Point Forecast: 12NM SW San Francisco CA
 37.65N 122.61W (Elev. 0 ft)
Last Update: 1:25 pm PDT Sep 6, 2026
Tabular Forecast
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Weather ElementsWeather/PrecipitationMarine Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Fog
Swell Period
Swell Hgt/Dir
Swell 2 Period
Swell 2 Hgt/Dir
Wind Wave Height
Significant Wave Height
Freezing Spray

48-Hour Period Starting:       Back 2 Days  

Date09/0609/07
Hour (PDT)141516171819202122230001020304050607080910111213
Surface Wind (kt)10101111111111111111109765433333234
Wind DirWNWWNWWNWWNWWNWWNWWNWWNWNWNWNWNWNWNWNWNWNWNWNNWNNNWWNWWNW
Gust1616161616
Significant Wave Height (ft) 444555555555555555555444
Swell Height (ft) 222333333444444333333333
Swell Dir300300300300300300300300300300300300300300300290290290290290290300300300
Swell Period (sec) 777777777777777888888888
Swell 2 Height (ft) 333333333333333333333333
Swell 2 Dir190190190200200200200200200200200200200200200200200200200200200200200200
Swell 2 Period (sec) 151515151515151515141414141414141414141414141414
Wind Wave Height (ft) 222222222222222000000111

Date09/08
Hour (PDT)141516171819202122230001020304050607080910111213
Surface Wind (kt)567888555333333333333333
Wind DirWNWWNWWNWWNWWNWWNWWNWWNWWNWWWWWSWWSWWSWSWSWSWSSSSWSWSW
Gust
Significant Wave Height (ft) 444444444444444444444444
Swell Height (ft) 333222222333333333333333
Swell Dir300300300300300300300300300300300300300300300300300300300300300300300300
Swell Period (sec) 888777777777777888888888
Swell 2 Height (ft) 333333333333333222222222
Swell 2 Dir200200200200200200200200200200200200200200200200200200200200200200200200
Swell 2 Period (sec) 141414141414141414131313131313121212121212121212
Wind Wave Height (ft) 111111111000000000000000

Additional Forecasts and Information
International System of UnitsForecast Discussion
Marine Point ForecastHourly Weather Graph
National Marine ForecastsTide Information
River Stage Summary24 Hour Precipitation Summary
NWS Office Map