Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Last Update: 904 PM PST Tue Dec 23 2025

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San Francisco Bay Area/Monterey, CA Local Forecast Office

30NM SSE Point Arena CA

Marine Zone Forecast

Tonight

SE wind 25 to 30 kt, rising to 30 to 40 kt late this evening and early morning, veering to S 25 to 35 kt late. Gusts up to 55 kt until early morning. Seas 10 to 14 ft, building to 13 to 18 ft after midnight. Wave detail: S 16 ft at 10 seconds and NW 6 ft at 12 seconds. Showers early this evening, then showers with a slight chance of tstms late this evening and overnight.

Wed

S wind 15 to 20 kt, becoming SE 20 to 25 kt with gusts up to 35 kt in the afternoon. Seas 12 to 16 ft, subsiding to 9 to 13 ft in the afternoon. Wave detail: S 16 ft at 10 seconds and W 6 ft at 12 seconds. Showers with a slight chance of tstms.

Wed Night

SE wind 25 to 35 kt, veering to S 30 to 40 kt after midnight. Seas 10 to 14 ft, building to 12 to 16 ft after midnight. Wave detail: S 15 ft at 9 seconds and NW 6 ft at 11 seconds. Showers. A chance of tstms, mainly in the evening.

Christmas Day

S wind 25 to 30 kt with gusts up to 45 kt. Seas 12 to 16 ft. Wave detail: S 15 ft at 11 seconds and NW 3 ft at 11 seconds. Showers with a slight chance of tstms.

Thu Night

S wind 25 to 30 kt, easing to 20 to 25 kt after midnight. Seas 11 to 15 ft. Wave detail: S 13 ft at 12 seconds and W 9 ft at 12 seconds. Showers.

Fri

S wind 20 to 25 kt, easing to 15 to 20 kt in the afternoon. Seas 12 to 15 ft. Wave detail: S 11 ft at 11 seconds and W 13 ft at 12 seconds. Showers.

Fri Night

SE wind around 15 kt, backing to N after midnight. Seas 10 to 14 ft, subsiding to 8 to 11 ft after midnight. Wave detail: SW 6 ft at 10 seconds and W 12 ft at 13 seconds. Showers, mainly in the evening.

Sat

N wind 10 to 15 kt. Seas 6 to 9 ft. Wave detail: SW 4 ft at 9 seconds and NW 8 ft at 11 seconds. A chance of showers in the morning.

Sat Night

N wind 5 to 10 kt. Seas 5 to 7 ft. Wave detail: S 3 ft at 9 seconds and NW 6 ft at 10 seconds.

Sun

NE wind around 5 kt, backing to NW around 5 kt in the afternoon. Seas 3 to 5 ft. Wave detail: NW 4 ft at 9 seconds and S 2 ft at 10 seconds.

Sun Night

N wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 8 seconds and S 2 ft at 9 seconds.

winds and seas higher in and near tstms.