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Hazardous Seas Warning
ActiveWaters from Cape Shoalwater WA to Cape Falcon OR from 10 to 60 nm; Waters from Cape Falcon to Cape Foulweather OR from 10 to 60 nm; Waters from Cape Foulweather to Florence OR from 10 to 60 nm
Starts
Ends
Issued
Severity
Moderate
Urgency
Expected
Certainty
Likely
Details
* WHAT...For the Gale Warning, seas 18 to 25 ft at 11 to 12 seconds and south winds 25 to 30 kt with gusts up to 35 kt. For the Hazardous Seas Warning, very steep and hazardous seas 23 to 28 ft at 18 to 20 seconds and south winds 20 to 30 kt with isolated gusts up to 35 kt. For the Storm Warning, seas 18 to 21 ft at 14 to 15 seconds and south winds 30 to 40 kt with gusts up to 55 kt expected.
* WHERE...Outer Coastal Waters from Cape Shoalwater to Florence 10 to 60 NM offshore.
* WHEN...Gale Warning, until 7 PM PST this evening. Hazardous Seas Warning, from 7 PM this evening to 1 PM PST Saturday. Storm Warning, from 1 PM Saturday to 4 AM PST Sunday.
* 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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