Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

43NM NW San Francisco CA

Marine Point Forecast

[NOTICE]
    • Monday

      Monday:ENE wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Sunny. Mixed swell...WNW 3 ft at 9 seconds and SSW 1 ft at 13 seconds becoming W. Wind waves around 1 ft.

      ENE 7kt⇓
      3ft

    • Monday Night

      Monday Night:Variable winds less than 5 kt becoming ENE around 6 kt after midnight. Mostly clear. WNW swell 3 ft at 8 seconds. Wind waves 1 ft or less.

      ⇑ENE 6kt
      3ft

    • Tuesday

      Tuesday:ENE wind 7 to 9 kt. Mostly sunny. Mixed swell...WNW 3 ft at 13 seconds and SW 1 ft at 5 seconds. Wind waves around 1 ft.

      ENE 9kt
      3ft

    • Tuesday Night

      Tuesday Night:Variable winds less than 5 kt becoming ENE around 6 kt in the evening. Mostly cloudy. Mixed swell...W 3 ft and WSW 1 ft becoming W. Wind waves 1 ft or less.

      ⇑ENE 6kt
      4ft

    • Wednesday

      Wednesday:E wind around 8 kt. A chance of rain after 10am.   W swell 3 ft. Wind waves around 1 ft.

      E 8kt
      4ft

    • Wednesday Night

      Wednesday Night:E wind 6 to 9 kt. Rain likely.   Mixed swell...WSW 3 ft and NW 1 ft becoming SSW. Wind waves around 1 ft.

      E 9kt
      4ft

    • New Year's Day

      New Year's Day:ESE wind around 12 kt, with gusts as high as 18 kt. Rain likely.   Mixed swell...SE 1 ft and SSW 4 ft becoming S. Wind waves around 1 ft.

      ESE 12kt
      4ft

    • Thursday Night

      Thursday Night:SE wind 9 to 12 kt. Rain.   Mixed swell...W 5 ft and SSW 2 ft becoming WSW. Wind waves 1 to 2 ft.

      SE 12kt
      5-6ft

    • Friday

      Friday:SE wind 14 to 16 kt, with gusts as high as 24 kt. Rain likely.   Mixed swell...W 1 ft and S 5 ft...becoming N 0 ft. Wind waves around 2 ft.

      SE 16kt
      5-6ft


Associated Zone Forecast which includes this point

Last Update: 12:27 am PST Dec 29, 2025
Forecast Valid: 2am PST Dec 29, 2025-6pm PST Jan 4, 2026

View Nearby Observations

Detailed Forecast


Monday
ENE wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Sunny. Mixed swell...WNW 3 ft at 9 seconds and SSW 1 ft at 13 seconds becoming W. Wind waves around 1 ft.
Monday Night
Variable winds less than 5 kt becoming ENE around 6 kt after midnight. Mostly clear. WNW swell 3 ft at 8 seconds. Wind waves 1 ft or less.
Tuesday
ENE wind 7 to 9 kt. Mostly sunny. Mixed swell...WNW 3 ft at 13 seconds and SW 1 ft at 5 seconds. Wind waves around 1 ft.
Tuesday Night
Variable winds less than 5 kt becoming ENE around 6 kt in the evening. Mostly cloudy. Mixed swell...W 3 ft and WSW 1 ft becoming W. Wind waves 1 ft or less.
Wednesday
E wind around 8 kt. A chance of rain after 10am. W swell 3 ft. Wind waves around 1 ft.
Wednesday Night
E wind 6 to 9 kt. Rain likely. Mixed swell...WSW 3 ft and NW 1 ft becoming SSW. Wind waves around 1 ft.
New Year's Day
ESE wind around 12 kt, with gusts as high as 18 kt. Rain likely. Mixed swell...SE 1 ft and SSW 4 ft becoming S. Wind waves around 1 ft.
Thursday Night
SE wind 9 to 12 kt. Rain. Mixed swell...W 5 ft and SSW 2 ft becoming WSW. Wind waves 1 to 2 ft.
Friday
SE wind 14 to 16 kt, with gusts as high as 24 kt. Rain likely. Mixed swell...W 1 ft and S 5 ft...becoming N 0 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: 38.27°N 123.09°W
Last Update: 12:27 am PST Dec 29, 2025
Forecast Valid: 2am PST Dec 29, 2025-6pm PST Jan 4, 2026
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