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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:N wind around 6 kt. Mostly sunny. Waves 1 ft or less.

      High: 72 °F

      N 6kt
      < 1ft

    • Tonight

      Tonight:N wind around 7 kt. A chance of showers, mainly after 5am.   Waves 1 ft or less.

      Low: 51 °F

      N 7kt
      < 1ft

    • Wednesday

      Wednesday:N wind around 7 kt. A chance of showers before 11am.   Waves 1 ft or less.

      High: 64 °F

      N 7kt
      < 1ft

    • Wednesday Night

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

      Low: 43 °F

      NE 7kt⇓
      < 1ft

    • Thursday

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

      High: 63 °F

      Light Wind
      < 1ft

    • Thursday Night

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

      Low: 48 °F

      Light Wind
      < 1ft

    • Friday

      Friday:S wind 5 to 8 kt. Partly sunny. Waves 1 ft or less.

      High: 67 °F

      S 8kt
      < 1ft

    • Friday Night

      Friday Night:SSW wind around 9 kt. A chance of showers.   Waves 1 ft or less.

      Low: 56 °F

      SSW 9kt
      < 1ft

    • Saturday

      Saturday:SSW wind 9 to 11 kt. A chance of showers.   Waves 1 ft or less.

      High: 75 °F

      SSW 11kt
      < 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 Oct 14, 2025
Forecast Valid: 12pm EDT Oct 14, 2025-6pm EDT Oct 20, 2025

View Nearby Observations

Detailed Forecast

This Afternoon
N wind around 6 kt. Mostly sunny. Waves 1 ft or less.
Tonight
N wind around 7 kt. A chance of showers, mainly after 5am. Waves 1 ft or less.
Wednesday
N wind around 7 kt. A chance of showers before 11am. Waves 1 ft or less.
Wednesday Night
NE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.
Thursday
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Friday
S wind 5 to 8 kt. Partly sunny. Waves 1 ft or less.
Friday Night
SSW wind around 9 kt. A chance of showers. Waves 1 ft or less.
Saturday
SSW wind 9 to 11 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: 9:49 am EDT Oct 14, 2025
Forecast Valid: 12pm EDT Oct 14, 2025-6pm EDT Oct 20, 2025
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