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

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

45NM NW San Francisco CA

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:WNW wind 5 to 9 kt. Mostly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      WNW 9kt
      < 1ft

    • Thursday

      Thursday:WNW wind 5 to 12 kt, with gusts as high as 18 kt. Mostly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      WNW 12kt
      < 1ft

    • Thursday Night

      Thursday Night:WNW wind 11 to 13 kt, with gusts as high as 20 kt. Mostly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      WNW 13kt
      < 1ft

    • Friday

      Friday:WNW wind 10 to 14 kt, with gusts as high as 20 kt. Partly sunny. N swell 0 ft. Wind waves 1 ft or less.

      WNW 14kt
      < 1ft

    • Friday Night

      Friday Night:WNW wind 12 to 15 kt, with gusts as high as 21 kt. Mostly cloudy. N swell 0 ft. Wind waves 1 ft or less.

      WNW 15kt
      < 1ft

    • Saturday

      Saturday:WNW wind 11 to 15 kt, with gusts as high as 21 kt. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

      WNW 15kt
      < 1ft

    • Saturday Night

      Saturday Night:WNW wind 8 to 15 kt, with gusts as high as 22 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

      WNW 15kt
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming W 5 to 8 kt in the afternoon. Partly sunny. N swell 0 ft. Wind waves 1 ft or less.

      ⇑W 8kt
      < 1ft

    • Sunday Night

      Sunday Night:W wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. N swell 0 ft. Wind waves 1 ft or less.

      W 8kt⇓
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:26 pm PDT Aug 19, 2026
Forecast Valid: 6pm PDT Aug 19, 2026-6pm PDT Aug 26, 2026

View Nearby Observations

Detailed Forecast


Tonight
WNW wind 5 to 9 kt. Mostly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Thursday
WNW wind 5 to 12 kt, with gusts as high as 18 kt. Mostly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Thursday Night
WNW wind 11 to 13 kt, with gusts as high as 20 kt. Mostly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Friday
WNW wind 10 to 14 kt, with gusts as high as 20 kt. Partly sunny. N swell 0 ft. Wind waves 1 ft or less.
Friday Night
WNW wind 12 to 15 kt, with gusts as high as 21 kt. Mostly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Saturday
WNW wind 11 to 15 kt, with gusts as high as 21 kt. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.
Saturday Night
WNW wind 8 to 15 kt, with gusts as high as 22 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Sunday
Variable winds less than 5 kt becoming W 5 to 8 kt in the afternoon. Partly sunny. N swell 0 ft. Wind waves 1 ft or less.
Sunday Night
W wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. 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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

Point Forecast: 38.33°N 123.05°W
Last Update: 1:26 pm PDT Aug 19, 2026
Forecast Valid: 6pm PDT Aug 19, 2026-6pm PDT Aug 26, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data