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Detroit/Pontiac, MI Local Forecast Office

Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:WSW wind 5 to 10 kt, with gusts as high as 18 kt. A chance of showers and thunderstorms.   Waves 1 ft or less.

      Low: 71 °F

      WSW 10kt
      < 1ft

    • Monday

      Monday:NNW wind 5 to 7 kt. A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm.   Waves 1 ft or less.

      High: 82 °F

      NNW 7kt
      < 1ft

    • Monday Night

      Monday Night:NNE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly cloudy, then gradually becoming mostly clear. Waves 1 ft or less.

      Low: 64 °F

      NNE 7kt⇓
      < 1ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.

      High: 84 °F

      Light Wind
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Increasing clouds. Waves 1 ft or less.

      Low: 69 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming SSW around 6 kt in the morning. A chance of showers and thunderstorms after 2pm.   Waves 1 ft or less.

      High: 85 °F

      ⇑SSW 6kt
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm.   Waves 1 ft or less.

      Low: 68 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 2pm.   Waves 1 ft or less.

      High: 84 °F

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. A chance of thunderstorms before 8pm.   Waves 1 ft or less.

      Low: 69 °F

      Light Wind
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:13 pm EDT Jul 6, 2025
Forecast Valid: 6pm EDT Jul 6, 2025-6pm EDT Jul 13, 2025

View Nearby Observations

Detailed Forecast

Tonight
WSW wind 5 to 10 kt, with gusts as high as 18 kt. A chance of showers and thunderstorms. Waves 1 ft or less.
Monday
NNW wind 5 to 7 kt. A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm. Waves 1 ft or less.
Monday Night
NNE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly cloudy, then gradually becoming mostly clear. Waves 1 ft or less.
Tuesday
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Increasing clouds. Waves 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming SSW around 6 kt in the morning. A chance of showers and thunderstorms after 2pm. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm. Waves 1 ft or less.
Thursday
Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 2pm. Waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. A chance of thunderstorms before 8pm. Waves 1 ft or less.



*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: 42.12°N 83.18°W
Last Update: 5:13 pm EDT Jul 6, 2025
Forecast Valid: 6pm EDT Jul 6, 2025-6pm EDT Jul 13, 2025
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