Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

12NM SSE San Francisco CA

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:W wind 7 to 12 kt becoming variable and less than 5 kt after midnight. Winds could gust as high as 19 kt. Mostly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      W 12kt⇓
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming WSW 6 to 11 kt in the morning. Mostly sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      ⇑WSW 11kt
      < 1ft

    • Tuesday Night

      Tuesday Night:W wind 5 to 10 kt becoming variable and less than 5 kt in the evening. Partly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      W 10kt⇓
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming WSW 5 to 9 kt in the morning. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

      ⇑WSW 9kt
      < 1ft

    • Wednesday Night

      Wednesday Night:W wind 6 to 11 kt becoming variable and less than 5 kt in the evening. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

      W 11kt⇓
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming WSW 5 to 8 kt in the afternoon. A slight chance of rain.   N swell 0 ft. Wind waves 1 ft or less.

      ⇑WSW 8kt
      < 1ft

    • Thursday Night

      Thursday Night:W wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

      W 10kt⇓
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming W 5 to 10 kt in the afternoon. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

      ⇑W 10kt
      < 1ft

    • Friday Night

      Friday Night:W wind 5 to 14 kt, with gusts as high as 20 kt. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.

      W 14kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:26 pm PDT Aug 31, 2026
Forecast Valid: 4pm PDT Aug 31, 2026-6pm PDT Sep 7, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PDT THIS EVENING...

Tonight
W wind 7 to 12 kt becoming variable and less than 5 kt after midnight. Winds could gust as high as 19 kt. Mostly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming WSW 6 to 11 kt in the morning. Mostly sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Tuesday Night
W wind 5 to 10 kt becoming variable and less than 5 kt in the evening. Partly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming WSW 5 to 9 kt in the morning. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.
Wednesday Night
W wind 6 to 11 kt becoming variable and less than 5 kt in the evening. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Thursday
Variable winds less than 5 kt becoming WSW 5 to 8 kt in the afternoon. A slight chance of rain. N swell 0 ft. Wind waves 1 ft or less.
Thursday Night
W wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Friday
Variable winds less than 5 kt becoming W 5 to 10 kt in the afternoon. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.
Friday Night
W wind 5 to 14 kt, with gusts as high as 20 kt. Mostly clear. N swell 0 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: 37.59°N 122.3°W
Last Update: 1:26 pm PDT Aug 31, 2026
Forecast Valid: 4pm PDT Aug 31, 2026-6pm PDT Sep 7, 2026
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