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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]

Independence Day
High: 89 °F
SSW 7kt
< 1ft
Tonight
Low: 69 °F
W 6kt⇓
< 1ft
Sunday
High: 82 °F
ENE 8kt
< 1ft
Sunday Night
Low: 67 °F
NE 10kt
< 1ft
Monday
High: 84 °F
ENE 9kt
< 1ft
Monday Night
Low: 67 °F
NNE 9kt
< 1ft
Tuesday
High: 85 °F
NNE 6kt
< 1ft
Tuesday Night
Low: 68 °F
ESE 6kt⇓
< 1ft
Wednesday
High: 88 °F
⇑S 6kt
< 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 4, 2026
Forecast Valid: 5am EDT Jul 4, 2026-6pm EDT Jul 10, 2026

View Nearby Observations

Detailed Forecast

Independence Day

WSW wind 5 to 7 kt becoming SSW in the afternoon. A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. Waves 1 ft or less.

Tonight

W wind around 6 kt becoming variable and less than 5 kt in the evening. Showers and thunderstorms likely, mainly before midnight. Waves 1 ft or less.

Sunday

ENE wind 5 to 8 kt. Showers likely, with thunderstorms also possible after 2pm. Waves 1 ft or less.

Sunday Night

NE wind 7 to 10 kt. A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Waves 1 ft or less.

Monday

ENE wind around 9 kt. A chance of thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Waves 1 ft or less.

Monday Night

NNE wind 5 to 9 kt. A chance of showers and thunderstorms before 8pm. Waves 1 ft or less.

Tuesday

NNE wind around 6 kt becoming ENE in the afternoon. Mostly sunny. Waves 1 ft or less.

Tuesday Night

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

Wednesday

Variable winds less than 5 kt becoming S around 6 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

*Notices:

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.
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.