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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SSW wind around 7 kt. Sunny. Waves 1 ft or less.

      High: 88 °F

      SSW 7kt
      < 1ft

    • Tonight

      Tonight:SSW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.

      Low: 70 °F

      SSW 7kt⇓
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming WSW 5 to 10 kt in the morning. A chance of showers and thunderstorms after 2pm.   Waves 1 ft or less.

      High: 87 °F

      ⇑WSW 10kt
      < 1ft

    • Thursday Night

      Thursday Night:W wind 5 to 7 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms before 1am, then showers likely between 1am and 2am.   Waves 1 ft or less.

      Low: 70 °F

      W 7kt⇓
      < 1ft

    • Friday

      Friday:Variable winds 5 kt or less. A chance of showers after 2pm.   Waves 1 ft or less.

      High: 83 °F

      Light Wind
      < 1ft

    • Friday Night

      Friday Night:NE wind around 6 kt. A chance of showers before 8pm.   Waves 1 ft or less.

      Low: 66 °F

      NE 6kt
      < 1ft

    • Saturday

      Saturday:ENE wind 7 to 9 kt. Mostly sunny. Waves 1 ft or less.

      High: 83 °F

      ENE 9kt
      < 1ft

    • Saturday Night

      Saturday Night:ENE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.

      Low: 66 °F

      ENE 8kt⇓
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming E around 6 kt in the morning. Sunny. Waves 1 ft or less.

      High: 84 °F

      ⇑E 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: 4:24 pm EDT Jul 8, 2026
Forecast Valid: 4pm EDT Jul 8, 2026-6pm EDT Jul 14, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
SSW wind around 7 kt. Sunny. Waves 1 ft or less.
Tonight
SSW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.
Thursday
Variable winds less than 5 kt becoming WSW 5 to 10 kt in the morning. A chance of showers and thunderstorms after 2pm. Waves 1 ft or less.
Thursday Night
W wind 5 to 7 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms before 1am, then showers likely between 1am and 2am. Waves 1 ft or less.
Friday
Variable winds 5 kt or less. A chance of showers after 2pm. Waves 1 ft or less.
Friday Night
NE wind around 6 kt. A chance of showers before 8pm. Waves 1 ft or less.
Saturday
ENE wind 7 to 9 kt. Mostly sunny. Waves 1 ft or less.
Saturday Night
ENE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.
Sunday
Variable winds less than 5 kt becoming E around 6 kt in the morning. 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: 42.19°N 83.15°W
Last Update: 4:24 pm EDT Jul 8, 2026
Forecast Valid: 4pm EDT Jul 8, 2026-6pm EDT Jul 14, 2026
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