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 >

Hazardous Weather Conditions

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

39NM NW San Francisco CA

Marine Point Forecast

[NOTICE]

Christmas Day
S 21kt
6ft

Gale Warning
Tonight
S 26kt
7-8ft

Gale Warning
Friday
S 14kt
8ft
Friday Night
NW 9kt
7-8ft
Saturday
NNW 9kt
5-7ft
Saturday Night
Light Wind
3-4ft
Sunday
Light Wind
2-3ft
Sunday Night
Light Wind
2ft
Monday
Light Wind
2ft

Associated Zone Forecast which includes this point

Last Update: 8:59 am PST Dec 25, 2025
Forecast Valid: 10am PST Dec 25, 2025-6pm PST Dec 31, 2025

View Nearby Observations

Detailed Forecast

Christmas Day

S wind around 21 kt, with gusts as high as 34 kt. Showers and possibly a thunderstorm. Some of the storms could be severe. Mixed swell...WNW 2 ft at 11 seconds and SSW 7 ft at 10 seconds. Wind waves around 4 ft.

Tonight

S wind 19 to 26 kt, with gusts as high as 35 kt. Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Some of the storms could be severe. Mixed swell...W 8 ft at 12 seconds and SSW 8 to 9 ft at 10 seconds. Wind waves 3 to 4 ft.

Friday

S wind 12 to 14 kt, with gusts as high as 25 kt. Rain, mainly before 4pm. Mixed swell...W 10 ft at 14 seconds and SW 5 to 6 ft at 10 seconds. Wind waves around 2 ft.

Friday Night

NW wind around 9 kt. A chance of rain, mainly before 10pm. Mixed swell...WNW 10 ft and SSW 3 ft. Wind waves around 1 ft.

Saturday

NNW wind around 9 kt, with gusts as high as 18 kt. A slight chance of rain. Mixed swell...WNW 7 to 8 ft and SSW 2 to 4 ft. Wind waves around 1 ft.

Saturday Night

Variable winds 5 kt or less. Partly cloudy. Mixed swell...WNW 4 to 5 ft and S 2 to 3 ft. Wind waves 1 ft or less.

Sunday

Variable winds 5 kt or less. Mostly sunny. Mixed swell...NW 3 to 4 ft and S 1 ft. Wind waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Mostly clear. Mixed swell...NNW 3 ft and SSW 1 ft. Wind waves 1 ft or less.

Monday

Variable winds 5 kt or less. Sunny. Mixed swell...NNW 2 to 3 ft and SSE 1 ft. Wind waves 1 ft or less.

Winds and seas higher in and near tstms.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.