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Hazardous Seas Warning
ActiveCoastal waters from Cape Shoalwater WA to Cape Falcon OR out 10 nm
Status
In Progress
Started about 1 hour ago
Ends
Issued
Severity
Moderate
Urgency
Expected
Certainty
Likely
Details
* WHAT...For the Hazardous Seas Warning, very steep and hazardous seas 11 to 16 ft at 15 seconds and south winds 15 to 25 kt with gusts up to 30 kt expected. For the Small Craft Advisory, seas 9 to 13 ft at 15 seconds and south winds 15 to 25 kt with gusts up to 30 kt expected. For the Gale Watch, seas 13 to 18 ft at 12 seconds and southeast winds 25 to 35 kt with gusts up to 40 kt possible.
* WHERE...Coastal waters from Cape Shoalwater WA to Cape Falcon OR out 10 NM.
* WHEN...Hazardous Seas Warning, until 7 AM PST Thursday. Small Craft Advisory, from 7 AM to 7 PM PST Thursday. Gale Watch, from Thursday evening through Friday afternoon.
* IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility.
Instructions
A Gale Watch is issued when the risk of gale force winds of 34 to 47 knots has significantly increased, but the specific timing and/or location is still uncertain. It is intended to provide additional lead time for mariners who may wish to consider altering their plans.
Data from the National Weather Service
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