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

7NM SW Muskegon MI

Marine Point Forecast

[NOTICE]
  • This
    Afternoon

    Chance Thunderstorms

    Winds IncreasingESE 10kt
    1ft

    High: 76 °F
    Water: 70 °F

  • Tonight

    Chance Thunderstorms

    S 22kt
    Waves Building8ft

    Low: 75 °F

    Small Craft Advisory
    Small Craft Advisory

  • Friday

    Chance Thunderstorms

    W 23kt
    8-9ft

    High: 71 °FFalling Temperatures

    Small Craft Advisory
    Small Craft Advisory

  • Friday
    Night

    Mostly Cloudy

    NW 22kt
    8ftWaves Subsiding

    Low: 51 °F

    Small Craft Advisory
    Small Craft Advisory

  • Saturday

    Sunny

    NE 9ktWinds Decreasing
    1-2ft

    High: 62 °FFalling Temperatures

  • Saturday
    Night

    Mostly Clear

    Light Wind
    1ft

    Low: 53 °F

  • Sunday

    Sunny

    Light Wind
    < 1ft

    High: 68 °FFalling Temperatures

  • Sunday
    Night

    Mostly Clear

    ESE 13kt
    1-2ft

    Low: 57 °F

  • Monday

    Mostly Sunny

    SE 12kt
    2ft

    High: 71 °FFalling Temperatures


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:05 am EDT Sep 20, 2018
Forecast Valid: 1pm EDT Sep 20, 2018-6pm EDT Sep 26, 2018

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Detailed Forecast

This Afternoon
Variable winds less than 5 kt becoming ESE 5 to 10 kt. A chance of showers and thunderstorms, mainly before 2pm. Areas of dense fog. Waves around 1 ft.
Tonight
S wind 16 to 22 kt. A chance of showers and thunderstorms, mainly after 5am. Waves 2 ft building to 8 ft.
Friday
SW wind 21 to 23 kt becoming W in the afternoon. Winds could gust as high as 30 kt. A chance of showers and thunderstorms, mainly before 8am. Waves 8 to 9 ft.
Friday Night
NW wind 13 to 22 kt becoming NNE after midnight. Winds could gust as high as 28 kt. Mostly cloudy. Waves 8 ft subsiding to 4 ft.
Saturday
NE wind 5 to 9 kt becoming variable and less than 5 kt in the afternoon. Sunny. Waves 1 to 2 ft.
Saturday Night
Variable winds 5 kt or less. Mostly clear. Waves around 1 ft.
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 to 2 ft.
Monday
SE wind around 12 kt. Mostly sunny. 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: 43.15°N 86.36°W
Last Update: 11:05 am EDT Sep 20, 2018
Forecast Valid: 1pm EDT Sep 20, 2018-6pm EDT Sep 26, 2018
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