Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

12NM W San Francisco CA

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NNW wind around 10 kt. Sunny. Mixed swell...W 4 ft at 12 seconds and SW 1 ft at 7 seconds. Wind waves around 1 ft.

      NNW 10kt
      4ft

    • Tonight

      Tonight:ENE wind 9 to 11 kt. Mostly clear. Mixed swell...W 4 ft at 15 seconds and SW 1 ft at 16 seconds  decreasing to  at 12 seconds . Wind waves 1 to 2 ft.

      ENE 11kt
      4-5ft

    • Thursday

      Thursday:ENE wind 12 to 15 kt. Sunny. Mixed swell...WNW 3 ft at 14 seconds and SSW 2 ft at 10 seconds. Wind waves 2 to 3 ft.

      ENE 15kt
      4ft

    • Thursday Night

      Thursday Night:ENE wind around 10 kt. Mostly clear. Mixed swell...WNW 3 ft and SSW 1 ft. Wind waves around 1 ft.

      ENE 10kt
      4ft

    • Friday

      Friday:ENE wind around 13 kt. Sunny. Mixed swell...WNW 2 to 3 ft and SSW 1 ft becoming S. Wind waves around 2 ft.

      ENE 13kt
      3ft

    • Friday Night

      Friday Night:NNE wind around 9 kt. Mostly clear. Mixed swell...WNW 2 to 3 ft and S 1 ft. Wind waves around 1 ft.

      NNE 9kt
      3ft

    • Saturday

      Saturday:NE wind 11 to 13 kt. Sunny. Mixed swell...WNW 1 ft and S 1 ft. Wind waves around 2 ft.

      NE 13kt
      2ft

    • Saturday Night

      Saturday Night:NNE wind around 8 kt. Partly cloudy. Mixed swell...W 2 ft and S 1 ft. Wind waves around 1 ft.

      NNE 8kt
      2ft

    • Sunday

      Sunday:N wind 8 to 10 kt. Sunny. Mixed swell...W 3 ft and SSW 1 ft. Wind waves around 1 ft.

      N 10kt
      3ft


Associated Zone Forecast which includes this point

Last Update: 1:24 pm PST Jan 14, 2026
Forecast Valid: 2pm PST Jan 14, 2026-6pm PST Jan 20, 2026

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Detailed Forecast


This Afternoon
NNW wind around 10 kt. Sunny. Mixed swell...W 4 ft at 12 seconds and SW 1 ft at 7 seconds. Wind waves around 1 ft.
Tonight
ENE wind 9 to 11 kt. Mostly clear. Mixed swell...W 4 ft at 15 seconds and SW 1 ft at 16 seconds decreasing to at 12 seconds . Wind waves 1 to 2 ft.
Thursday
ENE wind 12 to 15 kt. Sunny. Mixed swell...WNW 3 ft at 14 seconds and SSW 2 ft at 10 seconds. Wind waves 2 to 3 ft.
Thursday Night
ENE wind around 10 kt. Mostly clear. Mixed swell...WNW 3 ft and SSW 1 ft. Wind waves around 1 ft.
Friday
ENE wind around 13 kt. Sunny. Mixed swell...WNW 2 to 3 ft and SSW 1 ft becoming S. Wind waves around 2 ft.
Friday Night
NNE wind around 9 kt. Mostly clear. Mixed swell...WNW 2 to 3 ft and S 1 ft. Wind waves around 1 ft.
Saturday
NE wind 11 to 13 kt. Sunny. Mixed swell...WNW 1 ft and S 1 ft. Wind waves around 2 ft.
Saturday Night
NNE wind around 8 kt. Partly cloudy. Mixed swell...W 2 ft and S 1 ft. Wind waves around 1 ft.
Sunday
N wind 8 to 10 kt. Sunny. Mixed swell...W 3 ft and SSW 1 ft. Wind waves around 1 ft.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 5 to 7 feet at 15 seconds...decreasing to 4 to 6 feet at 13 seconds late Monday night. ACROSS THE BAR...Mixed seas of 9 to 12 feet at 15 seconds...decreasing to 7 to 10 feet at 13 seconds late Monday night. Maximum ebb current of 2.4 kt at 01:12 PM Wednesday and 0.9 kt at 01:52 AM Thursday.

*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: 37.78°N 122.67°W
Last Update: 1:24 pm PST Jan 14, 2026
Forecast Valid: 2pm PST Jan 14, 2026-6pm PST Jan 20, 2026
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