12NM W San Francisco CA

Marine Point Forecast

[NOTICE]
    • Today

      Today:W wind 8 to 18 km/h. Mostly cloudy. Mixed swell...WNW 1 ft at 8 seconds and SSW 1 ft at 15 seconds. Wind waves 1 m or less.

      W 18km/h
      1m

    • Tonight

      Tonight:WNW wind 14 to 21 km/h. Mostly cloudy. Mixed swell...WNW 2 ft at 8 seconds and SSW 1 ft at 15 seconds. Wind waves around 1 m.

      WNW 21km/h
      1m

    • Thursday

      Thursday:WNW wind 14 to 24 km/h, with gusts as high as 34 km/h. Mostly cloudy. Mixed swell...WNW 1 ft at 7 seconds and SSW 1 ft at 15 seconds. Wind waves 1 m or less.

      WNW 24km/h
      1m

    • Thursday Night

      Thursday Night:WNW wind 23 to 26 km/h, with gusts as high as 34 km/h. Cloudy. Mixed swell...WNW 1 ft and SSW 1 ft. Wind waves around 1 m.

      WNW 26km/h
      1m

    • Friday

      Friday:WNW wind 24 to 27 km/h, with gusts as high as 35 km/h. Mostly cloudy. WNW swell 1 ft. Wind waves around 1 m.

      WNW 27km/h
      1m

    • Friday Night

      Friday Night:WNW wind around 27 km/h, with gusts as high as 35 km/h. Mostly cloudy. WNW swell 1 ft. Wind waves around 1 m.

      WNW 27km/h
      1m

    • Saturday

      Saturday:WNW wind around 27 km/h, with gusts as high as 35 km/h. Partly sunny. WNW swell 1 ft. Wind waves around 1 m.

      WNW 27km/h
      1m

    • Saturday Night

      Saturday Night:WNW wind 24 to 29 km/h decreasing to 16 to 21 km/h after midnight. Winds could gust as high as 35 km/h. Mostly cloudy. WNW swell 1 ft. Wind waves around 1 m.

      WNW 29km/h⇓
      1m

    • Sunday

      Sunday:W wind around 14 km/h. Mostly cloudy. WNW swell 1 ft. Wind waves 1 m or less.

      W 14km/h
      1m


Associated Zone Forecast which includes this point

Last Update: 2:31 am PDT Aug 19, 2026
Forecast Valid: 5am PDT Aug 19, 2026-6pm PDT Aug 25, 2026

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Detailed Forecast


Today
W wind 8 to 18 km/h. Mostly cloudy. Mixed swell...WNW 1 ft at 8 seconds and SSW 1 ft at 15 seconds. Wind waves 1 m or less.
Tonight
WNW wind 14 to 21 km/h. Mostly cloudy. Mixed swell...WNW 2 ft at 8 seconds and SSW 1 ft at 15 seconds. Wind waves around 1 m.
Thursday
WNW wind 14 to 24 km/h, with gusts as high as 34 km/h. Mostly cloudy. Mixed swell...WNW 1 ft at 7 seconds and SSW 1 ft at 15 seconds. Wind waves 1 m or less.
Thursday Night
WNW wind 23 to 26 km/h, with gusts as high as 34 km/h. Cloudy. Mixed swell...WNW 1 ft and SSW 1 ft. Wind waves around 1 m.
Friday
WNW wind 24 to 27 km/h, with gusts as high as 35 km/h. Mostly cloudy. WNW swell 1 ft. Wind waves around 1 m.
Friday Night
WNW wind around 27 km/h, with gusts as high as 35 km/h. Mostly cloudy. WNW swell 1 ft. Wind waves around 1 m.
Saturday
WNW wind around 27 km/h, with gusts as high as 35 km/h. Partly sunny. WNW swell 1 ft. Wind waves around 1 m.
Saturday Night
WNW wind 24 to 29 km/h decreasing to 16 to 21 km/h after midnight. Winds could gust as high as 35 km/h. Mostly cloudy. WNW swell 1 ft. Wind waves around 1 m.
Sunday
W wind around 14 km/h. Mostly cloudy. WNW swell 1 ft. Wind waves 1 m or less.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 2 to 4 ft at 14 seconds. ACROSS THE BAR...Swell can be more than twice as high across the bar than surrounding waters. Waves are also more prone to break, particularly during strong ebb currents. Maximum ebb current of 1.1 kt at 10:29 AM Wednesday and 2.1 kt at 10:17 PM Wednesday.

*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: 2:31 am PDT Aug 19, 2026
Forecast Valid: 5am PDT Aug 19, 2026-6pm PDT Aug 25, 2026
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