Severe Thunderstorms Possible for the Great Lakes into Ohio Valley; Heavy to Excessive Rainfall Over the Southern Plains

Severe thunderstorms will race along a cold front from the Upper Mississippi Valley into the Great Lakes and Ohio Valley with the main threat being damaging winds. The tail end of this front will possibly produce heavy to excessive rainfall across the southern Plains into the Lower Mississippi Valley through Saturday. Finally, Major-to-record river flooding continues across the Carolinas.
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Grand Rapids, MI Local Forecast Office

4NM W Muskegon MI

Marine Point Forecast

[NOTICE]
  • Overnight

    Chance Thunderstorms

    S 21kt
    Waves Building6ft

    Low: 74 °F
    Water: 70 °F

    Small Craft Advisory
    Small Craft Advisory

  • Friday

    Chance Thunderstorms

    W 22kt
    8ft

    High: 71 °FFalling Temperatures

    Small Craft Advisory
    Small Craft Advisory

  • Friday
    Night

    Mostly Cloudy

    NNW 20kt
    7ftWaves Subsiding

    Low: 50 °F

    Small Craft Advisory
    Small Craft Advisory

  • Saturday

    Sunny

    ENE 9ktWinds Decreasing
    1ft

    High: 63 °F

  • Saturday
    Night

    Mostly Clear

    Light Wind
    < 1ft

    Low: 52 °F

  • Sunday

    Sunny

    Light Wind
    < 1ft

    High: 69 °F

  • Sunday
    Night

    Mostly Clear

    ESE 13kt
    < 1ft

    Low: 55 °F

  • Monday

    Sunny

    ESE 12kt
    1ft

    High: 71 °F

  • Monday
    Night

    Chance Thunderstorms

    SE 10kt
    2ft

    Low: 62 °F


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 10:05 pm EDT Sep 20, 2018
Forecast Valid: 11pm EDT Sep 20, 2018-6pm EDT Sep 27, 2018

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Detailed Forecast

Overnight
S wind 16 to 21 kt, with gusts as high as 28 kt. A chance of showers and thunderstorms after 2am. Waves 3 ft building to 6 ft.
Friday
SW wind 20 to 22 kt becoming W in the afternoon. Winds could gust as high as 30 kt. A chance of showers and thunderstorms before 8am. Waves around 8 ft.
Friday Night
NNW wind 11 to 20 kt becoming NNE after midnight. Winds could gust as high as 28 kt. Mostly cloudy. Waves 7 ft subsiding to 3 ft.
Saturday
ENE wind 5 to 9 kt becoming variable and less than 5 kt in the afternoon. Sunny. Waves around 1 ft.
Saturday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Sunday
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Sunday Night
ENE wind 6 to 13 kt becoming ESE after midnight. Mostly clear. Waves 1 ft or less.
Monday
ESE wind 10 to 12 kt. Sunny. Waves around 1 ft.
Monday Night
SE wind 8 to 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: 43.21°N 86.36°W
Last Update: 10:05 pm EDT Sep 20, 2018
Forecast Valid: 11pm EDT Sep 20, 2018-6pm EDT Sep 27, 2018
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