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

4NM W Muskegon MI

Marine Point Forecast

[NOTICE]
  • This
    Afternoon

    Chance Thunderstorms

    ESE 10kt
    1ft

    High: 76 °F
    Water: 70 °F

  • Tonight

    Slight Chc Thunderstorms

    Winds IncreasingS 22kt
    Waves Building6ft

    Low: 75 °F

    Small Craft Advisory
    Small Craft Advisory

  • Friday

    Chance Thunderstorms

    SSW 22kt
    8-9ft

    High: 71 °FFalling Temperatures

    Small Craft Advisory
    Small Craft Advisory

  • Friday
    Night

    Mostly Cloudy

    NW 21kt
    7ftWaves Subsiding

    Low: 50 °F

    Small Craft Advisory
    Small Craft Advisory

  • Saturday

    Mostly Sunny

    NE 9ktWinds Decreasing
    1-2ft

    High: 63 °FFalling Temperatures

    Small Craft Advisory
    Small Craft Advisory

  • Saturday
    Night

    Mostly Clear

    Light Wind
    1ft

    Low: 52 °F

  • Sunday

    Sunny

    Light Wind
    < 1ft

    High: 68 °FFalling Temperatures

  • Sunday
    Night

    Mostly Clear

    E 13kt
    1ft

    Low: 55 °F

  • Monday

    Sunny

    ESE 12kt
    1ft

    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
ESE wind 5 to 10 kt becoming NE. A chance of showers and thunderstorms, mainly before 3pm. Areas of dense fog. Waves around 1 ft.
Tonight
S wind 11 to 16 kt increasing to 17 to 22 kt after midnight. A slight chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 3am. Areas of dense fog before 9pm. Waves 1 ft building to 6 ft.
Friday
SSW wind 20 to 22 kt becoming W in the afternoon. Winds could gust as high as 29 kt. A chance of showers and thunderstorms, mainly before 9am. Waves 8 to 9 ft.
Friday Night
NW wind 12 to 21 kt becoming N after midnight. Winds could gust as high as 29 kt. Mostly cloudy. Waves 7 ft subsiding to 3 ft.
Saturday
NE wind 5 to 9 kt becoming variable and less than 5 kt in the afternoon. Mostly 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
E wind 5 to 13 kt. Mostly clear. Waves around 1 ft.
Monday
ESE wind around 12 kt. Sunny. Waves around 1 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: 11:05 am EDT Sep 20, 2018
Forecast Valid: 1pm EDT Sep 20, 2018-6pm EDT Sep 26, 2018
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