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 into the morning. Read More >

45NM NW San Francisco CA

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:NW wind 12 to 16 kt, with gusts as high as 23 kt. A chance of rain before midnight.   N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      NW 16kt
      < 1ft

    • Thursday

      Thursday:WNW wind 7 to 12 kt increasing to 19 to 24 kt in the afternoon. Sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      ⇑WNW 24kt
      < 1ft

    • Thursday Night

      Thursday Night:NW wind 17 to 22 kt decreasing to 8 to 13 kt after midnight. Mostly clear. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      NW 22kt⇓
      < 1ft

    • Friday

      Friday:N wind 6 to 15 kt becoming WNW in the morning. Sunny. . Wind waves 1 ft or less.

      WNW 15kt
      < 1ft

    • Friday Night

      Friday Night:WNW wind 7 to 12 kt becoming variable and less than 5 kt in the evening. Mostly clear. . Wind waves 1 ft or less.

      WNW 12kt⇓
      < 1ft

    • Saturday

      Saturday:NE wind around 6 kt becoming W in the afternoon. Sunny. . Wind waves 1 ft or less.

      W 6kt
      < 1ft

    • Saturday Night

      Saturday Night:WNW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. . Waves 1 ft or less.

      WNW 7kt⇓
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming W 5 to 8 kt in the afternoon. Mostly sunny. . Waves 1 ft or less.

      ⇑W 8kt
      < 1ft

    • Sunday Night

      Sunday Night:WNW wind 5 to 8 kt. Partly cloudy. . Waves 1 ft or less.

      WNW 8kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:46 pm PDT Apr 1, 2026
Forecast Valid: 11pm PDT Apr 1, 2026-6pm PDT Apr 8, 2026

View Nearby Observations

Detailed Forecast


Overnight
NW wind 12 to 16 kt, with gusts as high as 23 kt. A chance of rain before midnight. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Thursday
WNW wind 7 to 12 kt increasing to 19 to 24 kt in the afternoon. Sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Thursday Night
NW wind 17 to 22 kt decreasing to 8 to 13 kt after midnight. Mostly clear. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Friday
N wind 6 to 15 kt becoming WNW in the morning. Sunny. . Wind waves 1 ft or less.
Friday Night
WNW wind 7 to 12 kt becoming variable and less than 5 kt in the evening. Mostly clear. . Wind waves 1 ft or less.
Saturday
NE wind around 6 kt becoming W in the afternoon. Sunny. . Wind waves 1 ft or less.
Saturday Night
WNW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. . Waves 1 ft or less.
Sunday
Variable winds less than 5 kt becoming W 5 to 8 kt in the afternoon. Mostly sunny. . Waves 1 ft or less.
Sunday Night
WNW wind 5 to 8 kt. Partly cloudy. . Waves 1 ft or less.

*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: 38.33°N 123.05°W
Last Update: 8:46 pm PDT Apr 1, 2026
Forecast Valid: 11pm PDT Apr 1, 2026-6pm PDT Apr 8, 2026
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