Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

35NM W San Francisco CA

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds less than 5 kt becoming NNW 5 to 7 kt in the morning. Mostly sunny. Mixed swell...WNW 10 ft at 15 seconds and S 1 ft at 17 seconds. Wind waves 1 ft or less.

      ⇑NNW 7kt
      9-10ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:N wind 5 to 8 kt. Mostly cloudy. Mixed swell...W 9 to 10 ft at 14 seconds and SSW 4 ft at 16 seconds  decreasing to  at 13 seconds . Wind waves around 1 ft.

      N 8kt
      10ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday

      Friday:N wind 5 to 8 kt. Partly sunny. Mixed swell...W 7 to 8 ft at 13 seconds and SSW 3 to 4 ft at 15 seconds. Wind waves 1 ft or less.

      N 8kt
      8-9ft

    • Friday Night

      Friday Night:NE wind around 8 kt. Mostly cloudy. Mixed swell...W 7 ft and SW 3 ft. Wind waves around 1 ft.

      NE 8kt
      7-8ft

    • Saturday

      Saturday:E wind around 8 kt. Partly sunny. Mixed swell...W 7 ft and S 1 to 2 ft. Wind waves around 1 ft.

      E 8kt
      7ft

    • Saturday Night

      Saturday Night:SE wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Mixed swell...W 7 ft and SSW 2 ft becoming SW. Wind waves 1 ft or less.

      SE 6kt⇓
      7-8ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming NNW around 6 kt in the afternoon. A slight chance of rain after 10am.   Mixed swell...WNW 8 ft and SW 3 ft. Wind waves 1 ft or less.

      ⇑NNW 6kt
      8-9ft

    • Sunday Night

      Sunday Night:NW wind 12 to 14 kt. Partly cloudy. Mixed swell...W 9 ft and SW 6 ft. Wind waves around 2 ft.

      NW 14kt
      10-11ft

    • Monday

      Monday:NNW wind 10 to 12 kt. Sunny. Mixed swell...W 9 ft and SSW 4 to 5 ft. Wind waves around 2 ft.

      NNW 12kt
      10-11ft


Associated Zone Forecast which includes this point

Last Update: 12:26 am PST Jan 29, 2026
Forecast Valid: 8am PST Jan 29, 2026-6pm PST Feb 4, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

Today
Variable winds less than 5 kt becoming NNW 5 to 7 kt in the morning. Mostly sunny. Mixed swell...WNW 10 ft at 15 seconds and S 1 ft at 17 seconds. Wind waves 1 ft or less.
Tonight
N wind 5 to 8 kt. Mostly cloudy. Mixed swell...W 9 to 10 ft at 14 seconds and SSW 4 ft at 16 seconds decreasing to at 13 seconds . Wind waves around 1 ft.
Friday
N wind 5 to 8 kt. Partly sunny. Mixed swell...W 7 to 8 ft at 13 seconds and SSW 3 to 4 ft at 15 seconds. Wind waves 1 ft or less.
Friday Night
NE wind around 8 kt. Mostly cloudy. Mixed swell...W 7 ft and SW 3 ft. Wind waves around 1 ft.
Saturday
E wind around 8 kt. Partly sunny. Mixed swell...W 7 ft and S 1 to 2 ft. Wind waves around 1 ft.
Saturday Night
SE wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Mixed swell...W 7 ft and SSW 2 ft becoming SW. Wind waves 1 ft or less.
Sunday
Variable winds less than 5 kt becoming NNW around 6 kt in the afternoon. A slight chance of rain after 10am. Mixed swell...WNW 8 ft and SW 3 ft. Wind waves 1 ft or less.
Sunday Night
NW wind 12 to 14 kt. Partly cloudy. Mixed swell...W 9 ft and SW 6 ft. Wind waves around 2 ft.
Monday
NNW wind 10 to 12 kt. Sunny. Mixed swell...W 9 ft and SSW 4 to 5 ft. Wind waves around 2 ft.

*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: 37.67°N 123.16°W
Last Update: 12:26 am PST Jan 29, 2026
Forecast Valid: 8am PST Jan 29, 2026-6pm PST Feb 4, 2026
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