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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 Gale Warning, seas 22 to 27 ft at 20 seconds and south winds 25 to 30 kt with gusts up to 40 kt. For the Hazardous Seas Warning, very steep and hazardous seas 22 to 27 ft at 19 seconds and south winds 25 to 35 kt with gusts up to 40 kt expected. For the Storm Watch, seas 14 to 19 ft at 16 seconds and south winds 30 to 40 kt with gusts up to 50 kt possible.
* WHERE...Inner Coastal Waters from Cape Shoalwater to Florence out 10 NM.
* WHEN...Gale Warning, until 10 PM PST this evening. Hazardous Seas Warning, until 4 PM PST Saturday. Storm Watch, from Saturday afternoon through late Saturday night.
* IMPACTS...Very strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.
Instructions
A Storm Watch is issued when the risk of storm force winds of 48 to 63 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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