National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

9NM SSW San Francisco CA

Marine Point Forecast

[NOTICE]

    • Christmas Day

      Christmas Day:S wind 22 to 25 kt, with gusts as high as 39 kt. Showers and possibly a thunderstorm before 7am, then rain between 7am and 10am, then showers and possibly a thunderstorm after 10am. Some of the storms could be severe. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      S 25kt
      < 1ft

    • Tonight

      Tonight:SSW wind 20 to 23 kt becoming WSW in the evening. Winds could gust as high as 37 kt. Showers and possibly a thunderstorm before 10pm, then rain likely after 10pm. Some of the storms could be severe. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      SSW 23kt
      < 1ft

    • Friday

      Friday:SSW wind 13 to 18 kt, with gusts as high as 27 kt. Rain. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      SSW 18kt
      < 1ft

    • Friday Night

      Friday Night:WNW wind around 10 kt. Rain likely, mainly before 10pm. N swell 0 ft. Wind waves 1 ft or less.

      WNW 10kt
      < 1ft

    • Saturday

      Saturday:N wind 9 to 11 kt. A chance of rain, mainly before 10am. N swell 0 ft. Wind waves 1 ft or less.

      N 11kt
      < 1ft

    • Saturday Night

      Saturday Night:NNE wind around 6 kt. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.

      NNE 6kt
      < 1ft

    • Sunday

      Sunday:ENE wind around 9 kt. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

      ENE 9kt
      < 1ft

    • Sunday Night

      Sunday Night:NE wind 7 to 9 kt. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.

      NE 9kt
      < 1ft

    • Monday

      Monday:NE wind around 12 kt. Sunny. N swell 0 ft. Wind waves 1 ft or less.

      NE 12kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 12:27 am PST Dec 25, 2025
Forecast Valid: 6am PST Dec 25, 2025-6pm PST Dec 31, 2025

View Nearby Observations

Detailed Forecast


Christmas Day
S wind 22 to 25 kt, with gusts as high as 39 kt. Showers and possibly a thunderstorm before 7am, then rain between 7am and 10am, then showers and possibly a thunderstorm after 10am. Some of the storms could be severe. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Tonight
SSW wind 20 to 23 kt becoming WSW in the evening. Winds could gust as high as 37 kt. Showers and possibly a thunderstorm before 10pm, then rain likely after 10pm. Some of the storms could be severe. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Friday
SSW wind 13 to 18 kt, with gusts as high as 27 kt. Rain. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Friday Night
WNW wind around 10 kt. Rain likely, mainly before 10pm. N swell 0 ft. Wind waves 1 ft or less.
Saturday
N wind 9 to 11 kt. A chance of rain, mainly before 10am. N swell 0 ft. Wind waves 1 ft or less.
Saturday Night
NNE wind around 6 kt. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.
Sunday
ENE wind around 9 kt. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.
Sunday Night
NE wind 7 to 9 kt. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.
Monday
NE wind around 12 kt. Sunny. N swell 0 ft. Wind waves 1 ft or less.

Winds and seas higher in and near tstms. .....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 9 to 12 feet at 9 seconds. ACROSS THE BAR...Mixed seas of 10 to 14 feet at 9 seconds. Maximum ebb current of 1.2 kt at 08:24 AM Thursday and 2.6 kt at 07:39 PM Thursday.

*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.
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ABOUT THIS FORECAST

Point Forecast: 37.62°N 122.49°W
Last Update: 12:27 am PST Dec 25, 2025
Forecast Valid: 6am PST Dec 25, 2025-6pm PST Dec 31, 2025
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