Winter Storm Moving Across the West; Impacting the Eastern U.S. This Weekend

Heavy snow will shift from the mountains of the West today into the Upper Midwest and Great Lakes this weekend while an icy mix spreads from the Appalachians into the Northeast U.S. Further south on Saturday, severe thunderstorms will be possible over the lower Mississippi Valley while excessive rainfall may bring flash and river flooding to the mid Mississippi and Ohio Valleys. Read More >

12NM W San Francisco CA

Marine Point Forecast

[NOTICE]
    • Today

      Today:NW wind 19 to 21 kt. Partly sunny, then gradually becoming sunny. Mixed swell...W 10 ft at 14 seconds and WSW 7 to 8 ft at 3 seconds. Wind waves 3 to 4 ft.

      NW 21kt
      12-14ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:NW wind 13 to 18 kt decreasing to 6 to 11 kt after midnight. Partly cloudy. Mixed swell...W 7 to 8 ft at 13 seconds and SW 4 to 5 ft at 5 seconds. Wind waves around 3 ft.

      NW 18kt⇓
      9-10ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday

      Saturday:Variable winds 5 kt or less. Partly sunny. Mixed swell...WNW 5 to 6 ft at 14 seconds and SW 1 to 3 ft at 5 seconds  decreasing to  at 2 seconds . Wind waves 1 ft or less.

      Light Wind
      6-7ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Mostly cloudy. Mixed swell...W 4 to 5 ft and SW 1 ft. Wind waves 1 ft or less.

      Light Wind
      4-5ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming SE around 6 kt in the morning. A chance of rain, mainly before 4pm.  Patchy fog after 4pm.  Mixed swell...W 3 ft and SW 1 ft. Wind waves 1 ft or less.

      ⇑SE 6kt
      3-4ft

    • Sunday Night

      Sunday Night:WNW wind 6 to 8 kt. A slight chance of rain before 10pm.  Patchy fog before 10pm.  Mixed swell...W 4 ft and SSW 3 ft. Wind waves 1 ft or less.

      WNW 8kt
      5ft

    • Washington's Birthday

      Washington's Birthday:NW wind 8 to 13 kt. Partly sunny. Mixed swell...W 6 ft and WSW 4 ft. Wind waves 1 to 2 ft.

      NW 13kt
      7-8ft

    • Monday Night

      Monday Night:NNW wind 12 to 16 kt, with gusts as high as 22 kt. Partly cloudy. Mixed swell...W 6 ft and SW 3 to 4 ft. Wind waves 2 to 3 ft.

      NNW 16kt
      7-8ft

    • Tuesday

      Tuesday:N wind 5 to 7 kt becoming WNW in the afternoon. Mostly sunny. Mixed swell...W 5 ft and SSW 2 to 3 ft. Wind waves around 1 ft.

      N 7kt
      6ft


Associated Zone Forecast which includes this point

Last Update: 2:40 am PST Feb 14, 2025
Forecast Valid: 7am PST Feb 14, 2025-6pm PST Feb 20, 2025

View Nearby Observations

Detailed Forecast


Today
NW wind 19 to 21 kt. Partly sunny, then gradually becoming sunny. Mixed swell...W 10 ft at 14 seconds and WSW 7 to 8 ft at 3 seconds. Wind waves 3 to 4 ft.
Tonight
NW wind 13 to 18 kt decreasing to 6 to 11 kt after midnight. Partly cloudy. Mixed swell...W 7 to 8 ft at 13 seconds and SW 4 to 5 ft at 5 seconds. Wind waves around 3 ft.
Saturday
Variable winds 5 kt or less. Partly sunny. Mixed swell...WNW 5 to 6 ft at 14 seconds and SW 1 to 3 ft at 5 seconds decreasing to at 2 seconds . Wind waves 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Mostly cloudy. Mixed swell...W 4 to 5 ft and SW 1 ft. Wind waves 1 ft or less.
Sunday
Variable winds less than 5 kt becoming SE around 6 kt in the morning. A chance of rain, mainly before 4pm. Patchy fog after 4pm. Mixed swell...W 3 ft and SW 1 ft. Wind waves 1 ft or less.
Sunday Night
WNW wind 6 to 8 kt. A slight chance of rain before 10pm. Patchy fog before 10pm. Mixed swell...W 4 ft and SSW 3 ft. Wind waves 1 ft or less.
Washington's Birthday
NW wind 8 to 13 kt. Partly sunny. Mixed swell...W 6 ft and WSW 4 ft. Wind waves 1 to 2 ft.
Monday Night
NNW wind 12 to 16 kt, with gusts as high as 22 kt. Partly cloudy. Mixed swell...W 6 ft and SW 3 to 4 ft. Wind waves 2 to 3 ft.
Tuesday
N wind 5 to 7 kt becoming WNW in the afternoon. Mostly sunny. Mixed swell...W 5 ft and SSW 2 to 3 ft. Wind waves around 1 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: 37.78°N 122.67°W
Last Update: 2:40 am PST Feb 14, 2025
Forecast Valid: 7am PST Feb 14, 2025-6pm PST Feb 20, 2025
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