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Hazardous Seas Warning
ActiveCoastal waters from Florence to Cape Blanco OR out 10 nm; Coastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm; Waters from Florence to Cape Blanco OR from 10 to 60 nm; Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm
Status
In Progress
Started about 1 hour ago
Ends
Issued
Severity
Moderate
Urgency
Expected
Certainty
Likely
Details
* WHAT...South to southwest winds 15 to 25 kt with very steep and hazardous swell dominated seas 17 to 22 ft at 16 seconds. Swell dominated seas lower late Monday into Tuesday, but remain steep and hazardous 13 to 18 ft. Conditions worsen again Tuesday afternoon. South winds increase to possible gales 30 to 40 kt with gusts up to 45 kt and seas possibly become very steep and hazardous 12 to 16 ft.
* WHERE...All areas.
* WHEN...For the Hazardous Seas Warning, until 4 PM PST Monday. For the Small Craft Advisory, from 4 PM Monday to 1 PM PST Tuesday. For the Gale Watch, from Tuesday afternoon through late Tuesday night.
* IMPACTS...Strong winds and very steep seas could capsize or damage vessels. Low visibility conditions are possible.
Instructions
Mariners should consider altering plans to avoid strong winds and very steep seas. 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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