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

45NM NW San Francisco CA

Marine Point Forecast

[NOTICE]

Tonight
S 34kt
< 1ft
Christmas Day
SW 25kt
< 1ft
Thursday Night
SSW 26kt
< 1ft
Friday
S 16kt
< 1ft
Friday Night
N 10kt
< 1ft
Saturday
N 11kt
< 1ft
Saturday Night
N 7kt
< 1ft
Sunday
Light Wind
< 1ft
Sunday Night
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 4:56 pm PST Dec 24, 2025
Forecast Valid: 10pm PST Dec 24, 2025-6pm PST Dec 31, 2025

View Nearby Observations

Detailed Forecast

Tonight

S wind 28 to 34 kt, with gusts as high as 55 kt. Showers and possibly a thunderstorm. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Christmas Day

SW wind 22 to 25 kt becoming S in the afternoon. Winds could gust as high as 36 kt. Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. Some of the storms could be severe. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Thursday Night

SSW wind 21 to 26 kt, with gusts as high as 35 kt. Showers and possibly a thunderstorm. Some of the storms could be severe. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Friday

S wind 12 to 16 kt, with gusts as high as 23 kt. Showers and possibly a thunderstorm before 1pm, then showers between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. N swell 0 ft. Wind waves 1 ft or less.

Friday Night

W wind 8 to 10 kt becoming N after midnight. Showers likely and possibly a thunderstorm before 10pm, then a chance of showers. N swell 0 ft. Wind waves 1 ft or less.

Saturday

N wind 8 to 11 kt. A slight chance of showers before 10am. N swell 0 ft. Wind waves 1 ft or less.

Saturday Night

N wind 5 to 7 kt. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.

Sunday

Variable winds 5 kt or less. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Mostly clear. N swell 0 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.