Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Last Update: 206 PM PST Wed Dec 24 2025

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Portland, OR Local Forecast Office

7NM SW Cape Lookout OR

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT...

Tonight
SE wind around 10 kt, backing to E late this evening and overnight. Seas 5 to 6 ft. Wave detail: E 3 ft at 5 seconds, SW 2 ft at 8 seconds and NW 5 ft at 10 seconds. A slight chance of showers early this evening. A slight chance of rain after midnight, then a chance of rain late.
Thu
E wind 15 to 20 kt with gusts to 25 kt, veering to S with gusts up to 30 kt in the afternoon. Seas 5 to 8 ft, building to 8 to 11 ft in the afternoon. Wave detail: SE 5 ft at 6 seconds, S 7 ft at 12 seconds and NW 5 ft at 12 seconds. Rain.
Thu Night
SE wind 15 to 20 kt with gusts up to 30 kt. Seas 9 to 12 ft. Wave detail: SE 5 ft at 6 seconds, S 9 ft at 12 seconds and NW 4 ft at 12 seconds. Rain.
Fri
SW wind 15 to 20 kt, becoming NW 20 to 25 kt in the afternoon. Seas 9 to 11 ft. Wave detail: NW 6 ft at 7 seconds, NW 7 ft at 10 seconds and SW 9 ft at 11 seconds. Showers.
Fri Night
NW wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Seas 8 to 10 ft. Wave detail: NW 6 ft at 7 seconds, NW 8 ft at 10 seconds and SW 5 ft at 10 seconds. Showers.
Sat
NW wind 10 to 15 kt with gusts up to 20 kt, easing to 5 to 10 kt in the afternoon. Seas 7 to 8 ft, subsiding to 5 to 8 ft in the afternoon. Wave detail: NW 3 ft at 6 seconds, NW 7 ft at 9 seconds and SW 3 ft at 10 seconds. A chance of showers in the morning.
Sat Night
NE wind around 5 kt. Seas 5 to 6 ft. Wave detail: NW 6 ft at 9 seconds and S 2 ft at 10 seconds.
Sun
NE wind 5 to 10 kt. Seas 4 to 5 ft. Wave detail: NW 5 ft at 8 seconds.
Sun Night
NE wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: NW 6 ft at 8 seconds.
Mon
NE wind around 5 kt. Seas 4 to 6 ft, building to 6 to 7 ft in the afternoon. Wave detail: NW 7 ft at 13 seconds.
Mon Night
E wind around 5 kt. Seas 6 to 7 ft. Wave detail: W 7 ft at 12 seconds.



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206 PM PST Wed Dec 24 2025
 
 

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