Small Craft Advisory issued August 30 at 1:15PM PDT until August 31 at 8:00PM PDT by NWS Portland OR

Columbia River Bar

Urgency: Expected

Certainty: Likely

Onset: 8/31/2026, 9:00:00 PM

Expires: 8/31/2026, 9:00:00 AM

Details

* WHAT...Rough bar conditions expected. Northwest winds 15 to 20 kt with gusts up to 25 kt. * WHERE...In the Main Channel of the Columbia River Bar. * WHEN...From 2 PM to 8 PM PDT Monday. * 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 5.24 kt at 654 PM Sunday. Seas 3 to 4 ft. Ebb current of 4.72 kt at 702 AM Monday. Seas 3 to 4 ft. Ebb current of 5.46 kt at 729 PM Monday. Seas 5 ft.

What To Do

A Small Craft Advisory means that wave conditions are expected to be hazardous to small craft in the vicinity of the Columbia River Bar. Mariners are advised to obtain the latest bar conditions from the United States Coast Guard before attempting to cross the bar.

Other Active Small Craft Advisory Alerts

Small Craft Advisory issued August 30 at 2:23PM PDT until August 30 at 9:00PM PDT by NWS San Francisco CA

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Small Craft Advisory issued August 30 at 2:23PM PDT until August 31 at 9:00AM PDT by NWS San Francisco CA

Waters from Point Reyes to Pigeon Point 10-60 NM

Small Craft Advisory issued August 30 at 2:23PM PDT until August 31 at 9:00AM PDT by NWS San Francisco CA

Waters from Point Arena to Point Reyes 10-60 NM

Small Craft Advisory issued August 30 at 2:23PM PDT until August 30 at 9:00PM PDT by NWS San Francisco CA

Waters from Point Pinos to Point Piedras Blancas 10-60 NM

Small Craft Advisory issued August 30 at 2:23PM PDT until August 31 at 3:00AM PDT by NWS San Francisco CA

Coastal Waters from Point Arena to Point Reyes California out to 10 nm

Source: National Weather Service.