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

17NM S San Francisco CA

Marine Point Forecast

[NOTICE]

This Afternoon
S 14kt
< 1ft
Tonight
SSE 34kt
< 1ft
Christmas Day
S 24kt
< 1ft
Thursday Night
SSW 27kt
< 1ft
Friday
S 13kt
< 1ft
Friday Night
SSW 6kt
< 1ft
Saturday
N 9kt
< 1ft
Saturday Night
Light Wind
< 1ft
Sunday
NE 9kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 12:27 pm PST Dec 24, 2025
Forecast Valid: 2pm PST Dec 24, 2025-6pm PST Dec 30, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

S wind around 14 kt, with gusts as high as 21 kt. Showers likely, with thunderstorms also possible after 4pm. Some of the storms could be severe. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Tonight

SSE wind 29 to 34 kt, with gusts as high as 55 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.

Christmas Day

SW wind 20 to 24 kt becoming S in the afternoon. Winds could gust as high as 34 kt. Showers, with thunderstorms also possible after 7am. Some of the storms could be severe. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Thursday Night

SSW wind 20 to 27 kt, with gusts as high as 40 kt. Showers and possibly a thunderstorm. Some of the storms could be severe. N swell 0 ft. Wind waves 1 ft or less.

Friday

S wind around 13 kt, with gusts as high as 21 kt. Showers. N swell 0 ft. Wind waves 1 ft or less.

Friday Night

SSW wind around 6 kt becoming W after midnight. Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm. N swell 0 ft. Wind waves 1 ft or less.

Saturday

N wind 7 to 9 kt. A chance of showers, mainly before 10am. N swell 0 ft. Wind waves 1 ft or less.

Saturday Night

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

Sunday

NE wind 6 to 9 kt. Sunny. N swell 0 ft. Wind waves 1 ft or less.

*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.