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Small Craft Advisory
ActiveColumbia River Bar
Status
In Progress
Started about 1 hour ago
Ends
Issued
Severity
Minor
Urgency
Expected
Certainty
Likely
Details
* WHAT...For the Small Craft Advisory, Rough bar conditions expected. Seas 11 to 14 ft at 14 seconds. For the Gale Watch, seas 12 to 17 ft at 11 seconds and southeast winds 25 to 35 kt with gusts up to 40 kt possible.
* WHERE...In the Main Channel of the Columbia River Bar.
* WHEN...Small Craft Advisory, until 10 PM PST Thursday. Gale Watch, from Thursday evening through Friday afternoon.
* IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility.
* ADDITIONAL DETAILS...Strong ebb current of 5.66 kt at 531 PM Wednesday. Seas 13 to 16 ft. Ebb current of 2.71 kt at 605 AM Thursday. Seas 12 ft. Ebb current of 5.32 kt at 603 PM Thursday. Seas 12 to 13 ft.
Instructions
A Gale Watch is issued when the risk of gale force winds of 34 to 47 knots has significantly increased, but the specific timing and/or location is still uncertain. It is intended to provide additional lead time for mariners who may wish to consider altering their plans.
Data from the National Weather Service
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