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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:SW wind 10 to 13 kt, with gusts as high as 20 kt. Sunny. Waves 1 ft or less.

      High: 96 °F

      SW 13kt
      < 1ft

    • Tonight

      Tonight:WSW wind 8 to 11 kt. Mostly clear. Waves 1 ft or less.

      Low: 78 °F

      WSW 11kt
      < 1ft

    • Wednesday

      Wednesday:WSW wind 9 to 12 kt, with gusts as high as 19 kt. Sunny. Waves 1 ft or less.

      High: 98 °F

      WSW 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:WSW wind 7 to 11 kt. Clear. Waves 1 ft or less.

      Low: 78 °F

      WSW 11kt
      < 1ft

    • Thursday

      Thursday:SW wind 8 to 13 kt, with gusts as high as 20 kt. Sunny. Waves 1 ft or less.

      High: 98 °F

      SW 13kt
      < 1ft

    • Thursday Night

      Thursday Night:WSW wind 6 to 12 kt. Mostly clear. Waves 1 ft or less.

      Low: 77 °F

      WSW 12kt
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SW 5 to 9 kt in the morning. A chance of showers and thunderstorms after 2pm.   Waves 1 ft or less.

      High: 95 °F

      ⇑SW 9kt
      < 1ft

    • Friday Night

      Friday Night:WSW wind 5 to 7 kt. A chance of showers and thunderstorms.   Waves 1 ft or less.

      Low: 73 °F

      WSW 7kt
      < 1ft

    • Independence Day

      Independence Day:W wind around 7 kt. A chance of showers and thunderstorms after 2pm.   Waves 1 ft or less.

      High: 90 °F

      W 7kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:50 am EDT Jun 30, 2026
Forecast Valid: 11am EDT Jun 30, 2026-6pm EDT Jul 6, 2026

View Nearby Observations

Detailed Forecast

Today
SW wind 10 to 13 kt, with gusts as high as 20 kt. Sunny. Waves 1 ft or less.
Tonight
WSW wind 8 to 11 kt. Mostly clear. Waves 1 ft or less.
Wednesday
WSW wind 9 to 12 kt, with gusts as high as 19 kt. Sunny. Waves 1 ft or less.
Wednesday Night
WSW wind 7 to 11 kt. Clear. Waves 1 ft or less.
Thursday
SW wind 8 to 13 kt, with gusts as high as 20 kt. Sunny. Waves 1 ft or less.
Thursday Night
WSW wind 6 to 12 kt. Mostly clear. Waves 1 ft or less.
Friday
Variable winds less than 5 kt becoming SW 5 to 9 kt in the morning. A chance of showers and thunderstorms after 2pm. Waves 1 ft or less.
Friday Night
WSW wind 5 to 7 kt. A chance of showers and thunderstorms. Waves 1 ft or less.
Independence Day
W wind around 7 kt. A chance of showers and thunderstorms after 2pm. 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: 9:50 am EDT Jun 30, 2026
Forecast Valid: 11am EDT Jun 30, 2026-6pm EDT Jul 6, 2026
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