Get Forecast Bar
Weather alerts on your iPhone
Back to All Alerts
Hazardous Seas Warning
ActiveWaters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm
Starts
Ends
Issued
Severity
Moderate
Urgency
Expected
Certainty
Likely
Details
* WHAT...For the Gale Warning, southwest winds 15 to 25 kt with gusts up to 35 kt and seas 13 to 15 feet. For the Hazardous Seas Warning, very steep and hazardous seas 23 to 28 feet and southwest winds 15 to 25 kt with gusts up to 35 kt expected.
* WHERE...Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm.
* WHEN...For the Gale Warning, until 3 PM PST this afternoon. For the Hazardous Seas Warning, from 3 PM this afternoon to 9 PM PST Saturday.
* IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.
Instructions
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.
Data from the National Weather Service
Service provided by Forecast Bar