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 >

13NM NNW San Francisco CA

Marine Point Forecast

[NOTICE]
    • Friday

      Friday:S wind 9 to 12 kt, with gusts as high as 23 kt. Showers, with thunderstorms also possible after 4pm.

      S 12kt

    • Friday Night

      Friday Night:SSW wind around 6 kt becoming NNW after midnight. A chance of showers and thunderstorms, then showers likely after 9pm.

      SW 6kt

    • Saturday

      Saturday:N wind around 6 kt. A slight chance of showers.

      N 6kt

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Partly cloudy.

      Light Wind

    • Sunday

      Sunday:Variable winds 5 kt or less. Mostly sunny.

      Light Wind

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Mostly clear.

      Light Wind

    • Monday

      Monday:NE wind around 7 kt. Sunny.

      NE 7kt

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Mostly clear.

      Light Wind

    • Tuesday

      Tuesday:NE wind around 7 kt. Sunny.

      NE 7kt


Associated Zone Forecast which includes this point

Last Update: 12:27 am PST Dec 26, 2025
Forecast Valid: 2am PST Dec 26, 2025-6pm PST Jan 1, 2026

View Nearby Observations

Detailed Forecast


Friday
S wind 9 to 12 kt, with gusts as high as 23 kt. Showers, with thunderstorms also possible after 4pm.
Friday Night
SSW wind around 6 kt becoming NNW after midnight. A chance of showers and thunderstorms, then showers likely after 9pm.
Saturday
N wind around 6 kt. A slight chance of showers.
Saturday Night
Variable winds 5 kt or less. Partly cloudy.
Sunday
Variable winds 5 kt or less. Mostly sunny.
Sunday Night
Variable winds 5 kt or less. Mostly clear.
Monday
NE wind around 7 kt. Sunny.
Monday Night
Variable winds 5 kt or less. Mostly clear.
Tuesday
NE wind around 7 kt. Sunny.

*Notices:

  1. 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.
  2. 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 37.99°N 122.47°W
Last Update: 12:27 am PST Dec 26, 2025
Forecast Valid: 2am PST Dec 26, 2025-6pm PST Jan 1, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data