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Hazardous Seas Warning

Active

Columbia River Bar

Starts
Ends
Issued
Severity Moderate
Urgency Expected
Certainty Likely

Details

* WHAT...For the first Hazardous Seas Warning, very steep and hazardous seas 19 to 21 ft at 16 seconds and south winds 30 to 35 kt with gusts up to 40 kt. For the Storm Warning, seas 17 to 19 ft at 12 seconds and south winds 30 to 40 kt with gusts up to 45 kt expected. For the second Hazardous Seas Warning, very steep and hazardous seas 16 to 21 ft at 17 seconds and south winds 20 to 30 kt expected.
* WHERE...In the Main Channel of the Columbia River Bar.
* 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.
* ADDITIONAL DETAILS...Ebb current of 4.5 kt at 718 PM Saturday. Seas 14 to 18 ft. Ebb current of 2.07 kt at 822 AM Sunday. Seas 13 to 16 ft. Ebb current of 4.04 kt at 806 PM Sunday. Seas 17 to 21 ft.

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.
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