Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Last Update: 1234 PM PDT Tue Mar 31 2026

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Portland, OR Local Forecast Office

39NM W Long Beach WA

Marine Zone Forecast

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY MORNING...

Rest Of Today
S wind 5 to 10 kt. Seas around 3 ft. Wave detail: W 2 ft at 13 seconds.
Tonight
SW wind 15 to 20 kt with gusts up to 25 kt, becoming S 25 to 30 kt after midnight. Seas around 3 ft, building to 4 to 6 ft after midnight. Wave detail: S 6 ft at 9 seconds and W 3 ft at 13 seconds. Rain after midnight.
Wed
SW wind 25 to 30 kt, becoming W around 15 kt with gusts up to 20 kt in the afternoon. Seas 9 to 12 ft. Wave detail: SW 10 ft at 9 seconds and W 8 ft at 11 seconds. Rain.
Wed Night
SW wind 10 to 15 kt, veering to NW after midnight. Seas 8 to 10 ft. Wave detail: SW 3 ft at 4 seconds and W 10 ft at 12 seconds. Rain.
Thu
NW wind 10 to 15 kt with gusts up to 20 kt. Seas 10 to 12 ft. Wave detail: NW 3 ft at 5 seconds and W 11 ft at 12 seconds. A chance of rain in the morning.
Thu Night
SW wind 5 to 10 kt. Seas 9 to 10 ft, subsiding to 7 to 8 ft after midnight. Wave detail: W 2 ft at 4 seconds and W 10 ft at 12 seconds.
Fri
S wind 5 to 10 kt. Seas 5 to 6 ft. Wave detail: S 2 ft at 4 seconds and W 6 ft at 10 seconds.
Fri Night
N wind 5 to 10 kt. Seas 4 to 5 ft. Wave detail: NW 2 ft at 4 seconds and W 5 ft at 9 seconds.
Sat
N wind 10 to 15 kt. Seas 4 to 5 ft. Wave detail: N 4 ft at 5 seconds and W 5 ft at 9 seconds.
Sat Night
N wind around 15 kt. Seas 5 to 6 ft. Wave detail: N 4 ft at 6 seconds and W 5 ft at 12 seconds.



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1234 PM PDT Tue Mar 31 2026
 
 

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