Enhanced Risk for Severe Thunderstorms Across the Upper Midwest; Flash Flooding Possible from the Upper Midwest to Southern Plains and Desert Southwest Through Friday

Portions of the Upper Midwest will see an increased threat for severe thunderstorms through this evening, with a few strong tornadoes possible. The same region remains on alert for additional flash flood concerns. Heavy rainfall may lead to flash flooding across the Desert Southwest today, and Southern Plains by Friday. Finally, Major-to-record river flooding continues across the Carolinas.
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Grand Rapids, MI Local Forecast Office

11NM SSW Grand Haven MI

Marine Point Forecast

[NOTICE]
  • Tonight

    Chance Thunderstorms

    Winds IncreasingSSW 22kt
    Waves Building6ft

    Low: 77 °F
    Water: 70 °F

    Small Craft Advisory
    Small Craft Advisory

  • Friday

    Chance Thunderstorms

    SW 22kt
    8-9ft

    High: 71 °FFalling Temperatures

    Small Craft Advisory
    Small Craft Advisory

  • Friday
    Night

    Mostly Cloudy

    NW 22kt
    9ftWaves Subsiding

    Low: 52 °F

    Small Craft Advisory
    Small Craft Advisory

  • Saturday

    Sunny

    ENE 12ktWinds Decreasing
    1-3ft

    High: 63 °F

  • Saturday
    Night

    Mostly Clear

    Light Wind
    1ft

    Low: 53 °F

  • Sunday

    Sunny

    Light Wind
    1ft

    High: 69 °F

  • Sunday
    Night

    Mostly Clear

    ESE 13kt
    1-2ft

    Low: 57 °F

  • Monday

    Sunny

    SE 11kt
    1ft

    High: 73 °F

  • Monday
    Night

    Chance Thunderstorms

    SE 10kt
    2ft

    Low: 64 °F


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:05 pm EDT Sep 20, 2018
Forecast Valid: 6pm EDT Sep 20, 2018-6pm EDT Sep 27, 2018

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Detailed Forecast

Tonight
SSE wind 8 to 13 kt becoming SSW 17 to 22 kt after midnight. Winds could gust as high as 28 kt. A slight chance of showers and thunderstorms before 8pm, then a chance of thunderstorms after 5am. Areas of dense fog before 8pm. Waves 1 ft building to 6 ft.
Friday
SW wind around 22 kt becoming W in the afternoon. Winds could gust as high as 29 kt. A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm. Waves 8 to 9 ft.
Friday Night
NW wind 14 to 22 kt becoming NNE after midnight. Winds could gust as high as 28 kt. Mostly cloudy. Waves 9 ft subsiding to 5 ft.
Saturday
ENE wind 7 to 12 kt becoming variable and less than 5 kt in the afternoon. Sunny. Waves 1 to 3 ft.
Saturday Night
Variable winds 5 kt or less. Mostly clear. Waves around 1 ft.
Sunday
Variable winds 5 kt or less. Sunny. Waves around 1 ft.
Sunday Night
ESE wind 6 to 13 kt. Mostly clear. Waves 1 to 2 ft.
Monday
SE wind 9 to 11 kt. Sunny. Waves around 1 ft.
Monday Night
SE wind around 10 kt. A chance of showers and thunderstorms. Waves around 2 ft.

*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: 42.89°N 86.3°W
Last Update: 5:05 pm EDT Sep 20, 2018
Forecast Valid: 6pm EDT Sep 20, 2018-6pm EDT Sep 27, 2018
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