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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Monday

      Monday:N wind around 6 kt becoming variable and less than 5 kt in the afternoon. Sunny. Waves 1 ft or less.

      High: 72 °F

      N 6kt⇓
      < 1ft

    • Monday Night

      Monday Night:SE wind 6 to 10 kt. Increasing clouds. Waves 1 ft or less.

      Low: 60 °F

      SE 10kt
      < 1ft

    • Tuesday

      Tuesday:SSW wind 12 to 14 kt, with gusts as high as 20 kt. Partly sunny. Waves 1 ft or less.

      High: 83 °F

      SSW 14kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Showers likely and possibly a thunderstorm, then showers after 11pm.   Waves 1 ft or less.

      Low: 67 °F

      SW 7kt⇓
      < 1ft

    • Wednesday

      Wednesday:NE wind 6 to 8 kt. Showers, mainly before 8am.   Waves 1 ft or less.

      High: 77 °F

      NE 8kt
      < 1ft

    • Wednesday Night

      Wednesday Night:NE wind 5 to 7 kt. A chance of showers after 2am.   Waves 1 ft or less.

      Low: 66 °F

      NE 7kt
      < 1ft

    • Thursday

      Thursday:NW wind around 8 kt. Showers likely, mainly between 8am and 2pm.   Waves 1 ft or less.

      High: 80 °F

      NW 8kt
      < 1ft

    • Thursday Night

      Thursday Night:NNE wind around 7 kt. A chance of showers.   Waves 1 ft or less.

      Low: 64 °F

      NNE 7kt
      < 1ft

    • Friday

      Friday:ENE wind around 7 kt. Mostly sunny. Waves 1 ft or less.

      High: 77 °F

      ENE 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: 3:13 am EDT Sep 14, 2026
Forecast Valid: 4am EDT Sep 14, 2026-6pm EDT Sep 20, 2026

View Nearby Observations

Detailed Forecast

Monday
N wind around 6 kt becoming variable and less than 5 kt in the afternoon. Sunny. Waves 1 ft or less.
Monday Night
SE wind 6 to 10 kt. Increasing clouds. Waves 1 ft or less.
Tuesday
SSW wind 12 to 14 kt, with gusts as high as 20 kt. Partly sunny. Waves 1 ft or less.
Tuesday Night
SW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Showers likely and possibly a thunderstorm, then showers after 11pm. Waves 1 ft or less.
Wednesday
NE wind 6 to 8 kt. Showers, mainly before 8am. Waves 1 ft or less.
Wednesday Night
NE wind 5 to 7 kt. A chance of showers after 2am. Waves 1 ft or less.
Thursday
NW wind around 8 kt. Showers likely, mainly between 8am and 2pm. Waves 1 ft or less.
Thursday Night
NNE wind around 7 kt. A chance of showers. Waves 1 ft or less.
Friday
ENE wind around 7 kt. Mostly 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: 3:13 am EDT Sep 14, 2026
Forecast Valid: 4am EDT Sep 14, 2026-6pm EDT Sep 20, 2026
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