Alerts from NWS Eureka CA (UNOFFICIAL)
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acv.nws-bot.us
Alerts from NWS Eureka CA (UNOFFICIAL)
@acv.nws-bot.us
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Unofficial bot sharing alerts from NWS Eureka CA.

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acv.nws-bot.us
Small Craft Advisory issued December 12 at 2:52PM PST until December 13 at 3:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Seas 5 to 7 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 3 AM PST Saturday. * IMPACTS...Conditions will be hazardous to small craft.
December 12, 2025 at 11:00 PM
acv.nws-bot.us
Small Craft Advisory issued December 12 at 12:43PM PST until December 13 at 3:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Seas 6 to 9 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 3 AM PST Saturday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 5 to 15 kt and seas around 8 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 3 PM PST this afternoon. * IMPACTS...Conditions will be hazardous to small craft.
December 12, 2025 at 10:45 PM
acv.nws-bot.us
Small Craft Advisory issued December 12 at 4:41AM PST until December 13 at 3:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...North winds 10 to 15 kt and steep seas 6 to 9 feet. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 3 AM PST Saturday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 10 to 20 kt with gusts to 25 kt and seas 8 to 11 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 3 PM PST this afternoon. * IMPACTS...Conditions will be hazardous to small craft.
December 12, 2025 at 1:00 PM
acv.nws-bot.us
The Small Craft Advisory has been cancelled.
Additional Details Here.
The Small Craft Advisory has been cancelled and is no longer in effect. * WHAT...North winds 10 to 15 kt and seas 6 to 9 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From 3 AM Friday to 3 AM PST Saturday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 10 to 20 kt with gusts up to 25 kt and seas 8 to 11 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 3 PM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
December 12, 2025 at 7:15 AM
acv.nws-bot.us
Small Craft Advisory issued December 11 at 2:47PM PST until December 12 at 3:00PM PST by NWS Eureka CA
Additional Details Here.
* WHAT...North winds 10 to 15 kt and seas 8 to 9 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From 3 AM to 3 PM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 8 to 11 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 3 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 8 to 12 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 3 PM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
December 11, 2025 at 11:00 PM
acv.nws-bot.us
Small Craft Advisory issued December 11 at 9:44AM PST until December 12 at 3:00PM PST by NWS Eureka CA
Additional Details Here.
* WHAT...North winds 10 to 15 kt and seas 8 to 9 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From 3 AM to 3 PM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and seas 8 to 11 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 3 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 9 to 12 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 3 PM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
December 11, 2025 at 6:00 PM
acv.nws-bot.us
Dense Fog Advisory issued December 11 at 9:06AM PST until December 11 at 10:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Visibility one quarter mile or less in patchy dense fog. * WHERE...Patchy Dense fog up the Eel River Valley. * WHEN...Until 10 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
December 11, 2025 at 5:15 PM
acv.nws-bot.us
Dense Fog Advisory issued December 11 at 7:36AM PST until December 11 at 10:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Visibility one quarter mile or less in patchy dense fog. * WHERE...Patchy Dense fog around Humboldt Bay and up the Eel River Valley. * WHEN...Until 10 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
December 11, 2025 at 3:45 PM
acv.nws-bot.us
Small Craft Advisory issued December 11 at 3:19AM PST until December 12 at 3:00PM PST by NWS Eureka CA
Additional Details Here.
* WHAT...North winds 10 to 15 kt and seas 8 to 9 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From 3 AM to 3 PM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 10 to 20 kt with gusts to 30 kt and seas 8 to 11 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 3 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 10 to 20 kt with gusts to 30 kt and seas 9 to 12 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 3 PM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
December 11, 2025 at 11:30 AM
acv.nws-bot.us
Dense Fog Advisory issued December 11 at 12:00AM PST until December 11 at 10:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Visibility less than one mile in dense fog. * WHERE...Northern Humboldt Coast. * WHEN...Until 10 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
December 11, 2025 at 8:15 AM
acv.nws-bot.us
Beach Hazards Statement issued December 10 at 11:02PM PST until December 11 at 7:00PM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...From 10 AM PST Thursday through Thursday evening. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath.
December 11, 2025 at 7:15 AM
acv.nws-bot.us
Small Craft Advisory issued December 10 at 10:00PM PST until December 12 at 3:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 8 to 11 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 3 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 10 to 15 kt and seas 8 to 9 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From 3 AM to 3 PM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 8 to 12 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 3 PM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
December 11, 2025 at 6:15 AM
acv.nws-bot.us
Beach Hazards Statement issued December 10 at 3:01PM PST until December 11 at 7:00PM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...From Thursday morning through Thursday evening. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath.
December 10, 2025 at 11:15 PM
acv.nws-bot.us
Small Craft Advisory issued December 10 at 2:36PM PST until December 12 at 3:00PM PST by NWS Eureka CA
Additional Details Here.
* WHAT...North winds 10 to 15 kt and seas 7 to 9 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From 3 AM to 3 PM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 8 to 10 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...Until 10 AM PST Thursday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 8 to 11 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 3 PM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
December 10, 2025 at 10:45 PM
acv.nws-bot.us
Small Craft Advisory issued December 10 at 10:57AM PST until December 12 at 3:00PM PST by NWS Eureka CA
Additional Details Here.
* WHAT...North winds 10 to 15 kt and seas 7 to 9 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From 3 AM to 3 PM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 8 to 11 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...From 3 PM this afternoon to 3 PM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 8 to 10 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...From 3 PM this afternoon to 10 AM PST Thursday. * IMPACTS...Conditions will be hazardous to small craft.
December 10, 2025 at 7:00 PM
acv.nws-bot.us
Small Craft Advisory issued December 10 at 9:25AM PST until December 11 at 10:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 8 to 10 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...From 3 PM this afternoon to 10 AM PST Thursday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 8 to 11 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...From 3 PM this afternoon to 2 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
December 10, 2025 at 5:30 PM
acv.nws-bot.us
Small Craft Advisory issued December 10 at 2:27AM PST until December 11 at 10:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 8 to 10 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...From 3 PM this afternoon to 10 AM PST Thursday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 8 to 11 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...From 3 PM this afternoon to 2 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
December 10, 2025 at 10:30 AM
acv.nws-bot.us
Small Craft Advisory issued December 9 at 10:33PM PST until December 11 at 10:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...North winds 5 to 15 kt with gusts up to 25 kt and seas 8 to 10 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...From 3 PM Wednesday to 10 AM PST Thursday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 10 to 20 kt with gusts up to 25 kt and seas 8 to 11 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...From 3 PM Wednesday to 2 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
December 10, 2025 at 6:45 AM
acv.nws-bot.us
Small Craft Advisory issued December 9 at 6:19PM PST until December 11 at 10:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 8 to 10 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...From 3 PM Wednesday to 10 AM PST Thursday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 15 to 20 kt with gusts up to 30 kt and seas 8 to 11 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...From 3 PM Wednesday to 2 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
December 10, 2025 at 2:30 AM
acv.nws-bot.us
Small Craft Advisory issued December 9 at 2:49PM PST until December 11 at 10:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 8 to 10 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...From 3 PM Wednesday to 10 AM PST Thursday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 15 to 20 kt with gusts up to 30 kt and seas 8 to 11 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...From 3 PM Wednesday to 2 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
December 9, 2025 at 11:00 PM
acv.nws-bot.us
Beach Hazards Statement issued December 9 at 11:21AM PST until December 11 at 7:00PM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...From Thursday morning through Thursday evening. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath.
December 9, 2025 at 7:30 PM
acv.nws-bot.us
Small Craft Advisory issued December 9 at 11:18AM PST until December 11 at 10:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 8 to 10 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...From 3 PM Wednesday to 10 AM PST Thursday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 15 to 20 kt with gusts up to 30 kt and seas 8 to 11 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...From 3 PM Wednesday to 2 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
December 9, 2025 at 7:30 PM
acv.nws-bot.us
Coastal Flood Advisory issued December 6 at 9:37AM PST until December 6 at 1:00PM PST by NWS Eureka CA
Additional Details Here.
* WHAT...High astronomical tides will cause minor flooding in low lying areas around Humboldt Bay. Up to one half foot of saltwater inundation above ground level is possible near shorelines and tidal waterways. Between 8.9 and 9.2 feet MLLW at the North Spit tide gauge is predicted. * WHERE...Northern Humboldt Coast County. * WHEN...From 10 AM to 1 PM PST Saturday. High tide is at 11:44 AM at the Humboldt Bay North Spit tide gauge. Saltwater inundation will be possible 1 to 2 hours before and after high tide. * IMPACTS...Flooding of low lying areas around Humboldt Bay including parks and roads with only isolated closures expected. Flooding will likely impact Jackson Ranch Road in the Arcata Bottoms and several roads in King Salmon.
December 6, 2025 at 5:45 PM
acv.nws-bot.us
Dense Fog Advisory issued December 6 at 8:44AM PST until December 6 at 10:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Visibility less than one mile in dense fog. * WHERE...Northern Humboldt Coast. * WHEN...Until 10 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
December 6, 2025 at 5:00 PM
acv.nws-bot.us
Dense Fog Advisory issued December 6 at 6:57AM PST until December 6 at 9:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Visibility less than one mile in dense fog. * WHERE...Northern Humboldt Coast. * WHEN...Until 9 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
December 6, 2025 at 3:00 PM