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
Beach Hazards Statement issued November 30 at 6:33AM PST until December 2 at 8:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Increased threat of sneaker waves expected. A very long period swell rapidly building Monday will have set behavior with 10 to 20 minutes or longer between the largest waves. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coasts. * WHEN...From Monday morning through Tuesday morning. . * 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. * ADDITIONAL DETAILS...Large tidal swings will increase the threat when the tide is rapidly rising the morning.
November 30, 2025 at 2:45 PM
acv.nws-bot.us
Small Craft Advisory issued November 30 at 2:23AM PST until November 30 at 11:00PM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and seas 7 to 9 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...From 11 AM this morning to 11 PM PST this evening. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 6 to 8 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From 11 AM this morning to 3 PM PST Monday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 7 to 10 feet. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 3 PM PST Monday. * IMPACTS...Conditions will be hazardous to small craft.
November 30, 2025 at 10:30 AM
acv.nws-bot.us
Beach Hazards Statement issued November 29 at 10:48PM PST until December 2 at 8:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Increased threat of sneaker waves expected. A very long period swell rapidly building Monday will make surf on area beaches particularly high and unexpected even if seas otherwise seem calm. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coasts. * WHEN...From Monday morning through Tuesday morning. . * 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.
November 30, 2025 at 7:00 AM
acv.nws-bot.us
Small Craft Advisory issued November 29 at 10:41PM PST until November 30 at 11:00PM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and seas 7 to 10 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...From 11 AM to 11 PM PST Sunday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 6 to 8 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From 11 AM Sunday to 3 PM PST Monday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 6 to 11 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 3 PM PST Monday. * IMPACTS...Conditions will be hazardous to small craft.
November 30, 2025 at 6:45 AM
acv.nws-bot.us
Frost Advisory issued November 29 at 9:57PM PST until November 30 at 9:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Southeastern Mendocino Interior. * WHEN...Until 9 AM PST Sunday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
November 30, 2025 at 6:00 AM
acv.nws-bot.us
Small Craft Advisory issued November 29 at 3:01PM PST until November 30 at 11:00PM PST by NWS Eureka CA
Additional Details Here.
* WHAT...North winds 10 to 20 kt with gusts to 30 kt and seas 7 to 9 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...From 11 AM to 11 PM PST Sunday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 10 to 20 kt with gusts to 25 kt and seas 6 to 8 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From 11 AM Sunday to 3 PM PST Monday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 15 to 25 kt with gusts to 30 kt and seas 6 to 11 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...From 11 PM this evening to 3 PM PST Monday. * IMPACTS...Conditions will be hazardous to small craft.
November 29, 2025 at 11:15 PM
acv.nws-bot.us
Beach Hazards Statement issued November 29 at 12:50PM PST until November 29 at 6:00PM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...From noon today to 6 PM PST this 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. * WHAT...Increased threat of sneaker waves expected. * WHERE...Southwestern Humboldt County. * WHEN...From noon PST today through this 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. * WHAT...Increased threat of sneaker waves expected. * WHERE...Mendocino Coast County. * WHEN...From 1 PM PST this afternoon through this 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.
November 29, 2025 at 9:00 PM
acv.nws-bot.us
Small Craft Advisory issued November 29 at 10:51AM PST until December 1 at 3:00PM PST by NWS Eureka CA
Additional Details Here.
* WHAT...North winds 10 to 20 kt with gusts to 25 kt and seas 6 to 8 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From 11 AM Sunday to 3 PM PST Monday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 15 to 25 kt with gusts to 30 kt and seas 6 to 11 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...From 11 PM this evening to 3 PM PST Monday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 10 to 20 kt with gusts to 30 kt and seas 7 to 9 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...From 11 AM to 11 PM PST Sunday. * IMPACTS...Conditions will be hazardous to small craft.
November 29, 2025 at 7:00 PM
acv.nws-bot.us
Beach Hazards Statement issued November 29 at 6:16AM PST until November 29 at 6:00PM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...From noon today to 6 PM PST this 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. * WHAT...Increased threat of sneaker waves expected. * WHERE...Southwestern Humboldt County. * WHEN...From noon PST today through this 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. * WHAT...Increased threat of sneaker waves expected. * WHERE...Mendocino Coast County. * WHEN...From 1 PM PST this afternoon through this 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.
November 29, 2025 at 2:30 PM
acv.nws-bot.us
Small Craft Advisory issued November 29 at 2:25AM PST until November 30 at 11:00PM PST by NWS Eureka CA
Additional Details Here.
* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 7 to 9 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...From 11 AM to 11 PM PST Sunday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 15 to 20 kt with gusts up to 25 kt and seas 7 to 8 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From 11 AM to 11 PM PST Sunday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 7 to 11 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...From 11 PM this evening to 5 AM PST Monday. * IMPACTS...Conditions will be hazardous to small craft.
November 29, 2025 at 10:30 AM
acv.nws-bot.us
Frost Advisory issued November 28 at 11:27PM PST until November 29 at 9:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Southern Lake. * WHEN...Until 9 AM PST Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
November 29, 2025 at 7:30 AM
acv.nws-bot.us
Beach Hazards Statement issued November 28 at 10:33PM PST until November 29 at 6:00PM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Increased threat of sneaker waves expected. Waves with run up over 12 feet may impact beaches even if seas seem calm. * WHERE...Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...Saturday afternoon. * 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. * WHAT...Increased threat of sneaker waves expected. Waves with run up over 12 feet may impact beaches even if seas seem calm. * WHERE...Southwestern Humboldt County. * WHEN...From Saturday afternoon through Saturday 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. * WHAT...Increased threat of sneaker waves expected. Waves with run up over 12 feet may impact beaches even if seas seem calm. * WHERE...Mendocino Coast. * WHEN...From Saturday afternoon through Saturday 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.
November 29, 2025 at 6:45 AM
acv.nws-bot.us
Small Craft Advisory issued November 28 at 10:31PM PST until December 1 at 5:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 7 to 11 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...From 11 PM Saturday to 5 AM PST Monday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 7 to 9 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...From 11 AM to 11 PM PST Sunday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 15 to 20 kt with gusts up to 25 kt and seas 7 to 8 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From 11 AM to 11 PM PST Sunday. * IMPACTS...Conditions will be hazardous to small craft.
November 29, 2025 at 6:45 AM
acv.nws-bot.us
Small Craft Advisory issued November 28 at 11:48AM PST until November 30 at 11:00PM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Northwest winds 10 to 20 kt with gusts to 30 kt and seas 7 to 10 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm. * WHEN...From 11 AM to 11 PM PST Sunday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 15 to 25 kt with gusts to 30 kt and seas 8 to 9 feet expected. * WHERE...Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From 11 AM to 11 PM PST Sunday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 15 to 25 kt with gusts to 30 kt and seas 8 to 11 feet expected. * WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...From 11 PM Saturday to 11 PM PST Sunday. * IMPACTS...Conditions will be hazardous to small craft.
November 28, 2025 at 8:00 PM
acv.nws-bot.us
Beach Hazards Statement issued November 28 at 11:51AM PST until November 29 at 6:00PM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...Saturday afternoon. * 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. * WHAT...Increased threat of sneaker waves expected. * WHERE...Southwestern Humboldt County. * WHEN...From Saturday afternoon through Saturday 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. * WHAT...Increased threat of sneaker waves expected. * WHERE...Mendocino Coast County. * WHEN...From Saturday afternoon through Saturday 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.
November 28, 2025 at 8:00 PM
acv.nws-bot.us
Frost Advisory issued November 28 at 2:42AM PST until November 28 at 9:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Southeastern Mendocino Interior and Southern Lake. The coldest locations will be in the valleys. * WHEN...Until 9 AM PST this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
November 28, 2025 at 10:45 AM
acv.nws-bot.us
Small Craft Advisory issued November 28 at 2:18AM PST until November 28 at 9:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Seas 9 to 11 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 9 AM PST this morning. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...Seas 8 to 10 feet. * WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 9 AM PST this morning. * IMPACTS...Conditions will be hazardous to small craft.
November 28, 2025 at 10:30 AM
acv.nws-bot.us
Small Craft Advisory issued November 27 at 10:01PM PST until November 28 at 9:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Seas 9 to 11 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...Seas 8 to 10 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...Until 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
November 28, 2025 at 6:15 AM
acv.nws-bot.us
Small Craft Advisory issued November 27 at 2:56PM PST until November 28 at 9:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Steep seas 9 to 11 feet expected. * WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...Until 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...Steep seas 8 to 10 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...From 11 PM this evening to 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
November 27, 2025 at 11:00 PM
acv.nws-bot.us
Small Craft Advisory issued November 27 at 10:52AM PST until November 28 at 9:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Steep seas 9 to 11 feet expected. * WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From 3 PM this afternoon to 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...Steep seas 8 to 10 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...From 11 PM this evening to 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
November 27, 2025 at 7:00 PM
acv.nws-bot.us
Small Craft Advisory issued November 27 at 2:33AM PST until November 28 at 9:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Seas 9 to 11 feet expected. * WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From 3 PM Thursday to 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...Seas 8 to 10 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...From 11 PM Thursday to 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
November 27, 2025 at 10:45 AM
acv.nws-bot.us
Small Craft Advisory issued November 26 at 10:48PM PST until November 28 at 9:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Seas 9 to 11 feet expected. * WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From 3 PM Thursday to 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...Seas 8 to 10 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...From 11 PM Thursday to 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
November 27, 2025 at 7:00 AM
acv.nws-bot.us
Frost Advisory issued November 26 at 10:51PM PST until November 27 at 9:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Southern Mendocino Interior, Northern Trinity, Northwestern Mendocino Interior, and Southern Lake. * WHEN...From 2 AM to 9 AM PST Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
November 27, 2025 at 7:00 AM
acv.nws-bot.us
Small Craft Advisory issued November 26 at 2:46PM PST until November 28 at 9:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Seas 10 to 12 feet expected. * WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From 3 PM Thursday to 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...Northwest winds 10 to 15 kt and seas 9 to 11 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...From 11 PM Thursday to 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
November 26, 2025 at 11:00 PM
acv.nws-bot.us
Small Craft Advisory issued November 26 at 12:00PM PST until November 28 at 9:00AM PST by NWS Eureka CA
Additional Details Here.
* WHAT...Seas 10 to 12 feet expected. * WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St George to Cape Mendocino 10 to 60 nm. * WHEN...From 3 PM Thursday to 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...Northwest winds 10 to 15 kt and seas 9 to 11 feet expected. * WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape Mendocino to Pt Arena 10 to 60 nm. * WHEN...From 11 PM Thursday to 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
November 26, 2025 at 8:15 PM