Small Craft Advisory — Columbia River Bar Severity: Minor. Certainty: Likely. * WHAT...Rough bar conditions expected. North winds around 10 to 20 kt with gusts up to 27 kt. Seas 4 to 7 ft at 9 seconds. * WHERE...In the Main Channel of the Columbia River Bar. * WHEN...From 1 PM this afternoon to 1 AM PDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft, especially when operating near to, or attempting to cross, the Columbia River Bar. * ADDITIONAL DETAILS...Ebb current of 4.5 kt at 803 AM Monday. Seas 4 ft. Ebb current of 4.66 kt at 843 PM Monday. Seas 4 to 6 ft. Ebb current of 3.88 kt at 847 AM Tuesday. Seas 4 ft.
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