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 >

Coastal Waters Forecast for Coastal waters from Cape Falcon to Cape Foulweather OR out 10 nm (PZZ252) (Text-Only)
NWS Forecast for: Coastal waters from Cape Falcon to Cape Foulweather OR out 10 nm (PZZ252)
Issued by: National Weather Service Portland, OR
Last Update: 904 PM PST Wed Dec 24 2025
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Tonight: SE wind around 10 kt, backing to E late this evening and overnight. Seas 5 to 7 ft. Wave detail: E 3 ft at 5 seconds, SW 3 ft at 9 seconds and W 6 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, veering to S with gusts up to 30 kt in the afternoon. Seas 5 to 8 ft, building to 9 to 12 ft in the afternoon. Wave detail: SE 5 ft at 6 seconds, NW 4 ft at 11 seconds and S 11 ft at 12 seconds. Rain.

Thu Night: SE wind 15 to 20 kt with gusts up to 30 kt. Seas 10 to 14 ft, subsiding to 10 to 12 ft after midnight. Wave detail: SE 5 ft at 6 seconds, SW 12 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 12 ft. Wave detail: NW 6 ft at 7 seconds, SW 10 ft at 11 seconds and NW 9 ft at 11 seconds. Showers.

Fri Night: NW wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Seas 9 to 12 ft. Wave detail: NW 9 ft at 8 seconds and SW 6 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 8 to 10 ft, subsiding to 7 to 8 ft in the afternoon. Wave detail: NW 3 ft at 6 seconds, NW 8 ft at 10 seconds and S 3 ft at 10 seconds. A chance of showers in the morning.

Sat Night: NE wind around 5 kt. Seas 5 to 7 ft. Wave detail: NW 7 ft at 10 seconds.

Sun: NE wind 5 to 10 kt. Seas 4 to 5 ft. Wave detail: NW 5 ft at 9 seconds.

Sun Night: NE wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: NW 6 ft at 15 seconds.

Mon: NE wind around 5 kt. Seas 6 to 7 ft. 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 13 seconds.







Zone Forecast: Coastal waters from Cape Falcon to Cape Foulweather OR out 10 nm (PZZ252)

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