Widespread Precipitation and Gusty Winds in the West; Snow from the Great Lakes to the Northeast

A Pacific storm system is expected to bring strong winds and more precipitation to the western U.S., along with the likelihood of snowfall into the Sierra Nevada. Accumulating snow will develop downwind from the Great Lakes into parts of the Northeast through Saturday. Polar air will surge into the eastern half of the country this weekend. Read More >

20NM S San Francisco CA

Marine Point Forecast

[NOTICE]
    • Today

      Today:S wind 13 to 20 kt becoming W in the afternoon. Winds could gust as high as 32 kt. Rain and possibly a thunderstorm before 1pm, then rain likely.   Mixed swell...W 7 to 8 ft at 14 seconds and SSW 3 ft at 6 seconds. Wind waves around 3 ft.

      SSW 20kt
      7-8ft

    • Tonight

      Tonight:W wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of rain, mainly before 2am.   Mixed swell...W 14 ft at 17 seconds and SSW 2 to 3 ft at 7 seconds  becoming S at 10 seconds . Wind waves 1 to 2 ft.

      W 6kt⇓
      Waves Building12ft

    • Saturday

      Saturday:Variable winds 5 kt or less. A slight chance of rain between 7am and 10am.   Mixed swell...WNW 14 to 15 ft at 18 seconds and S 1 to 2 ft at 15 seconds. Wind waves 1 ft or less.

      Light Wind
      11-12ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Mostly cloudy. Mixed swell...WNW 10 to 12 ft and S 1 ft. Wind waves 1 ft or less.

      Light Wind
      8-10ft

    • Sunday

      Sunday:S wind 8 to 12 kt, with gusts as high as 18 kt. Rain likely after 10am.   Mixed swell...WNW 8 ft and S 1 ft. Wind waves 1 to 2 ft.

      S 12kt
      6ft

    • Sunday Night

      Sunday Night:SW wind 5 to 7 kt becoming NNW after midnight. Rain, mainly before 4am.   Mixed swell...WNW 11 ft and S 2 ft. Wind waves around 1 ft.

      SW 7kt
      8-9ft

    • Monday

      Monday:NW wind 5 to 10 kt. A chance of rain, mainly before 10am.   Mixed swell...WNW 10 to 11 ft and S 2 ft. Wind waves 1 ft or less.

      NW 10kt
      9ft

    • Monday Night

      Monday Night:NNW wind 7 to 11 kt. A slight chance of rain.   Mixed swell...WNW 10 ft and S 1 ft. Wind waves 1 to 2 ft.

      NNW 11kt
      8ft

    • Tuesday

      Tuesday:WNW wind 6 to 11 kt. A slight chance of rain.   Mixed swell...WNW 7 to 9 ft and S 1 ft. Wind waves 1 to 2 ft.

      WNW 11kt
      6-7ft


Associated Zone Forecast which includes this point

Last Update: 1:16 am PST Nov 13, 2026
Forecast Valid: 7am PST Nov 13, 2026-6pm PST Nov 19, 2026

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Detailed Forecast


Today
S wind 13 to 20 kt becoming W in the afternoon. Winds could gust as high as 32 kt. Rain and possibly a thunderstorm before 1pm, then rain likely. Mixed swell...W 7 to 8 ft at 14 seconds and SSW 3 ft at 6 seconds. Wind waves around 3 ft.
Tonight
W wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of rain, mainly before 2am. Mixed swell...W 14 ft at 17 seconds and SSW 2 to 3 ft at 7 seconds becoming S at 10 seconds . Wind waves 1 to 2 ft.
Saturday
Variable winds 5 kt or less. A slight chance of rain between 7am and 10am. Mixed swell...WNW 14 to 15 ft at 18 seconds and S 1 to 2 ft at 15 seconds. Wind waves 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Mostly cloudy. Mixed swell...WNW 10 to 12 ft and S 1 ft. Wind waves 1 ft or less.
Sunday
S wind 8 to 12 kt, with gusts as high as 18 kt. Rain likely after 10am. Mixed swell...WNW 8 ft and S 1 ft. Wind waves 1 to 2 ft.
Sunday Night
SW wind 5 to 7 kt becoming NNW after midnight. Rain, mainly before 4am. Mixed swell...WNW 11 ft and S 2 ft. Wind waves around 1 ft.
Monday
NW wind 5 to 10 kt. A chance of rain, mainly before 10am. Mixed swell...WNW 10 to 11 ft and S 2 ft. Wind waves 1 ft or less.
Monday Night
NNW wind 7 to 11 kt. A slight chance of rain. Mixed swell...WNW 10 ft and S 1 ft. Wind waves 1 to 2 ft.
Tuesday
WNW wind 6 to 11 kt. A slight chance of rain. Mixed swell...WNW 7 to 9 ft and S 1 ft. Wind waves 1 to 2 ft.

*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: 37.45°N 122.44°W
Last Update: 1:16 am PST Nov 13, 2026
Forecast Valid: 7am PST Nov 13, 2026-6pm PST Nov 19, 2026
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