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

Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

12NM SSE San Francisco CA

Marine Point Forecast

[NOTICE]

    • Overnight

      Overnight:WSW wind around 6 kt becoming variable and less than 5 kt. Mostly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      WSW 6kt⇓
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming W 5 to 10 kt in the morning. Mostly cloudy through mid morning, then gradual clearing. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      ⇑W 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:W wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      W 7kt⇓
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming WNW 5 to 7 kt in the afternoon. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

      ⇑WNW 7kt
      < 1ft

    • Wednesday Night

      Wednesday Night:WNW wind 5 to 9 kt becoming variable and less than 5 kt in the evening. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.

      WNW 9kt⇓
      < 1ft

    • Thursday

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

      ⇑W 10kt
      < 1ft

    • Thursday Night

      Thursday Night:W wind 6 to 12 kt, with gusts as high as 18 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

      W 12kt
      < 1ft

    • Friday

      Friday:WNW wind 5 to 12 kt, with gusts as high as 19 kt. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

      WNW 12kt
      < 1ft

    • Friday Night

      Friday Night:W wind 8 to 13 kt becoming variable and less than 5 kt after midnight. Winds could gust as high as 20 kt. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.

      W 13kt⇓
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 11:27 pm PDT Sep 21, 2026
Forecast Valid: 12am PDT Sep 22, 2026-6pm PDT Sep 28, 2026

View Nearby Observations

Detailed Forecast


Overnight
WSW wind around 6 kt becoming variable and less than 5 kt. Mostly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming W 5 to 10 kt in the morning. Mostly cloudy through mid morning, then gradual clearing. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Tuesday Night
W wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming WNW 5 to 7 kt in the afternoon. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.
Wednesday Night
WNW wind 5 to 9 kt becoming variable and less than 5 kt in the evening. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.
Thursday
Variable winds less than 5 kt becoming W 5 to 10 kt in the afternoon. Sunny. N swell 0 ft. Wind waves 1 ft or less.
Thursday Night
W wind 6 to 12 kt, with gusts as high as 18 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Friday
WNW wind 5 to 12 kt, with gusts as high as 19 kt. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.
Friday Night
W wind 8 to 13 kt becoming variable and less than 5 kt after midnight. Winds could gust 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: 11:27 pm PDT Sep 21, 2026
Forecast Valid: 12am PDT Sep 22, 2026-6pm PDT Sep 28, 2026
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