< Hazardous Seas Warning - Moderate | Effective 05/25/2026 22:40

Hazardous Seas Warning - Moderate | Effective 05/25/2026 22:40

Headline: 
Hazardous Seas Warning issued May 25 at 10:40PM PDT until May 26 at 11:00AM PDT by NWS Portland OR
Event: 
Hazardous Seas Warning
Urgency: 
Expected
Effective: 
May 25, 2026 - 10:40pm
Expires: 
May 26, 2026 - 11:00am
Description: 
* WHAT...Very steep and hazardous seas 13 to 16 ft at 14 seconds and southeast winds 5 to 10 kt. * WHERE...In the Main Channel of the Columbia River Bar. * WHEN...Until 11 AM PDT Tuesday. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. * ADDITIONAL DETAILS...Ebb current of 4.57 kt at 149 AM Tuesday. Seas 12 to 15 ft. Ebb current of 3.08 kt at 203 PM Tuesday. Seas 11 to 13 ft. Ebb current of 5.02 kt at 237 AM Wednesday. Seas 8 to 9 ft.
Instruction: 
A Hazardous Seas Warning means hazardous sea conditions are imminent or occurring. Recreational boaters should remain in port, or take shelter until waves subside. Commercial vessels should prepare for rough seas and consider remaining in port or taking shelter in port until hazardous seas subside.
Area Description: 
Columbia River Bar
Forcast Office: 
NWS Portland OR