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]

    • Today

      Today:Variable winds less than 5 kt becoming NW 7 to 12 kt in the afternoon. Mostly sunny. Mixed swell...WNW 3 to 4 ft at 9 seconds and SSW 1 ft at 13 seconds. Wind waves 1 to 2 ft.

      ⇑NW 12kt
      4ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:NW wind 10 to 13 kt. Mostly cloudy. Mixed swell...WNW 4 ft at 8 seconds and SSW 1 ft at 13 seconds. Wind waves around 2 ft.

      NW 13kt
      4ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday

      Monday:NW wind 9 to 13 kt. Mostly cloudy. Mixed swell...WNW 4 ft at 8 seconds and SSW 1 ft at 12 seconds. Wind waves around 2 ft.

      NW 13kt
      4-5ft

    • Monday Night

      Monday Night:NW wind 10 to 13 kt. Mostly cloudy. Mixed swell...WNW 3 to 4 ft and SSW 1 ft. Wind waves around 2 ft.

      NW 13kt
      4-5ft

    • Tuesday

      Tuesday:W wind around 8 kt. A chance of rain. Mixed swell...WNW 2 to 3 ft and S 1 ft. Wind waves around 1 ft.

      W 8kt
      3ft

    • Tuesday Night

      Tuesday Night:WSW wind 6 to 8 kt. A chance of rain. Mixed swell...WNW 2 ft and S 1 ft. Wind waves around 1 ft.

      WSW 8kt
      3ft

    • Wednesday

      Wednesday:S wind 6 to 14 kt. A chance of rain. Mixed swell...W 2 ft and S 1 ft. Wind waves 1 to 2 ft.

      S 14kt
      3ft

    • Wednesday Night

      Wednesday Night:SW wind 13 to 16 kt becoming WNW after midnight. Winds could gust as high as 22 kt. Rain likely. Mixed swell...W 1 ft and SW 3 ft. Wind waves 2 to 3 ft.

      WNW 16kt
      3ft

    • Thursday

      Thursday:NW wind 18 to 22 kt, with gusts as high as 28 kt. A chance of rain. Mixed swell...WNW 3 ft and SSW 1 ft. Wind waves 3 to 4 ft.

      NW 22kt
      4-6ft


Associated Zone Forecast which includes this point

Last Update: 1:26 am PDT Mar 29, 2026
Forecast Valid: 6am PDT Mar 29, 2026-6pm PDT Apr 4, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH

Today
Variable winds less than 5 kt becoming NW 7 to 12 kt in the afternoon. Mostly sunny. Mixed swell...WNW 3 to 4 ft at 9 seconds and SSW 1 ft at 13 seconds. Wind waves 1 to 2 ft.
Tonight
NW wind 10 to 13 kt. Mostly cloudy. Mixed swell...WNW 4 ft at 8 seconds and SSW 1 ft at 13 seconds. Wind waves around 2 ft.
Monday
NW wind 9 to 13 kt. Mostly cloudy. Mixed swell...WNW 4 ft at 8 seconds and SSW 1 ft at 12 seconds. Wind waves around 2 ft.
Monday Night
NW wind 10 to 13 kt. Mostly cloudy. Mixed swell...WNW 3 to 4 ft and SSW 1 ft. Wind waves around 2 ft.
Tuesday
W wind around 8 kt. A chance of rain. Mixed swell...WNW 2 to 3 ft and S 1 ft. Wind waves around 1 ft.
Tuesday Night
WSW wind 6 to 8 kt. A chance of rain. Mixed swell...WNW 2 ft and S 1 ft. Wind waves around 1 ft.
Wednesday
S wind 6 to 14 kt. A chance of rain. Mixed swell...W 2 ft and S 1 ft. Wind waves 1 to 2 ft.
Wednesday Night
SW wind 13 to 16 kt becoming WNW after midnight. Winds could gust as high as 22 kt. Rain likely. Mixed swell...W 1 ft and SW 3 ft. Wind waves 2 to 3 ft.
Thursday
NW wind 18 to 22 kt, with gusts as high as 28 kt. A chance of rain. Mixed swell...WNW 3 ft and SSW 1 ft. Wind waves 3 to 4 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: 1:26 am PDT Mar 29, 2026
Forecast Valid: 6am PDT Mar 29, 2026-6pm PDT Apr 4, 2026
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