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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:Variable winds 5 kt or less. Showers likely, mainly before 1am.   Waves 1 ft or less.

      Low: 45 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:N wind around 7 kt becoming WNW in the afternoon. Partly sunny. Waves 1 ft or less.

      High: 58 °F

      NW 7kt
      < 1ft

    • Wednesday Night

      Wednesday Night:WNW wind 6 to 8 kt. Mostly cloudy during the early evening, then gradual clearing. Waves 1 ft or less.

      Low: 40 °F

      WNW 8kt
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming W 5 to 10 kt in the afternoon. Increasing clouds. Waves 1 ft or less.

      High: 57 °F

      ⇑W 10kt
      < 1ft

    • Thursday Night

      Thursday Night:WSW wind 6 to 9 kt. Partly cloudy. Waves 1 ft or less.

      Low: 44 °F

      WSW 9kt
      < 1ft

    • Friday

      Friday:WSW wind 7 to 11 kt, with gusts as high as 18 kt. A chance of showers after 2pm.   Waves 1 ft or less.

      High: 61 °F

      WSW 11kt
      < 1ft

    • Friday Night

      Friday Night:SW wind around 7 kt. Showers likely, mainly between 8pm and 2am.   Waves 1 ft or less.

      Low: 48 °F

      SW 7kt
      < 1ft

    • Saturday

      Saturday:WSW wind 7 to 14 kt, with gusts as high as 21 kt. A chance of showers.   Waves 1 ft or less.

      High: 69 °F

      WSW 14kt
      < 1ft

    • Saturday Night

      Saturday Night:SW wind 5 to 9 kt. A chance of showers.   Waves 1 ft or less.

      Low: 50 °F

      SW 9kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:24 pm EDT May 5, 2026
Forecast Valid: 12am EDT May 6, 2026-6pm EDT May 12, 2026

View Nearby Observations

Detailed Forecast

Overnight
Variable winds 5 kt or less. Showers likely, mainly before 1am. Waves 1 ft or less.
Wednesday
N wind around 7 kt becoming WNW in the afternoon. Partly sunny. Waves 1 ft or less.
Wednesday Night
WNW wind 6 to 8 kt. Mostly cloudy during the early evening, then gradual clearing. Waves 1 ft or less.
Thursday
Variable winds less than 5 kt becoming W 5 to 10 kt in the afternoon. Increasing clouds. Waves 1 ft or less.
Thursday Night
WSW wind 6 to 9 kt. Partly cloudy. Waves 1 ft or less.
Friday
WSW wind 7 to 11 kt, with gusts as high as 18 kt. A chance of showers after 2pm. Waves 1 ft or less.
Friday Night
SW wind around 7 kt. Showers likely, mainly between 8pm and 2am. Waves 1 ft or less.
Saturday
WSW wind 7 to 14 kt, with gusts as high as 21 kt. A chance of showers. Waves 1 ft or less.
Saturday Night
SW wind 5 to 9 kt. A chance of showers. 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: 4:24 pm EDT May 5, 2026
Forecast Valid: 12am EDT May 6, 2026-6pm EDT May 12, 2026
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