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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Labor Day

      Labor Day:ESE wind around 8 kt. Mostly sunny. Waves 1 ft or less.

      High: 79 °F

      ESE 8kt
      < 1ft

    • Tonight

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

      Low: 60 °F

      E 7kt⇓
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming SSE 5 to 9 kt in the morning. Partly sunny. Waves 1 ft or less.

      High: 81 °F

      ⇑SSE 9kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSE wind 7 to 9 kt becoming SSW after midnight. Mostly cloudy. Waves 1 ft or less.

      Low: 72 °F

      SSW 9kt
      < 1ft

    • Wednesday

      Wednesday:SW wind 11 to 14 kt, with gusts as high as 21 kt. A chance of showers.   Waves 1 ft or less.

      High: 85 °F

      SW 14kt
      < 1ft

    • Wednesday Night

      Wednesday Night:WSW wind 8 to 11 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 68 °F

      WSW 11kt
      < 1ft

    • Thursday

      Thursday:WNW wind 6 to 10 kt. Mostly sunny. Waves 1 ft or less.

      High: 78 °F

      WNW 10kt
      < 1ft

    • Thursday Night

      Thursday Night:NW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

      Low: 60 °F

      NW 7kt⇓
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SSW 5 to 8 kt in the afternoon. Sunny. Waves 1 ft or less.

      High: 76 °F

      ⇑SSW 8kt
      < 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 Sep 7, 2026
Forecast Valid: 11am EDT Sep 7, 2026-6pm EDT Sep 13, 2026

View Nearby Observations

Detailed Forecast

Labor Day
ESE wind around 8 kt. Mostly sunny. Waves 1 ft or less.
Tonight
E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming SSE 5 to 9 kt in the morning. Partly sunny. Waves 1 ft or less.
Tuesday Night
SSE wind 7 to 9 kt becoming SSW after midnight. Mostly cloudy. Waves 1 ft or less.
Wednesday
SW wind 11 to 14 kt, with gusts as high as 21 kt. A chance of showers. Waves 1 ft or less.
Wednesday Night
WSW wind 8 to 11 kt. Mostly cloudy. Waves 1 ft or less.
Thursday
WNW wind 6 to 10 kt. Mostly sunny. Waves 1 ft or less.
Thursday Night
NW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.
Friday
Variable winds less than 5 kt becoming SSW 5 to 8 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: 42.19°N 83.15°W
Last Update: 9:49 am EDT Sep 7, 2026
Forecast Valid: 11am EDT Sep 7, 2026-6pm EDT Sep 13, 2026
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