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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NE wind around 7 kt. Mostly sunny. Waves 1 ft or less.

      High: 85 °F

      NE 7kt
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Patchy fog after 3am.  Waves 1 ft or less.

      Low: 69 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Patchy fog before 9am.  Waves 1 ft or less.

      High: 87 °F

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:S wind around 6 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Waves 1 ft or less.

      Low: 70 °F

      S 6kt⇓
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming WSW 5 to 10 kt in the morning. A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm.   Waves 1 ft or less.

      High: 87 °F

      ⇑WSW 10kt
      < 1ft

    • Thursday Night

      Thursday Night:WSW wind 5 to 8 kt. Showers and thunderstorms likely before 11pm, then showers likely between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am.   Waves 1 ft or less.

      Low: 70 °F

      WSW 8kt
      < 1ft

    • Friday

      Friday:W wind around 6 kt becoming NW in the afternoon. A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm.   Waves 1 ft or less.

      High: 83 °F

      WNW 6kt
      < 1ft

    • Friday Night

      Friday Night:NNE wind 5 to 7 kt. A chance of thunderstorms before 8pm, then a chance of showers after 2am.   Waves 1 ft or less.

      Low: 67 °F

      NNE 7kt
      < 1ft

    • Saturday

      Saturday:NE wind 5 to 7 kt becoming E in the afternoon. A chance of showers.   Waves 1 ft or less.

      High: 84 °F

      E 7kt
      < 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 am EDT Jul 7, 2026
Forecast Valid: 12pm EDT Jul 7, 2026-6pm EDT Jul 13, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
NE wind around 7 kt. Mostly sunny. Waves 1 ft or less.
Tonight
Variable winds 5 kt or less. Patchy fog after 3am. Waves 1 ft or less.
Wednesday
Variable winds 5 kt or less. Patchy fog before 9am. Waves 1 ft or less.
Wednesday Night
S wind around 6 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Waves 1 ft or less.
Thursday
Variable winds less than 5 kt becoming WSW 5 to 10 kt in the morning. A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Waves 1 ft or less.
Thursday Night
WSW wind 5 to 8 kt. Showers and thunderstorms likely before 11pm, then showers likely between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Waves 1 ft or less.
Friday
W wind around 6 kt becoming NW in the afternoon. A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Waves 1 ft or less.
Friday Night
NNE wind 5 to 7 kt. A chance of thunderstorms before 8pm, then a chance of showers after 2am. Waves 1 ft or less.
Saturday
NE wind 5 to 7 kt becoming E 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: 4:24 am EDT Jul 7, 2026
Forecast Valid: 12pm EDT Jul 7, 2026-6pm EDT Jul 13, 2026
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