Last Update: 230 AM PST Thu Nov 20 2025

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For More Weather Information:

Portland, OR Local Forecast Office

12NM N Seaside OR

Marine Zone Forecast

...HAZARDOUS SEAS WARNING IN EFFECT FROM 10 AM PST THIS MORNING THROUGH LATE TONIGHT...

In The Main Channel


General Seas
6 to 8 ft building to 11 to 15 ft this afternoon, then easing to 9 to 11 ft friday morning.

First Ebb
Ebb current of 3.01 kt at 421 am thursday. Seas 7 to 8 ft.

Second Ebb
Strong ebb current of 5.73 kt at 428 pm thursday. seas 13 to 16 ft.

Third Ebb
Ebb current of 2.86 kt at 457 am friday. Seas 12 to 13 ft.



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230 AM PST Thu Nov 20 2025
 
 

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