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

Hazardous Weather Conditions

20NM W San Francisco CA

Marine Point Forecast

[NOTICE]

    • Overnight

      Overnight:NNW wind 18 to 21 kt. Mostly clear. Mixed swell...NW 9 ft at 12 seconds and SSW 1 ft at 15 seconds. Wind waves around 4 ft.

      NNW 21kt
      9ft

      Gale Warning
      Gale Warning

    • Friday

      Friday:NW wind 14 to 19 kt, with gusts as high as 25 kt. Sunny. Mixed swell...WNW 7 ft at 11 seconds and SSW 1 ft at 15 seconds. Wind waves around 3 ft.

      NW 19kt
      7-8ft

      Gale Warning
      Gale Warning

    • Friday Night

      Friday Night:NNW wind 13 to 18 kt. Mostly clear. Mixed swell...WNW 6 ft at 11 seconds and SSW 1 ft at 14 seconds. Wind waves 3 to 4 ft.

      NNW 18kt
      7ft

      Gale Warning
      Gale Warning

    • Saturday

      Saturday:NNW wind 8 to 12 kt becoming NNE in the morning. Sunny. Mixed swell...NNW 5 ft and SSW 1 ft. Wind waves 2 to 3 ft.

      NNW 12kt
      5-6ft

    • Saturday Night

      Saturday Night:NNW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Mixed swell...WNW 5 ft and SW 1 ft becoming NNW. Wind waves around 1 ft.

      NNW 8kt⇓
      4ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Sunny. Mixed swell...WNW 5 ft and SW 1 ft. Wind waves 1 ft or less.

      Light Wind
      5ft

    • Sunday Night

      Sunday Night:NW wind 11 to 15 kt. Mostly clear. Mixed swell...WNW 6 ft and SSW 1 ft. Wind waves 1 to 2 ft.

      NW 15kt
      5-6ft

    • Monday

      Monday:NNW wind 23 to 29 kt, with gusts as high as 37 kt. Sunny. Mixed swell...WNW 6 ft and SSW 1 ft. Wind waves 3 to 5 ft.

      NNW 29kt
      7-8ft

    • Monday Night

      Monday Night:NW wind around 33 kt, with gusts as high as 41 kt. Mostly clear. Mixed swell...NW 8 ft and SSW 1 ft becoming SW. Wind waves around 6 ft.

      NW 33kt
      10ft


Associated Zone Forecast which includes this point

Last Update: 11:16 pm PST Mar 5, 2026
Forecast Valid: 11pm PST Mar 5, 2026-6pm PDT Mar 12, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING IN EFFECT THROUGH LATE FRIDAY NIGHT...

Overnight
NNW wind 18 to 21 kt. Mostly clear. Mixed swell...NW 9 ft at 12 seconds and SSW 1 ft at 15 seconds. Wind waves around 4 ft.
Friday
NW wind 14 to 19 kt, with gusts as high as 25 kt. Sunny. Mixed swell...WNW 7 ft at 11 seconds and SSW 1 ft at 15 seconds. Wind waves around 3 ft.
Friday Night
NNW wind 13 to 18 kt. Mostly clear. Mixed swell...WNW 6 ft at 11 seconds and SSW 1 ft at 14 seconds. Wind waves 3 to 4 ft.
Saturday
NNW wind 8 to 12 kt becoming NNE in the morning. Sunny. Mixed swell...NNW 5 ft and SSW 1 ft. Wind waves 2 to 3 ft.
Saturday Night
NNW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Mixed swell...WNW 5 ft and SW 1 ft becoming NNW. Wind waves around 1 ft.
Sunday
Variable winds 5 kt or less. Sunny. Mixed swell...WNW 5 ft and SW 1 ft. Wind waves 1 ft or less.
Sunday Night
NW wind 11 to 15 kt. Mostly clear. Mixed swell...WNW 6 ft and SSW 1 ft. Wind waves 1 to 2 ft.
Monday
NNW wind 23 to 29 kt, with gusts as high as 37 kt. Sunny. Mixed swell...WNW 6 ft and SSW 1 ft. Wind waves 3 to 5 ft.
Monday Night
NW wind around 33 kt, with gusts as high as 41 kt. Mostly clear. Mixed swell...NW 8 ft and SSW 1 ft becoming SW. Wind waves around 6 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: 37.75°N 122.83°W
Last Update: 11:16 pm PST Mar 5, 2026
Forecast Valid: 11pm PST Mar 5, 2026-6pm PDT Mar 12, 2026
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