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Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

4NM NNW San Francisco CA

Marine Point Forecast

[NOTICE]

    • Today

      Today:N wind 5 to 13 kt becoming W in the afternoon. Sunny.

      W 13kt

    • Tonight

      Tonight:WNW wind 10 to 13 kt. Mostly clear.

      WNW 13kt

    • Tuesday

      Tuesday:W wind 7 to 15 kt. Sunny.

      W 15kt

    • Tuesday Night

      Tuesday Night:W wind 11 to 15 kt. Partly cloudy.

      W 15kt

    • Wednesday

      Wednesday:WNW wind 11 to 16 kt. Mostly sunny.

      WNW 16kt

    • Wednesday Night

      Wednesday Night:W wind 13 to 16 kt. Partly cloudy.

      W 16kt

    • Thursday

      Thursday:NW wind 11 to 13 kt. Sunny.

      NW 13kt

    • Thursday Night

      Thursday Night:NW wind 9 to 14 kt. Clear.

      NW 14kt

    • Friday

      Friday:N wind 6 to 8 kt becoming WNW in the afternoon. Sunny.

      N 8kt


Associated Zone Forecast which includes this point

Last Update: 11:51 am PDT Apr 13, 2026
Forecast Valid: 11am PDT Apr 13, 2026-6pm PDT Apr 19, 2026

View Nearby Observations

Detailed Forecast


Today
N wind 5 to 13 kt becoming W in the afternoon. Sunny.
Tonight
WNW wind 10 to 13 kt. Mostly clear.
Tuesday
W wind 7 to 15 kt. Sunny.
Tuesday Night
W wind 11 to 15 kt. Partly cloudy.
Wednesday
WNW wind 11 to 16 kt. Mostly sunny.
Wednesday Night
W wind 13 to 16 kt. Partly cloudy.
Thursday
NW wind 11 to 13 kt. Sunny.
Thursday Night
NW wind 9 to 14 kt. Clear.
Friday
N wind 6 to 8 kt becoming WNW in the afternoon. 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: 11:51 am PDT Apr 13, 2026
Forecast Valid: 11am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
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