National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Last Update: 1230 AM PDT Mon Jul 20 2026

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Portland, OR Local Forecast Office

12NM N Seaside OR

Marine Zone Forecast


In The Main Channel


General Seas
4 to 5 ft subsiding to 3 ft tuesday morning.

First Ebb
Ebb current of 3.65 kt at 947 am monday. Seas 4 to 5 ft.

Second Ebb
Ebb current of 4.38 kt at 1036 pm monday. Seas 4 ft.

Third Ebb
Ebb current of 2.82 kt at 1041 am tuesday. Seas 3 to 4 ft.



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Last Update:
1230 AM PDT Mon Jul 20 2026
 
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