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

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 >

8NM SSE San Francisco CA

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:WNW wind 6 to 10 kt. Sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      WNW 10kt
      < 1ft

    • Tonight

      Tonight:WNW wind 8 to 12 kt. Mostly clear. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      WNW 12kt
      < 1ft

    • Tuesday

      Tuesday:W wind 6 to 12 kt. Sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      W 12kt
      < 1ft

    • Tuesday Night

      Tuesday Night:W wind 9 to 13 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

      W 13kt
      < 1ft

    • Wednesday

      Wednesday:WNW wind 7 to 12 kt. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

      WNW 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:W wind 9 to 14 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

      W 14kt
      < 1ft

    • Thursday

      Thursday:NW wind 8 to 10 kt. Sunny. N swell 0 ft. Wind waves 1 ft or less.

      NW 10kt
      < 1ft

    • Thursday Night

      Thursday Night:NW wind 5 to 14 kt. Clear. N swell 0 ft. Wind waves 1 ft or less.

      NW 14kt
      < 1ft

    • Friday

      Friday:Variable winds 5 kt or less. Sunny. N swell 0 ft. Wind waves 1 ft or less.

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:26 pm PDT Apr 13, 2026
Forecast Valid: 2pm PDT Apr 13, 2026-6pm PDT Apr 19, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
WNW wind 6 to 10 kt. Sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Tonight
WNW wind 8 to 12 kt. Mostly clear. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Tuesday
W wind 6 to 12 kt. Sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Tuesday Night
W wind 9 to 13 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Wednesday
WNW wind 7 to 12 kt. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.
Wednesday Night
W wind 9 to 14 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Thursday
NW wind 8 to 10 kt. Sunny. N swell 0 ft. Wind waves 1 ft or less.
Thursday Night
NW wind 5 to 14 kt. Clear. N swell 0 ft. Wind waves 1 ft or less.
Friday
Variable winds 5 kt or less. Sunny. N swell 0 ft. Wind 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: 37.65°N 122.35°W
Last Update: 1:26 pm PDT Apr 13, 2026
Forecast Valid: 2pm PDT Apr 13, 2026-6pm PDT Apr 19, 2026
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