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Hazardous Seas Warning
ActiveCoastal waters from Cape Mendocino to Pt. Arena CA out 10 nm
Starts
Ends
Issued
Severity
Moderate
Urgency
Expected
Certainty
Likely
Details
* WHAT...For the Gale Warning, south winds 20 to 30 kt with gusts up to 40 kt and seas 12 to 16 feet. For the Hazardous Seas Warning, very steep and hazardous seas 13 to 18 feet and west winds 5 to 15 kt expected.
* WHERE...Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm.
* WHEN...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
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