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Active official alertUpdated

Hazardous Seas Warning for Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm

Official alert fields

What you need to know

Effective
Ends or expires
Official severity
Moderate
Official urgency
Expected
Official certainty
Likely

What is happening

What: For the first Hazardous Seas Warning, very steep and hazardous seas 18 to 23 feet and south winds 20 to 25 kt with gusts up to 35 kt. For the Gale Warning, south winds 20 to 30 kt with gusts up to 45 kt and seas 16 to 20 feet expected. For the second Hazardous Seas Warning, very steep and hazardous seas 17 to...

What the bulletin says to do

Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions.

Full official description

Bulletin details

* WHAT...For the first Hazardous Seas Warning, very steep and hazardous seas 18 to 23 feet and south winds 20 to 25 kt with gusts up to 35 kt. For the Gale Warning, south winds 20 to 30 kt with gusts up to 45 kt and seas 16 to 20 feet expected. For the second Hazardous Seas Warning, very steep and hazardous seas 17 to 22 feet and west winds 5 to 15 kt expected. * WHERE...Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm. * WHEN...For the Hazardous Seas Warning, until 5 PM PST this afternoon. For the Gale Warning, until 3 AM PST Sunday. For the Hazardous Seas Warning, from 3 AM Sunday to 3 PM PST Monday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

4 captured
  1. Alert

    Hazardous Seas Warning issued November 14 at 2:47PM PST until November 16 at 3:00PM PST by NWS Eureka CA

    Official revision
  2. Alert

    Hazardous Seas Warning issued November 14 at 2:47PM PST until November 16 at 3:00PM PST by NWS Eureka CA

    Official revision
  3. Alert

    Hazardous Seas Warning issued November 14 at 2:47PM PST until November 16 at 3:00PM PST by NWS Eureka CA

    Official revision
  4. Alert

    Hazardous Seas Warning issued November 14 at 2:47PM PST until November 16 at 3:00PM PST by NWS Eureka CA

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Eureka CA. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Alert
Last collected
Methodology and corrections