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

Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

17NM W San Francisco CA

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:Variable winds less than 5 kt becoming WNW 5 to 7 kt. Sunny. Mixed swell...WNW 4 ft at 13 seconds and SW 1 ft at 7 seconds. Wind waves around 1 ft.

      ⇑WNW 7kt
      4ft

    • Tonight

      Tonight:Variable winds less than 5 kt becoming E 8 to 13 kt after midnight. Increasing clouds. Mixed swell...WNW 3 to 4 ft at 14 seconds and SW 1 ft at 10 seconds building to at 13 seconds . Wind waves 1 to 2 ft.

      ⇑E 13kt
      4ft

    • Sunday

      Sunday:E wind 8 to 16 kt. Mostly cloudy. Mixed swell...NW 2 ft at 10 seconds and S 1 ft at 7 seconds building to at 10 seconds . Wind waves 2 to 3 ft.

      E 16kt
      3ft

    • Sunday Night

      Sunday Night:E wind around 8 kt. Cloudy, then gradually becoming partly cloudy. Mixed swell...WNW 2 ft and SSW 1 ft. Wind waves around 1 ft.

      E 8kt
      2-3ft

    • Monday

      Monday:E wind 8 to 11 kt. Mostly sunny. Mixed swell...NW 2 ft and SSW 1 ft. Wind waves around 1 ft.

      E 11kt
      2-3ft

    • Monday Night

      Monday Night:Variable winds less than 5 kt becoming E 5 to 7 kt in the evening. Partly cloudy. Mixed swell...W 2 ft and SSW 1 to 2 ft. Wind waves 1 ft or less.

      ⇑E 7kt
      2ft

    • Tuesday

      Tuesday:E wind 9 to 11 kt. A slight chance of rain after 4pm. Mixed swell...W 1 to 2 ft and S 2 ft. Wind waves around 1 ft.

      E 11kt
      2ft

    • Tuesday Night

      Tuesday Night:SE wind 7 to 9 kt. A chance of rain. Mixed swell...WNW 1 to 2 ft and SSW 2 ft. Wind waves around 1 ft.

      SE 9kt
      3ft

    • Wednesday

      Wednesday:ENE wind around 9 kt becoming NNE in the afternoon. A chance of rain. Mixed swell...W 4 ft and S 3 ft. Wind waves around 2 ft.

      ENE 9kt
      4-5ft


Associated Zone Forecast which includes this point

Last Update: 12:26 pm PST Jan 24, 2026
Forecast Valid: 12pm PST Jan 24, 2026-6pm PST Jan 30, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
Variable winds less than 5 kt becoming WNW 5 to 7 kt. Sunny. Mixed swell...WNW 4 ft at 13 seconds and SW 1 ft at 7 seconds. Wind waves around 1 ft.
Tonight
Variable winds less than 5 kt becoming E 8 to 13 kt after midnight. Increasing clouds. Mixed swell...WNW 3 to 4 ft at 14 seconds and SW 1 ft at 10 seconds building to at 13 seconds . Wind waves 1 to 2 ft.
Sunday
E wind 8 to 16 kt. Mostly cloudy. Mixed swell...NW 2 ft at 10 seconds and S 1 ft at 7 seconds building to at 10 seconds . Wind waves 2 to 3 ft.
Sunday Night
E wind around 8 kt. Cloudy, then gradually becoming partly cloudy. Mixed swell...WNW 2 ft and SSW 1 ft. Wind waves around 1 ft.
Monday
E wind 8 to 11 kt. Mostly sunny. Mixed swell...NW 2 ft and SSW 1 ft. Wind waves around 1 ft.
Monday Night
Variable winds less than 5 kt becoming E 5 to 7 kt in the evening. Partly cloudy. Mixed swell...W 2 ft and SSW 1 to 2 ft. Wind waves 1 ft or less.
Tuesday
E wind 9 to 11 kt. A slight chance of rain after 4pm. Mixed swell...W 1 to 2 ft and S 2 ft. Wind waves around 1 ft.
Tuesday Night
SE wind 7 to 9 kt. A chance of rain. Mixed swell...WNW 1 to 2 ft and SSW 2 ft. Wind waves around 1 ft.
Wednesday
ENE wind around 9 kt becoming NNE in the afternoon. A chance of rain. Mixed swell...W 4 ft and S 3 ft. Wind waves around 2 ft.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 4 to 5 feet at 9 seconds. ACROSS THE BAR...Swell can be more than twice as high across the bar than surrounding waters. Waves are also more prone to break, particularly during strong ebb currents. Maximum ebb current of 1.9 kt at 08:16 PM Saturday and 2.8 kt at 08:52 AM Sunday.

*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: 37.76°N 122.78°W
Last Update: 12:26 pm PST Jan 24, 2026
Forecast Valid: 12pm PST Jan 24, 2026-6pm PST Jan 30, 2026
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