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

Heat Builds in the West; Severe Thunderstorms and Heavy Rain in the Upper Midwest and Mid-Mississippi Valley; Extremely Critical Fire Weather in the Northwest on Saturday

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rainfall are expected over parts of the Upper Midwest to mid-Mississippi Valley today. Critical to extremely critical fire weather conditions from the Northwest and the northern Great Basin on Saturday and Sunday. Read More >

Hazardous Weather Conditions

17NM S San Francisco CA

Marine Point Forecast

[NOTICE]

    • Today

      Today:WNW wind 5 to 11 kt. Mostly sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      WNW 11kt
      < 1ft

    • Tonight

      Tonight:WNW wind 7 to 10 kt. Mostly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      WNW 10kt
      < 1ft

    • Saturday

      Saturday:WNW wind 7 to 12 kt. Partly sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      WNW 12kt
      < 1ft

    • Saturday Night

      Saturday Night:WNW wind 10 to 14 kt. Mostly cloudy. N swell 0 ft. Wind waves 1 ft or less.

      WNW 14kt
      < 1ft

    • Sunday

      Sunday:WNW wind 6 to 11 kt. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

      WNW 11kt
      < 1ft

    • Sunday Night

      Sunday Night:WNW wind 6 to 11 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

      WNW 11kt
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming WSW 5 to 8 kt in the afternoon. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

      ⇑WSW 8kt
      < 1ft

    • Monday Night

      Monday Night:WSW wind around 6 kt becoming variable and less than 5 kt. Mostly cloudy. N swell 0 ft. Wind waves 1 ft or less.

      WSW 6kt⇓
      < 1ft

    • Tuesday

      Tuesday:S wind 5 to 9 kt. Partly sunny. N swell 0 ft. Wind waves 1 ft or less.

      S 9kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:26 am PDT Jul 31, 2026
Forecast Valid: 5am PDT Jul 31, 2026-6pm PDT Aug 6, 2026

View Nearby Observations

Detailed Forecast


Today
WNW wind 5 to 11 kt. Mostly sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Tonight
WNW wind 7 to 10 kt. Mostly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Saturday
WNW wind 7 to 12 kt. Partly sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Saturday Night
WNW wind 10 to 14 kt. Mostly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Sunday
WNW wind 6 to 11 kt. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.
Sunday Night
WNW wind 6 to 11 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Monday
Variable winds less than 5 kt becoming WSW 5 to 8 kt in the afternoon. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.
Monday Night
WSW wind around 6 kt becoming variable and less than 5 kt. Mostly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Tuesday
S wind 5 to 9 kt. Partly 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: 37.51°N 122.49°W
Last Update: 1:26 am PDT Jul 31, 2026
Forecast Valid: 5am PDT Jul 31, 2026-6pm PDT Aug 6, 2026
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