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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Sunday

      Sunday:Variable winds less than 5 kt becoming S around 6 kt in the afternoon. Increasing clouds. Waves 1 ft or less.

      High: 76 °F

      ⇑S 6kt
      < 1ft

    • Sunday Night

      Sunday Night:SE wind 6 to 8 kt becoming ENE after midnight. Showers.   Waves 1 ft or less.

      Low: 60 °F

      E 8kt
      < 1ft

    • Monday

      Monday:NE wind around 12 kt, with gusts as high as 18 kt. A chance of showers before 1pm.   Waves 1 ft or less.

      High: 74 °F

      NE 12kt
      < 1ft

    • Monday Night

      Monday Night:N wind 6 to 9 kt. Mostly clear. Waves 1 ft or less.

      Low: 57 °F

      N 9kt
      < 1ft

    • Tuesday

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

      High: 78 °F

      Light Wind
      < 1ft

    • Tuesday Night

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

      Low: 59 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming S 5 to 7 kt in the afternoon. A chance of showers and thunderstorms after 2pm.   Waves 1 ft or less.

      High: 77 °F

      ⇑S 7kt
      < 1ft

    • Wednesday Night

      Wednesday Night:S wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms.   Waves 1 ft or less.

      Low: 62 °F

      S 6kt⇓
      < 1ft

    • Thursday

      Thursday:SSW wind 5 to 8 kt. A chance of showers, with thunderstorms also possible after 2pm.   Waves 1 ft or less.

      High: 78 °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: 3:35 am EDT Jun 21, 2026
Forecast Valid: 4am EDT Jun 21, 2026-6pm EDT Jun 27, 2026

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Detailed Forecast

Sunday
Variable winds less than 5 kt becoming S around 6 kt in the afternoon. Increasing clouds. Waves 1 ft or less.
Sunday Night
SE wind 6 to 8 kt becoming ENE after midnight. Showers. Waves 1 ft or less.
Monday
NE wind around 12 kt, with gusts as high as 18 kt. A chance of showers before 1pm. Waves 1 ft or less.
Monday Night
N wind 6 to 9 kt. Mostly clear. Waves 1 ft or less.
Tuesday
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming S 5 to 7 kt in the afternoon. A chance of showers and thunderstorms after 2pm. Waves 1 ft or less.
Wednesday Night
S wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms. Waves 1 ft or less.
Thursday
SSW wind 5 to 8 kt. A chance of showers, with thunderstorms also possible 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: 3:35 am EDT Jun 21, 2026
Forecast Valid: 4am EDT Jun 21, 2026-6pm EDT Jun 27, 2026
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