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

Last Update: 134 AM PDT Mon Sep 21 2026

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For More Weather Information:

Portland, OR Local Forecast Office

12NM N Seaside OR

Marine Zone Forecast


In The Main Channel


General Seas
3 to 4 ft building to 7 ft tuesday morning.

First Ebb
Ebb current of 3.65 kt at 111 am monday. Seas 3 to 4 ft.

Second Ebb
Ebb current of 2.13 kt at 157 pm monday. Seas 5 ft.

Third Ebb
Ebb current of 3.99 kt at 208 am tuesday. Seas 7 ft.



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Last Update:
134 AM PDT Mon Sep 21 2026
 
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