Hazardous Weather Conditions

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Detroit/Pontiac, MI Local Forecast Office

Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:S wind around 7 kt. A chance of showers and thunderstorms.   Waves 1 ft or less.

      High: 87 °F

      S 7kt
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. A chance of showers and thunderstorms before 11pm.   Waves 1 ft or less.

      Low: 74 °F

      Light Wind
      < 1ft

    • Saturday

      Saturday:SSW wind 5 to 9 kt. A chance of showers and thunderstorms after 2pm.   Waves 1 ft or less.

      High: 91 °F

      SSW 9kt
      < 1ft

    • Saturday Night

      Saturday Night:SW wind 6 to 8 kt. A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.   Waves 1 ft or less.

      Low: 72 °F

      SW 8kt
      < 1ft

    • Sunday

      Sunday:W wind 6 to 8 kt. A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm.   Waves 1 ft or less.

      High: 86 °F

      W 8kt
      < 1ft

    • Sunday Night

      Sunday Night:W wind around 6 kt becoming variable and less than 5 kt after midnight. A chance of thunderstorms before 8pm.   Waves 1 ft or less.

      Low: 66 °F

      W 6kt⇓
      < 1ft

    • Monday

      Monday:Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

      High: 87 °F

      Light Wind
      < 1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

      Low: 70 °F

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming S around 6 kt in the afternoon. Sunny. Waves 1 ft or less.

      High: 90 °F

      ⇑S 6kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:49 am EDT Jul 11, 2025
Forecast Valid: 2pm EDT Jul 11, 2025-6pm EDT Jul 17, 2025

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Detailed Forecast

This Afternoon
S wind around 7 kt. A chance of showers and thunderstorms. Waves 1 ft or less.
Tonight
Variable winds 5 kt or less. A chance of showers and thunderstorms before 11pm. Waves 1 ft or less.
Saturday
SSW wind 5 to 9 kt. A chance of showers and thunderstorms after 2pm. Waves 1 ft or less.
Saturday Night
SW wind 6 to 8 kt. A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Waves 1 ft or less.
Sunday
W wind 6 to 8 kt. A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Waves 1 ft or less.
Sunday Night
W wind around 6 kt becoming variable and less than 5 kt after midnight. A chance of thunderstorms before 8pm. Waves 1 ft or less.
Monday
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Monday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming S around 6 kt in the afternoon. Sunny. 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: 9:49 am EDT Jul 11, 2025
Forecast Valid: 2pm EDT Jul 11, 2025-6pm EDT Jul 17, 2025
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