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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 15 to 17 ft at 14 seconds and southeast winds 10 to 15 kt. For the Storm Warning, seas 14 to 18 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...Hazardous Seas Warning, until 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...FIRST EBB...Ebb current of 3.8 kt at 248 AM Saturday. Seas 15 to 17 ft. .SECOND EBB...Strong ebb current of 5.95 kt at 310 PM Saturday. Seas 12 to 14 ft. .THIRD EBB...Ebb current of 3.65 kt at 332 AM Sunday. Seas 17 to 19 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.
Data from the National Weather Service
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