Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

4NM NNW San Francisco CA

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:WSW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly cloudy.

      WSW 8kt⇓

    • Sunday

      Sunday:Variable winds less than 5 kt becoming WSW 8 to 13 kt in the morning. Mostly cloudy, then gradually becoming sunny.

      ⇑WSW 13kt

    • Sunday Night

      Sunday Night:WSW wind around 13 kt becoming S after midnight. Mostly cloudy.

      WSW 13kt

    • Monday

      Monday:SSE wind 12 to 16 kt. Showers likely, mainly after 11am.

      SSE 16kt

    • Monday Night

      Monday Night:SSW wind 10 to 16 kt. Showers.

      SSW 16kt

    • Tuesday

      Tuesday:S wind 9 to 17 kt. Showers, with thunderstorms also possible after 11am.

      S 17kt

    • Tuesday Night

      Tuesday Night:WSW wind 9 to 15 kt. Showers likely and possibly a thunderstorm before 11pm, then a chance of showers.

      WSW 15kt

    • Wednesday

      Wednesday:WSW wind 7 to 12 kt. A chance of showers.

      WSW 12kt

    • Wednesday Night

      Wednesday Night:WNW wind 9 to 14 kt. Mostly clear.

      WNW 14kt


Associated Zone Forecast which includes this point

Last Update: 1:26 pm PDT Apr 18, 2026
Forecast Valid: 6pm PDT Apr 18, 2026-6pm PDT Apr 25, 2026

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Detailed Forecast


Tonight
WSW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly cloudy.
Sunday
Variable winds less than 5 kt becoming WSW 8 to 13 kt in the morning. Mostly cloudy, then gradually becoming sunny.
Sunday Night
WSW wind around 13 kt becoming S after midnight. Mostly cloudy.
Monday
SSE wind 12 to 16 kt. Showers likely, mainly after 11am.
Monday Night
SSW wind 10 to 16 kt. Showers.
Tuesday
S wind 9 to 17 kt. Showers, with thunderstorms also possible after 11am.
Tuesday Night
WSW wind 9 to 15 kt. Showers likely and possibly a thunderstorm before 11pm, then a chance of showers.
Wednesday
WSW wind 7 to 12 kt. A chance of showers.
Wednesday Night
WNW wind 9 to 14 kt. Mostly clear.

Winds and waves higher in and near tstms.

*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 pm PDT Apr 18, 2026
Forecast Valid: 6pm PDT Apr 18, 2026-6pm PDT Apr 25, 2026
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