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Hazardous Seas Warning

Active

Coastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm; Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm

Status In Progress Started 21 minutes ago
Ends
Issued
Severity Moderate
Urgency Expected
Certainty Likely

Details

* WHAT...South winds 20 to 30 kt and very steep and hazardous seas of 16 to 25 ft building to 25 to 30 ft at 19 seconds this evening and tonight. Very steep, hazardous seas 22 to 25 kt at 18 seconds Saturday morning. Then, south winds 30 to 40 kt with gusts 45 to 55 kt and very steep, hazardous, combined seas 19 to 24 ft due to a mix of wind seas and west swell at 16 seconds.
* WHERE...All the area.
* WHEN...For the Hazardous Seas Warning, until 1 PM PST Saturday. For the Storm Warning, from 1 PM Saturday to 1 AM PST Sunday.
* IMPACTS...Very strong winds and very steep seas could capsize or damage vessels. Visibilities will be significantly reduced.
* ADDITIONAL DETAILS...Another strong front will move in late Saturday and Saturday night with the potential for storm force winds and very steep and hazardous seas. This front will be followed by another round of very high westerly swell Sunday into Monday. Please continue to monitor the forecast for updates on this high impact weather pattern.

Instructions

Mariners should remain in port, alter course, and/or secure the vessel for very strong winds and very steep and hazardous seas.
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