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Hazardous Seas Warning

Active

Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm

Status In Progress Started 35 minutes ago
Ends
Issued
Severity Moderate
Urgency Expected
Certainty Likely

Details

* WHAT...For the Hazardous Seas Warning, very steep and hazardous seas 17 to 22 feet and south winds 10 to 20 kt with gusts up to 30 kt. For the Gale Warning, south winds 20 to 30 kt with gusts up to 40 kt and seas 14 to 19 feet 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, from 5 PM this afternoon to 3 AM PST Sunday.
* 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.
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Data from the National Weather Service
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