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Hazardous Seas Warning
ActiveCoastal waters from Cape Shoalwater WA to Cape Falcon OR out 10 nm; Coastal waters from Cape Falcon to Cape Foulweather OR out 10 nm; Coastal waters from Cape Foulweather to Florence OR out 10 nm
Starts
Ends
Issued
Severity
Moderate
Urgency
Expected
Certainty
Likely
Details
* WHAT...For the first Hazardous Seas Warning, very steep and hazardous seas 18 to 23 ft at 17 seconds and south winds 25 to 35 kt with gusts up to 40 kt. For the Storm Warning, seas 16 to 21 ft at 15 seconds and south winds 30 to 40 kt with gusts up to 50 kt expected. For the second Hazardous Seas Warning, very steep and hazardous seas 17 to 22 ft at 17 seconds and south winds 20 to 30 kt with gusts up to 35 kt expected.
* WHERE...Inner Coastal Waters from Cape Shoalwater to Florence out 10 NM.
* WHEN...Hazardous Seas Warning, until 4 PM PST this afternoon. Storm Warning, from 4 PM this afternoon to 4 AM PST Sunday. Hazardous Seas Warning, from 4 AM Sunday to 4 AM PST Monday.
* IMPACTS...Very strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.
Instructions
A Storm Warning means winds of 48 to 63 knots are imminent or occurring. Recreational boaters should remain in port, or take shelter until winds and waves subside. Commercial vessels should prepare for very strong winds and dangerous sea conditions, and consider remaining in port or taking shelter in port until winds and waves subside.
Data from the National Weather Service
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