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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 around 16 ft at 15 seconds and south winds around 30 kt with gusts up to 40 kt. For the Hazardous Seas Warning, very steep and hazardous seas 12 to 15 ft at 15 seconds and south winds 15 to 25 kt with gusts up to 30 kt expected. For the Storm Warning, seas 17 to 22 ft at 13 seconds and south winds 30 to 40 kt with gusts up to 50 kt expected.
* WHERE...In the Main Channel of the Columbia River Bar.
* WHEN...Gale Warning, until 4 PM PST this afternoon. Hazardous Seas Warning, from 4 PM this afternoon to 10 AM PST Saturday. Storm Warning, from 10 AM Saturday to 4 AM PST Sunday.
* IMPACTS...Very strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.
* ADDITIONAL DETAILS...Storm force wind gusts are expected to peak between 1600 to 2200 Saturday.
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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