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

Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

4NM NNW San Francisco CA

Marine Point Forecast

[NOTICE]

    • Tuesday

      Tuesday:SW wind 9 to 13 kt. A chance of rain, mainly after 10am.

      SW 13kt

    • Tuesday Night

      Tuesday Night:SSW wind 8 to 11 kt. A slight chance of rain before midnight, then a slight chance of rain after 1am.

      SSW 11kt

    • Wednesday

      Wednesday:SSW wind 8 to 16 kt. Rain likely, mainly after 11am.

      SSW 16kt

    • Wednesday Night

      Wednesday Night:SW wind around 16 kt becoming WNW after midnight. Rain.

      SW 16kt

    • Thursday

      Thursday:NW wind 13 to 15 kt. A slight chance of rain before 11am.

      NW 15kt

    • Thursday Night

      Thursday Night:NNW wind 11 to 19 kt. Clear.

      NNW 19kt

    • Friday

      Friday:N wind 9 to 11 kt. Sunny.

      N 11kt

    • Friday Night

      Friday Night:NW wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Mostly clear.

      NW 11kt⇓

    • Saturday

      Saturday:NE wind 6 to 9 kt. Sunny.

      NE 9kt


Associated Zone Forecast which includes this point

Last Update: 1:26 am PDT Mar 31, 2026
Forecast Valid: 3am PDT Mar 31, 2026-6pm PDT Apr 6, 2026

View Nearby Observations

Detailed Forecast


Tuesday
SW wind 9 to 13 kt. A chance of rain, mainly after 10am.
Tuesday Night
SSW wind 8 to 11 kt. A slight chance of rain before midnight, then a slight chance of rain after 1am.
Wednesday
SSW wind 8 to 16 kt. Rain likely, mainly after 11am.
Wednesday Night
SW wind around 16 kt becoming WNW after midnight. Rain.
Thursday
NW wind 13 to 15 kt. A slight chance of rain before 11am.
Thursday Night
NNW wind 11 to 19 kt. Clear.
Friday
N wind 9 to 11 kt. Sunny.
Friday Night
NW wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Mostly clear.
Saturday
NE wind 6 to 9 kt. Sunny.

*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: 37.84°N 122.43°W
Last Update: 1:26 am PDT Mar 31, 2026
Forecast Valid: 3am PDT Mar 31, 2026-6pm PDT Apr 6, 2026
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