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Hazardous Seas Warning
ActiveColumbia River Bar
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 13 to 15 ft at 14 seconds and east winds around 10 kt. For the Gale Warning, seas 9 to 14 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...Hazardous Seas Warning, until 4 AM PST early this morning. Gale Warning, from 4 AM early this morning to 10 AM PST Tuesday.
* IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.
* ADDITIONAL DETAILS...There will be a lull in gusty winds Monday night in between weather systems before winds increase quickly Tuesday morning.
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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