAL DETAILS...An ongoing northwest to north swell will maintain surf along west and north facing reefs today. Hazardous surf of 8 to 10 feet will continue along north facing reefs through Tuesday, but may drop earlier along west facing reefs as the primary swell direction veers toward north and then maybe northeast.
January 4, 2026 at 7:00 PM
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Small Craft Advisory issued January 5 at 4:09AM ChST until January 6 at 6:00AM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and seas 7 to 10 feet expected. * WHERE...Tinian and Saipan Coastal Waters. * WHEN...Through at least 6 AM ChST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...A fast-moving shear line is expected to move into the region this morning. This will cause a significant (3 to 4 foot) increase in seas in a short time frame. With how fast this is coming in and how high the seas are projected to become projected to become, caution is advised. * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas 7 to 10 feet expected. * WHERE...Guam and Rota Coastal Waters. * WHEN...From 6 AM Monday to 6 AM ChST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...A fast-moving shear line is expected to move into the region this afternoon. This will cause a significant (3 to 4 foot) increase in seas in a short time frame. With how fast this is coming in and how high the seas is projected to become, become, caution is advised.
January 4, 2026 at 6:15 PM
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High Surf Advisory issued January 5 at 4:02AM ChST until January 6 at 6:00AM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Large breaking waves of 8 to 10 feet and dangerous rip currents. * WHERE...For the High Surf Advisory, north facing reefs of the Marianas. For the High Risk of Rip Currents statement, north and east facing reefs. * WHEN...From 10 PM this evening to 6 AM ChST Tuesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...A fast-moving shear line is expected to move into the region around 10 PM or so tonight. This will cause a significant (3 to 6 foot) increase in surf in a short time frame. With how fast this is coming in and how high the surf is projected to become, caution is advised. * WHAT...Large breaking waves of 8 to 10 feet and dangerous rip currents. * WHERE...For the High Surf Advisory, north facing reefs of the Marianas. For the High Risk of Rip Currents statement, north and east facing reefs. * WHEN...From 10 PM this evening to 6 AM ChST Tuesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...A fast-moving shear line is expected to move into the region around 10 PM or so tonight. This will cause a significant (3 to 6 foot) increase in surf in a short time frame. With how fast this is coming in and how high the surf is projected to become, caution is advised.
January 4, 2026 at 6:15 PM
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Coastal Flood Statement issued January 5 at 2:46AM ChST until January 6 at 3:00AM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Isolated minor coastal flooding. * WHERE...North and east facing shorelines of Majuro. * WHEN...Through late tonight. * IMPACTS...Some water on low lying roads and property. * ADDITIONAL DETAILS...Minor inundation along northern and eastern shorelines is expected during high tides through late tonight.
January 4, 2026 at 5:00 PM
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Small Craft Advisory issued January 4 at 5:35PM ChST until January 6 at 6:00AM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and seas 7 to 10 feet expected. * WHERE...Tinian and Saipan Coastal Waters. * WHEN...From 10 PM this evening to 6 AM ChST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...A fast-moving shear line is expected to move into the region around 10 PM or so tonight. This will cause a significant (3 to 4 foot) increase in seas in a short time frame. With how fast this is coming in and how high the seas is projected to become, caution is advised. * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas 7 to 10 feet expected. * WHERE...Guam and Rota Coastal Waters. * WHEN...From 6 AM Monday to 6 AM ChST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...A fast-moving shear line is expected to move into the region around 6 am or so Monday. This will cause a significant (3 to 4 foot) increase in seas in a short time frame. With how fast this is coming in and how high the seas is projected to become, caution is advised. .
January 4, 2026 at 7:45 AM
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High Surf Advisory issued January 4 at 4:53PM ChST until January 6 at 5:00PM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Large breaking waves of 8 to 10 feet. * WHERE...West and north facing reefs of Palau and Yap. * WHEN...Until 5 PM ChST Tuesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. * ADDITIONAL DETAILS...An incoming northwest to north swell will quickly build surf along west and north facing reefs this evening. Hazardous surf around 9 feet will continue along north facing reefs through Tuesday, but may drop earlier along west facing reefs as the primary swell direction becomes more north and then north to northeast.
January 4, 2026 at 7:00 AM
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High Surf Advisory issued January 4 at 3:54PM ChST until January 6 at 6:00AM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Large breaking waves of 7 to 10 feet and dangerous rip currents. * WHERE...For the High Surf Advisory, north facing reefs of the Marianas. For the High Risk of Rip Currents statement, north and east facing reefs. * WHEN...From 10 PM this evening to 6 AM ChST Tuesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...A fast-moving shear line is expected to move into the region around 10 PM or so tonight. This will cause a significant (3 to 6 foot) increase in surf in a short time frame. With how fast this is coming in and how high the surf is projected to become, caution is advised. * WHAT...Large breaking waves of 7 to 10 feet and dangerous rip currents. * WHERE...For the High Surf Advisory, north facing reefs of the Marianas. For the High Risk of Rip Currents statement, north and east facing reefs. * WHEN...From 10 PM this evening to 6 AM ChST Tuesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...A fast-moving shear line is expected to move into the region around 10 PM or so tonight. This will cause a significant (3 to 6 foot) increase in surf in a short time frame. With how fast this is coming in and how high the surf is projected to become, caution is advised.
January 4, 2026 at 6:00 AM
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Coastal Flood Statement issued January 4 at 3:08PM ChST until January 6 at 3:00AM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Isolated minor coastal flooding. * WHERE...North and east facing shorelines of Majuro. * WHEN...Through late Monday night. * IMPACTS...Some water on low lying roads and property. * ADDITIONAL DETAILS...Minor inundation along northern and eastern shorelines is expected during times of high tide through late Monday night.
January 4, 2026 at 5:15 AM
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High Surf Advisory issued January 4 at 3:58AM ChST until January 6 at 5:00PM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Large breaking waves of 8 to 10 feet. * WHERE...West and north facing reefs of Palau and Yap. * WHEN...From 5 PM Sunday to 5 PM ChST Tuesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. * ADDITIONAL DETAILS...An incoming northwest to north swell, generated by strong winds behind a cold front near Japan, will quickly build surf along west and north facing reefs Sunday afternoon. Hazardous surf around 9 feet will continue through Tuesday as the swell will be slow to subside.
January 3, 2026 at 6:00 PM
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Coastal Flood Statement issued January 4 at 2:22AM ChST until January 6 at 3:00AM ChST by NWS Tiyan GU
Additional Details Here.
* WHAT...Isolated minor coastal flooding. * WHERE...North and east facing shorelines of Majuro. * WHEN...Through late Monday night. * IMPACTS...Some water on low lying roads and property. * ADDITIONAL DETAILS...Minor inundation along northern and eastern shorelines is expected during times of high tide through late Monday night. The highest high tide for this full moon cycle is expected this afternoon.
January 3, 2026 at 4:30 PM