Heavy Rainfall and Flash Flood Threats From the Lower Mississippi Valley Into Ohio/Tennessee Valleys; Elevated to Critical Fire Concerns Out West

Heavy to excessive rainfall with flash flood concerns will be possible from the Lower Mississippi Valley into parts of the Ohio/Tennessee Valleys. Elevated to Critical Fire weather threats will persist across the Great Basin and central Rockies. Finally, Major to Record river flooding will continue in portions of the Midwest and across parts of North and South Carolina.

For More Weather Information:

Grand Rapids, MI Local Forecast Office

12NM SSW Pentwater MI

Marine Point Forecast

  • Today


    SSE 8kt

    High: 66 °F
    Water: 70 °F

  • Tonight

    Mostly Clear

    ESE 13kt

    Low: 56 °F

  • Monday

    Slight Chc Showers

    SE 14kt

    High: 71 °F

  • Monday

    Showers Likely

    SSE 14kt

    Low: 64 °F

  • Tuesday

    Chance Thunderstorms

    WSW 10kt

    High: 69 °F

  • Tuesday

    Chance Thunderstorms

    NNW 13kt

    Low: 56 °F

  • Wednesday

    Partly Sunny

    WNW 16kt

    High: 63 °F

  • Wednesday

    Partly Cloudy

    WNW 11kt

    Low: 53 °F

  • Thursday

    Partly Sunny

    SW 19kt
    Waves Building5ft

    High: 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: 10:04 am EDT Sep 23, 2018
Forecast Valid: 11am EDT Sep 23, 2018-6pm EDT Sep 29, 2018

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Detailed Forecast

SSE wind 6 to 8 kt becoming SSW in the afternoon. Sunny. Waves around 1 ft.
NE wind 6 to 13 kt becoming ESE after midnight. Mostly clear. Waves around 1 ft.
SE wind 10 to 14 kt. A slight chance of showers after 2pm. Waves 1 to 2 ft.
Monday Night
SSE wind 12 to 14 kt becoming SSW after midnight. A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Waves 2 to 3 ft.
WSW wind around 10 kt. A chance of showers, with thunderstorms also possible after 2pm. Waves 3 to 4 ft.
Tuesday Night
WSW wind 8 to 13 kt becoming NNW in the evening. A chance of showers and thunderstorms. Waves 2 to 3 ft.
WNW wind 14 to 16 kt. Partly sunny. Waves 4 to 5 ft.
Wednesday Night
WNW wind 9 to 11 kt. Partly cloudy. Waves around 3 ft.
SW wind 9 to 19 kt, with gusts as high as 26 kt. Partly sunny. Waves 2 ft building to 5 ft.


  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: 43.61°N 86.59°W
Last Update: 10:04 am EDT Sep 23, 2018
Forecast Valid: 11am EDT Sep 23, 2018-6pm EDT Sep 29, 2018
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