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Hazardous Seas Warning
ActiveColumbia River Bar
Starts
Ends
Issued
Severity
Moderate
Urgency
Expected
Certainty
Likely
Details
* WHAT...For the Gale Warning, seas 14 to 15 ft at 14 seconds and south winds 30 to 35 kt with gusts up to 45 kt. For the Hazardous Seas Warning, very steep and hazardous seas 14 to 15 ft at 14 seconds and south winds 20 to 30 kt with gusts up to 35 kt expected.
* WHERE...In the Main Channel of the Columbia River Bar.
* WHEN...Gale Warning, until 4 PM PST Wednesday. Hazardous Seas Warning, from 4 PM Wednesday to 4 AM PST Thursday.
* IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.
Instructions
A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions.
Data from the National Weather Service
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