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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Wednesday

      Wednesday:WNW wind 13 to 15 kt, with gusts as high as 25 kt. Partly sunny. Waves 1 ft or less.

      High: 58 °F

      WNW 15kt
      < 1ft

    • Wednesday Night

      Wednesday Night:NW wind 9 to 13 kt, with gusts as high as 19 kt. Cloudy, then gradually becoming partly cloudy. Waves 1 ft or less.

      Low: 43 °F

      NW 13kt
      < 1ft

    • Thursday

      Thursday:N wind around 11 kt, with gusts as high as 18 kt. Mostly sunny. Waves 1 ft or less.

      High: 64 °F

      N 11kt
      < 1ft

    • Thursday Night

      Thursday Night:N wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.

      Low: 45 °F

      N 6kt⇓
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming S 6 to 11 kt in the morning. Partly sunny. Waves 1 ft or less.

      High: 68 °F

      ⇑S 11kt
      < 1ft

    • Friday Night

      Friday Night:SSW wind around 10 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 56 °F

      SSW 10kt
      < 1ft

    • Saturday

      Saturday:WSW wind 7 to 12 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.

      High: 83 °F

      WSW 12kt
      < 1ft

    • Saturday Night

      Saturday Night:SW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. A chance of showers.   Waves 1 ft or less.

      Low: 60 °F

      SW 8kt⇓
      < 1ft

    • Sunday

      Sunday:E wind 5 to 8 kt becoming SSE in the afternoon. A chance of showers.   Waves 1 ft or less.

      High: 78 °F

      SSE 8kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:35 am EDT May 13, 2026
Forecast Valid: 3am EDT May 13, 2026-6pm EDT May 19, 2026

View Nearby Observations

Detailed Forecast

Wednesday
WNW wind 13 to 15 kt, with gusts as high as 25 kt. Partly sunny. Waves 1 ft or less.
Wednesday Night
NW wind 9 to 13 kt, with gusts as high as 19 kt. Cloudy, then gradually becoming partly cloudy. Waves 1 ft or less.
Thursday
N wind around 11 kt, with gusts as high as 18 kt. Mostly sunny. Waves 1 ft or less.
Thursday Night
N wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.
Friday
Variable winds less than 5 kt becoming S 6 to 11 kt in the morning. Partly sunny. Waves 1 ft or less.
Friday Night
SSW wind around 10 kt. Mostly cloudy. Waves 1 ft or less.
Saturday
WSW wind 7 to 12 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.
Saturday Night
SW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. A chance of showers. Waves 1 ft or less.
Sunday
E wind 5 to 8 kt becoming SSE in the afternoon. 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: 3:35 am EDT May 13, 2026
Forecast Valid: 3am EDT May 13, 2026-6pm EDT May 19, 2026
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