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

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

19NM NE Oakland CA

Marine Point Forecast

[NOTICE]

Wednesday
SW 17kt⇓

Gale Warning
Wednesday Night
SE 20kt

Gale Warning
Christmas Day
⇑S 24kt
Thursday Night
S 21kt
Friday
S 20kt
Friday Night
SSE 11kt
Saturday
ENE 9kt
Saturday Night
NW 7kt
Sunday
NE 8kt

Associated Zone Forecast which includes this point

Last Update: 12:27 am PST Dec 24, 2025
Forecast Valid: 1am PST Dec 24, 2025-6pm PST Dec 30, 2025

View Nearby Observations

Detailed Forecast

Wednesday

SW wind 12 to 17 kt becoming variable and less than 5 kt. Winds could gust as high as 33 kt. Showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers and possibly a thunderstorm after 5pm. Some of the storms could be severe.

Wednesday Night

SE wind 11 to 20 kt, with gusts as high as 36 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Some of the storms could be severe.

Christmas Day

S wind 13 to 18 kt increasing to 19 to 24 kt in the morning. Winds could gust as high as 34 kt. Showers likely and possibly a thunderstorm, then showers after 7am. Some of the storms could be severe.

Thursday Night

S wind around 21 kt, with gusts as high as 30 kt. Showers and possibly a thunderstorm. Some of the storms could be severe.

Friday

S wind 18 to 20 kt, with gusts as high as 28 kt. Showers, with thunderstorms also possible after 4pm.

Friday Night

SSE wind around 11 kt. Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms, mainly between 10pm and 4am.

Saturday

ENE wind 7 to 9 kt becoming NNE in the afternoon. A slight chance of showers before 10am.

Saturday Night

N wind 5 to 7 kt becoming WNW in the evening. Mostly clear.

Sunday

NE wind around 8 kt. Mostly sunny.

*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.