Get Forecast Bar
Weather alerts on your iPhone
Back to All Alerts
Hazardous Seas Warning
ActiveCoastal waters from Cape Mendocino to Pt. Arena CA out 10 nm
Status
In Progress
Started about 1 hour ago
Ends
Issued
Severity
Moderate
Urgency
Expected
Certainty
Likely
Details
* WHAT...For the first Hazardous Seas Warning, very steep and hazardous seas 19 to 24 feet and south winds 15 to 25 kt with gusts up to 35 kt. For the Gale Warning, south winds 20 to 30 kt with gusts up to 40 kt and seas 16 to 21 feet expected. For the second Hazardous Seas Warning, very steep and hazardous seas 16 to 21 feet and southwest winds 5 to 15 kt with gusts up to 25 kt expected.
* WHERE...Coastal waters from Cape Mendocino to Pt. Arena CA out 10 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.
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