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

4NM NW San Francisco CA

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:W wind around 8 kt becoming SSW after midnight. A chance of rain before 2am, then a chance of showers and thunderstorms between 2am and 5am, then showers likely and possibly a thunderstorm after 5am.

      W 8kt

    • Wednesday

      Wednesday:SSE wind around 8 kt becoming W in the afternoon. Rain and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm.

      SSE 8kt

    • Wednesday Night

      Wednesday Night:WNW wind 5 to 7 kt becoming NNW after midnight. Mostly clear.

      WNW 7kt

    • Thursday

      Thursday:NNW wind 5 to 9 kt becoming W in the afternoon. Sunny.

      W 9kt

    • Thursday Night

      Thursday Night:W wind 5 to 11 kt. Partly cloudy.

      W 11kt

    • Friday

      Friday:Variable winds less than 5 kt becoming WSW 5 to 9 kt in the afternoon. Partly sunny.

      ⇑WSW 9kt

    • Friday Night

      Friday Night:W wind 8 to 11 kt. Mostly cloudy.

      W 11kt

    • Saturday

      Saturday:WSW wind 8 to 13 kt. Partly sunny.

      WSW 13kt

    • Saturday Night

      Saturday Night:WSW wind 8 to 13 kt. Partly cloudy.

      WSW 13kt


Associated Zone Forecast which includes this point

Last Update: 8:32 pm PDT Apr 21, 2026
Forecast Valid: 10pm PDT Apr 21, 2026-6pm PDT Apr 28, 2026

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Detailed Forecast


Tonight
W wind around 8 kt becoming SSW after midnight. A chance of rain before 2am, then a chance of showers and thunderstorms between 2am and 5am, then showers likely and possibly a thunderstorm after 5am.
Wednesday
SSE wind around 8 kt becoming W in the afternoon. Rain and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm.
Wednesday Night
WNW wind 5 to 7 kt becoming NNW after midnight. Mostly clear.
Thursday
NNW wind 5 to 9 kt becoming W in the afternoon. Sunny.
Thursday Night
W wind 5 to 11 kt. Partly cloudy.
Friday
Variable winds less than 5 kt becoming WSW 5 to 9 kt in the afternoon. Partly sunny.
Friday Night
W wind 8 to 11 kt. Mostly cloudy.
Saturday
WSW wind 8 to 13 kt. Partly sunny.
Saturday Night
WSW wind 8 to 13 kt. Partly cloudy.

Winds and waves higher in and near tstms.

*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: 37.83°N 122.48°W
Last Update: 8:32 pm PDT Apr 21, 2026
Forecast Valid: 10pm PDT Apr 21, 2026-6pm PDT Apr 28, 2026
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