Heavy Rainfall for Hawaii; Severe Weather Potential Increasing Across the South

Snowfall downwind of the Great Lakes will slowly diminish through the day. A system tracking across California is forecast to intensify across the Southern Plains through Thursday. Severe weather and heavy rainfall are possible from eastern Texas through the lower Mississippi Valley into Friday. Meanwhile, Kona low to the northwest of the Hawaiian islands will bring a chance of flash flooding.

4NM NW San Francisco CA

Marine Point Forecast

  • Today


    NNE 16km/h
  • Tonight

    Partly Cloudy

    W 13km/h
  • Thursday

    Slight Chc Rain

    Winds IncreasingW 27km/h
  • Thursday

    Slight Chc Rain

    NW 27km/h
  • Friday

    Mostly Sunny

    NNW 16km/h
  • Friday

    Chance Rain

    W 14km/h
  • Saturday

    Chance Rain

    W 21km/h
  • Saturday

    Mostly Cloudy

    W 14km/h
  • Sunday

    Slight Chc Rain

    WSW 13km/h

Associated Zone Forecast which includes this point

Last Update: 2:17 am PST Nov 29, 2023
Forecast Valid: 11am PST Nov 29, 2023-6pm PST Dec 5, 2023

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Detailed Forecast

NNE wind 11 to 16 km/h. Sunny.
W wind 10 to 13 km/h. Partly cloudy.
W wind 14 to 19 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 37 km/h. A slight chance of rain after 9am.
Thursday Night
NW wind 23 to 27 km/h, with gusts as high as 35 km/h. A slight chance of rain before 10pm.
NNW wind around 16 km/h. Mostly sunny.
Friday Night
W wind 11 to 14 km/h. A chance of rain after 10pm.
W wind 14 to 21 km/h, with gusts as high as 29 km/h. A chance of rain.
Saturday Night
W wind around 14 km/h. Mostly cloudy.
S wind 11 to 13 km/h becoming WSW in the afternoon. A slight chance of rain.


  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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Point Forecast: 37.83°N 122.48°W
Last Update: 2:17 am PST Nov 29, 2023
Forecast Valid: 11am PST Nov 29, 2023-6pm PST Dec 5, 2023
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