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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:NE wind around 9 kt, with gusts as high as 18 kt. Snow, mainly before 2am.   Waves 1 ft or less.

      Low: 22 °F

      NE 9kt
      < 1ft

    • Sunday

      Sunday:N wind 7 to 9 kt. Partly sunny. Waves 1 ft or less.

      High: 31 °F

      N 9kt
      < 1ft

    • Sunday Night

      Sunday Night:NE wind around 6 kt becoming ESE after midnight. Mostly clear. Waves 1 ft or less.

      Low: 16 °F

      NE 6kt
      < 1ft

    • Monday

      Monday:ESE wind 5 to 9 kt. Sunny. Waves 1 ft or less.

      High: 34 °F

      ESE 9kt
      < 1ft

    • Monday Night

      Monday Night:SE wind around 6 kt. A chance of snow after 1am.   Waves 1 ft or less.

      Low: 25 °F

      SE 6kt
      < 1ft

    • Tuesday

      Tuesday:SE wind 5 to 7 kt becoming NW in the afternoon. Rain.   Waves 1 ft or less.

      High: 41 °F

      NW 7kt
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. A chance of rain before 1am.   Waves 1 ft or less.

      Low: 31 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:ENE wind 5 to 7 kt. Mostly cloudy. Waves 1 ft or less.

      High: 49 °F

      ENE 7kt
      < 1ft

    • Wednesday Night

      Wednesday Night:ESE wind around 6 kt becoming SSW after midnight. A chance of rain.   Waves 1 ft or less.

      Low: 39 °F

      ESE 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: 8:13 pm EST Feb 28, 2026
Forecast Valid: 10pm EST Feb 28, 2026-6pm EST Mar 7, 2026

View Nearby Observations

Detailed Forecast

Tonight
NE wind around 9 kt, with gusts as high as 18 kt. Snow, mainly before 2am. Waves 1 ft or less.
Sunday
N wind 7 to 9 kt. Partly sunny. Waves 1 ft or less.
Sunday Night
NE wind around 6 kt becoming ESE after midnight. Mostly clear. Waves 1 ft or less.
Monday
ESE wind 5 to 9 kt. Sunny. Waves 1 ft or less.
Monday Night
SE wind around 6 kt. A chance of snow after 1am. Waves 1 ft or less.
Tuesday
SE wind 5 to 7 kt becoming NW in the afternoon. Rain. Waves 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. A chance of rain before 1am. Waves 1 ft or less.
Wednesday
ENE wind 5 to 7 kt. Mostly cloudy. Waves 1 ft or less.
Wednesday Night
ESE wind around 6 kt becoming SSW after midnight. A chance of rain. 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: 8:13 pm EST Feb 28, 2026
Forecast Valid: 10pm EST Feb 28, 2026-6pm EST Mar 7, 2026
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