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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming SSW 5 to 8 kt in the afternoon. Sunny. Waves 1 ft or less.

      High: 65 °F

      ⇑SSW 8kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSW wind 8 to 12 kt, with gusts as high as 18 kt. Partly cloudy. Waves 1 ft or less.

      Low: 54 °F

      SSW 12kt
      < 1ft

    • Wednesday

      Wednesday:SW wind around 12 kt, with gusts as high as 19 kt. Mostly sunny. Waves 1 ft or less.

      High: 75 °F

      SW 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:W wind 7 to 10 kt. Partly cloudy. Waves 1 ft or less.

      Low: 53 °F

      W 10kt
      < 1ft

    • Thursday

      Thursday:WNW wind 7 to 11 kt. Sunny. Waves 1 ft or less.

      High: 68 °F

      WNW 11kt
      < 1ft

    • Thursday Night

      Thursday Night:WNW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

      Low: 47 °F

      WNW 8kt⇓
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming WSW 5 to 9 kt in the morning. Sunny. Waves 1 ft or less.

      High: 68 °F

      ⇑WSW 9kt
      < 1ft

    • Friday Night

      Friday Night:SW wind around 6 kt. Mostly clear. Waves 1 ft or less.

      Low: 51 °F

      SW 6kt
      < 1ft

    • Saturday

      Saturday:S wind 5 to 9 kt. Sunny. Waves 1 ft or less.

      High: 70 °F

      S 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: 2:49 am EDT Oct 6, 2026
Forecast Valid: 3am EDT Oct 6, 2026-6pm EDT Oct 12, 2026

View Nearby Observations

Detailed Forecast

Tuesday
Variable winds less than 5 kt becoming SSW 5 to 8 kt in the afternoon. Sunny. Waves 1 ft or less.
Tuesday Night
SSW wind 8 to 12 kt, with gusts as high as 18 kt. Partly cloudy. Waves 1 ft or less.
Wednesday
SW wind around 12 kt, with gusts as high as 19 kt. Mostly sunny. Waves 1 ft or less.
Wednesday Night
W wind 7 to 10 kt. Partly cloudy. Waves 1 ft or less.
Thursday
WNW wind 7 to 11 kt. Sunny. Waves 1 ft or less.
Thursday Night
WNW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.
Friday
Variable winds less than 5 kt becoming WSW 5 to 9 kt in the morning. Sunny. Waves 1 ft or less.
Friday Night
SW wind around 6 kt. Mostly clear. Waves 1 ft or less.
Saturday
S wind 5 to 9 kt. 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: 2:49 am EDT Oct 6, 2026
Forecast Valid: 3am EDT Oct 6, 2026-6pm EDT Oct 12, 2026
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