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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NW wind around 7 kt. A slight chance of showers and thunderstorms after 5pm.   Waves 1 ft or less.

      High: 96 °F

      NW 7kt
      < 1ft

    • Tonight

      Tonight:NE wind 5 to 7 kt. A slight chance of showers and thunderstorms before 10pm.  Widespread smoke, mainly after 7pm.  Waves 1 ft or less.

      Low: 75 °F

      NE 7kt
      < 1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Widespread smoke before 9am.  Waves 1 ft or less.

      High: 92 °F

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:E wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

      Low: 72 °F

      E 6kt⇓
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SSE 5 to 8 kt in the morning. A chance of showers after 2pm.   Waves 1 ft or less.

      High: 88 °F

      ⇑SSE 8kt
      < 1ft

    • Friday Night

      Friday Night:SSE wind around 7 kt becoming SW after midnight. A chance of showers and thunderstorms before 2am.   Waves 1 ft or less.

      Low: 73 °F

      SSE 7kt
      < 1ft

    • Saturday

      Saturday:W wind 8 to 11 kt. Showers likely and possibly a thunderstorm after 2pm.   Waves 1 ft or less.

      High: 89 °F

      W 11kt
      < 1ft

    • Saturday Night

      Saturday Night:W wind 8 to 10 kt becoming N in the evening. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.   Waves 1 ft or less.

      Low: 68 °F

      W 10kt
      < 1ft

    • Sunday

      Sunday:N wind around 8 kt becoming E in the afternoon. Mostly sunny. Waves 1 ft or less.

      High: 84 °F

      NNE 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: 9:49 am EDT Jul 15, 2026
Forecast Valid: 1pm EDT Jul 15, 2026-6pm EDT Jul 21, 2026

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Detailed Forecast

This Afternoon
NW wind around 7 kt. A slight chance of showers and thunderstorms after 5pm. Waves 1 ft or less.
Tonight
NE wind 5 to 7 kt. A slight chance of showers and thunderstorms before 10pm. Widespread smoke, mainly after 7pm. Waves 1 ft or less.
Thursday
Variable winds 5 kt or less. Widespread smoke before 9am. Waves 1 ft or less.
Thursday Night
E wind around 6 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 SSE 5 to 8 kt in the morning. A chance of showers after 2pm. Waves 1 ft or less.
Friday Night
SSE wind around 7 kt becoming SW after midnight. A chance of showers and thunderstorms before 2am. Waves 1 ft or less.
Saturday
W wind 8 to 11 kt. Showers likely and possibly a thunderstorm after 2pm. Waves 1 ft or less.
Saturday Night
W wind 8 to 10 kt becoming N in the evening. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Waves 1 ft or less.
Sunday
N wind around 8 kt becoming E in the afternoon. Mostly 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: 9:49 am EDT Jul 15, 2026
Forecast Valid: 1pm EDT Jul 15, 2026-6pm EDT Jul 21, 2026
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