Heavy Snow and Disruptive Ice in the Upper Midwest; Severe Thunderstorms in the Southern Plains

A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains today. Read More >

13NM WNW San Francisco CA

Marine Point Forecast

[NOTICE]
    • Today

      Today:WSW wind 11 to 17 kt, with gusts as high as 23 kt. Rain likely, mainly before 2pm.   Mixed swell...W 1 to 2 ft at 9 seconds and SSW 1 ft at 5 seconds. Wind waves 1 to 2 ft.

      WSW 17kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:SW wind 16 to 22 kt becoming NW after midnight. Rain, mainly before 1am.   Mixed swell...WNW 1 ft at 12 seconds and SW 2 ft at 5 seconds  building to  at 12 seconds . Wind waves 2 to 3 ft.

      WNW 22kt
      2-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday

      Thursday:WNW wind 14 to 22 kt. Sunny. Mixed swell...W 2 ft at 9 seconds and SSW 1 ft at 12 seconds  decreasing to  at 8 seconds . Wind waves 3 to 4 ft.

      WNW 22kt
      3-5ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday Night

      Thursday Night:NNW wind 19 to 24 kt decreasing to 12 to 17 kt after midnight. Clear. Mixed swell...WNW 4 ft and SSW 1 ft. Wind waves around 4 ft.

      NNW 24kt⇓
      5-6ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday

      Friday:NNW wind 7 to 14 kt. Sunny. . Wind waves around 2 ft.

      NNW 14kt
      4ft

    • Friday Night

      Friday Night:WNW wind 10 to 15 kt becoming variable and less than 5 kt in the evening. Mostly clear. . Wind waves 2 to 3 ft.

      WNW 15kt⇓
      3ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming ENE 5 to 8 kt in the morning. Sunny. . Wind waves around 1 ft.

      ⇑ENE 8kt
      2-3ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Mostly clear. . Waves around 2 ft.

      Light Wind
      2ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Sunny. . Waves around 2 ft.

      Light Wind
      2ft


Associated Zone Forecast which includes this point

Last Update: 2:36 am PDT Apr 1, 2026
Forecast Valid: 7am PDT Apr 1, 2026-6pm PDT Apr 7, 2026

View Nearby Observations

Detailed Forecast


Today
WSW wind 11 to 17 kt, with gusts as high as 23 kt. Rain likely, mainly before 2pm. Mixed swell...W 1 to 2 ft at 9 seconds and SSW 1 ft at 5 seconds. Wind waves 1 to 2 ft.
Tonight
SW wind 16 to 22 kt becoming NW after midnight. Rain, mainly before 1am. Mixed swell...WNW 1 ft at 12 seconds and SW 2 ft at 5 seconds building to at 12 seconds . Wind waves 2 to 3 ft.
Thursday
WNW wind 14 to 22 kt. Sunny. Mixed swell...W 2 ft at 9 seconds and SSW 1 ft at 12 seconds decreasing to at 8 seconds . Wind waves 3 to 4 ft.
Thursday Night
NNW wind 19 to 24 kt decreasing to 12 to 17 kt after midnight. Clear. Mixed swell...WNW 4 ft and SSW 1 ft. Wind waves around 4 ft.
Friday
NNW wind 7 to 14 kt. Sunny. . Wind waves around 2 ft.
Friday Night
WNW wind 10 to 15 kt becoming variable and less than 5 kt in the evening. Mostly clear. . Wind waves 2 to 3 ft.
Saturday
Variable winds less than 5 kt becoming ENE 5 to 8 kt in the morning. Sunny. . Wind waves around 1 ft.
Saturday Night
Variable winds 5 kt or less. Mostly clear. . Waves around 2 ft.
Sunday
Variable winds 5 kt or less. Sunny. . 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: 37.85°N 122.66°W
Last Update: 2:36 am PDT Apr 1, 2026
Forecast Valid: 7am PDT Apr 1, 2026-6pm PDT Apr 7, 2026
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