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This hazardous seas warning is no longer in effect.
It expired
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It is kept here for reference only — do not rely on it for current conditions.
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Hazardous Seas Warning
ExpiredCoastal waters from Florence to Cape Blanco OR out 10 nm; Waters from Florence to Cape Blanco OR from 10 to 60 nm
Status
Ended
Started 32 minutes ago
Ends
expired
Issued
Severity
Moderate
Urgency
Expected
Certainty
Likely
Details
* WHAT...For the Small Craft Advisory, south winds 20 to 30 kt with gusts up to 35 kt and seas 12 to 16 ft at 14 seconds expected. For the Gale Watch, south winds 30 to 40 kt with gusts up to 50 kt and seas 20 to 25 ft at 15 seconds possible.
* WHERE...All areas.
* WHEN...For the Hazardous Seas Warning, until 4 PM PST this afternoon. For the Small Craft Advisory, from 4 PM this afternoon to 10 PM PST Thursday. For the Gale Watch, from Thursday evening through Friday evening.
* IMPACTS...Strong winds and very steep seas could capsize or damage vessels. Low visibility conditions are possible.
* ADDITIONAL DETAILS...Very steep, hazardous seas could reach 25 to 30 feet or higher late Friday into Saturday as a heavy long period swell continues to build in. Please stay tuned for updates on this high impact weather pattern.
* View the hazard area in detail at https://go.usa.gov/x6hks
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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