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

Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Hazardous Weather Conditions

45NM NW San Francisco CA

Marine Point Forecast

[NOTICE]

    • Today

      Today:WNW wind 16 to 19 kt. Mostly sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      WNW 19kt
      < 1ft

    • Tonight

      Tonight:WNW wind 15 to 18 kt. Mostly cloudy, then gradually becoming clear. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      WNW 18kt
      < 1ft

    • Thursday

      Thursday:N wind 9 to 16 kt becoming WNW in the afternoon. Sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      NW 16kt
      < 1ft

    • Thursday Night

      Thursday Night:NW wind 8 to 17 kt becoming N after midnight. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.

      NW 17kt
      < 1ft

    • Friday

      Friday:N wind 5 to 11 kt becoming WNW in the afternoon. Sunny. N swell 0 ft. Wind waves 1 ft or less.

      WNW 11kt
      < 1ft

    • Friday Night

      Friday Night:NW wind 8 to 12 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

      NW 12kt
      < 1ft

    • Saturday

      Saturday:NNW wind 5 to 9 kt becoming W in the afternoon. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

      W 9kt
      < 1ft

    • Saturday Night

      Saturday Night:WNW wind 5 to 10 kt. Mostly cloudy. N swell 0 ft. Wind waves 1 ft or less.

      WNW 10kt
      < 1ft

    • Sunday

      Sunday:W wind 5 to 11 kt becoming S in the morning. A chance of rain. N swell 0 ft. Wind waves 1 ft or less.

      SW 11kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 10:35 am PDT Apr 15, 2026
Forecast Valid: 10am PDT Apr 15, 2026-6pm PDT Apr 21, 2026

View Nearby Observations

Detailed Forecast


Today
WNW wind 16 to 19 kt. Mostly sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Tonight
WNW wind 15 to 18 kt. Mostly cloudy, then gradually becoming clear. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Thursday
N wind 9 to 16 kt becoming WNW in the afternoon. Sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Thursday Night
NW wind 8 to 17 kt becoming N after midnight. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.
Friday
N wind 5 to 11 kt becoming WNW in the afternoon. Sunny. N swell 0 ft. Wind waves 1 ft or less.
Friday Night
NW wind 8 to 12 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Saturday
NNW wind 5 to 9 kt becoming W in the afternoon. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.
Saturday Night
WNW wind 5 to 10 kt. Mostly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Sunday
W wind 5 to 11 kt becoming S in the morning. A chance of rain. 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: 38.33°N 123.05°W
Last Update: 10:35 am PDT Apr 15, 2026
Forecast Valid: 10am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
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