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

20NM W San Francisco CA

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:Variable winds 5 kt or less. Patchy dense fog after 4am. Mixed swell...WNW 3 ft at 10 seconds and S 2 ft at 17 seconds. Wind waves 1 ft or less.

      Light Wind
      4ft

    • Monday

      Monday:Variable winds 5 kt or less. Mostly cloudy. Mixed swell...WNW 3 ft at 10 seconds and S 2 ft at 16 seconds. Wind waves 1 ft or less.

      Light Wind
      4ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Cloudy. Mixed swell...NW 3 ft at 10 seconds and S 2 ft at 15 seconds. Wind waves 1 ft or less.

      Light Wind
      4ft

    • Tuesday

      Tuesday:SSW wind 5 to 9 kt. Mostly cloudy. Mixed swell...NW 5 ft and SSW 2 ft. Wind waves around 1 ft.

      SSW 9kt
      5ft

    • Tuesday Night

      Tuesday Night:SW wind around 7 kt. Cloudy. Mixed swell...WNW 4 ft and SSW 2 ft. Wind waves around 1 ft.

      SW 7kt
      5ft

    • Wednesday

      Wednesday:S wind 7 to 9 kt. Cloudy. Mixed swell...WNW 4 ft and SSW 2 ft. Wind waves around 1 ft.

      S 9kt
      4ft

    • Wednesday Night

      Wednesday Night:SSW wind 5 to 8 kt. Cloudy. Mixed swell...WNW 3 ft and SSW 2 ft. Wind waves 1 ft or less.

      SSW 8kt
      4ft

    • Thursday

      Thursday:S wind 5 to 8 kt. Mostly cloudy. Mixed swell...WNW 3 ft and SSW 2 ft. Wind waves around 1 ft.

      S 8kt
      3-4ft

    • Thursday Night

      Thursday Night:WSW wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Mixed swell...WNW 3 ft and SSW 2 ft. Wind waves 1 ft or less.

      WSW 6kt⇓
      3ft


Associated Zone Forecast which includes this point

Last Update: 2:42 pm PDT Jul 13, 2025
Forecast Valid: 9pm PDT Jul 13, 2025-6pm PDT Jul 20, 2025

View Nearby Observations

Detailed Forecast


Tonight
Variable winds 5 kt or less. Patchy dense fog after 4am. Mixed swell...WNW 3 ft at 10 seconds and S 2 ft at 17 seconds. Wind waves 1 ft or less.
Monday
Variable winds 5 kt or less. Mostly cloudy. Mixed swell...WNW 3 ft at 10 seconds and S 2 ft at 16 seconds. Wind waves 1 ft or less.
Monday Night
Variable winds 5 kt or less. Cloudy. Mixed swell...NW 3 ft at 10 seconds and S 2 ft at 15 seconds. Wind waves 1 ft or less.
Tuesday
SSW wind 5 to 9 kt. Mostly cloudy. Mixed swell...NW 5 ft and SSW 2 ft. Wind waves around 1 ft.
Tuesday Night
SW wind around 7 kt. Cloudy. Mixed swell...WNW 4 ft and SSW 2 ft. Wind waves around 1 ft.
Wednesday
S wind 7 to 9 kt. Cloudy. Mixed swell...WNW 4 ft and SSW 2 ft. Wind waves around 1 ft.
Wednesday Night
SSW wind 5 to 8 kt. Cloudy. Mixed swell...WNW 3 ft and SSW 2 ft. Wind waves 1 ft or less.
Thursday
S wind 5 to 8 kt. Mostly cloudy. Mixed swell...WNW 3 ft and SSW 2 ft. Wind waves around 1 ft.
Thursday Night
WSW wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Mixed swell...WNW 3 ft and SSW 2 ft. Wind waves 1 ft or less.

*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: 2:42 pm PDT Jul 13, 2025
Forecast Valid: 9pm PDT Jul 13, 2025-6pm PDT Jul 20, 2025
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