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

Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Hazardous Weather Conditions

11NM SSE San Francisco CA

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:W wind 9 to 14 kt becoming variable and less than 5 kt after midnight. Winds could gust as high as 21 kt. Mostly clear. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      W 14kt⇓
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Labor Day

      Labor Day:Variable winds less than 5 kt becoming WNW 5 to 10 kt in the afternoon. Sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      ⇑WNW 10kt
      < 1ft

    • Monday Night

      Monday Night:W wind 5 to 10 kt becoming variable and less than 5 kt in the evening. Clear. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

      W 10kt⇓
      < 1ft

    • Tuesday

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

      Light Wind
      < 1ft

    • Tuesday Night

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

      W 8kt⇓
      < 1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:WNW wind 5 to 10 kt becoming variable and less than 5 kt in the evening. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.

      WNW 10kt⇓
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming W 5 to 9 kt in the afternoon. Sunny. N swell 0 ft. Wind waves 1 ft or less.

      ⇑W 9kt
      < 1ft

    • Thursday Night

      Thursday Night:W wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.

      W 10kt⇓
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 3:39 pm PDT Sep 6, 2026
Forecast Valid: 4pm PDT Sep 6, 2026-6pm PDT Sep 13, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PDT THIS EVENING...

Tonight
W wind 9 to 14 kt becoming variable and less than 5 kt after midnight. Winds could gust as high as 21 kt. Mostly clear. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Labor Day
Variable winds less than 5 kt becoming WNW 5 to 10 kt in the afternoon. Sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Monday Night
W wind 5 to 10 kt becoming variable and less than 5 kt in the evening. Clear. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Tuesday
Variable winds 5 kt or less. Sunny. N swell 0 ft. Wind waves 1 ft or less.
Tuesday Night
W wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Wednesday
Variable winds 5 kt or less. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.
Wednesday Night
WNW wind 5 to 10 kt becoming variable and less than 5 kt in the evening. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.
Thursday
Variable winds less than 5 kt becoming W 5 to 9 kt in the afternoon. Sunny. N swell 0 ft. Wind waves 1 ft or less.
Thursday Night
W wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly clear. 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: 37.61°N 122.31°W
Last Update: 3:39 pm PDT Sep 6, 2026
Forecast Valid: 4pm PDT Sep 6, 2026-6pm PDT Sep 13, 2026
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