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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]

Overnight
Low: 26 °F
NW 7kt
< 1ft
Saturday
High: 43 °F
WSW 8kt
< 1ft
Saturday Night
Low: 35 °F
SSW 9kt
< 1ft
Sunday
High: 56 °F
SW 13kt
< 1ft
Sunday Night
Low: 44 °F
SW 9kt
< 1ft
Monday
High: 61 °F
SSW 9kt
< 1ft
Monday Night
Low: 55 °F
S 11kt
< 1ft
Tuesday
High: 71 °F
SW 15kt
< 1ft
Tuesday Night
Low: 41 °F
SW 13kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:13 pm EDT Mar 27, 2026
Forecast Valid: 11pm EDT Mar 27, 2026-6pm EDT Apr 3, 2026

View Nearby Observations

Detailed Forecast

Overnight

NW wind 5 to 7 kt. A slight chance of snow between 4am and 5am. Waves 1 ft or less.

Saturday

NNW wind 6 to 8 kt becoming WSW in the afternoon. Sunny. Waves 1 ft or less.

Saturday Night

SSW wind around 9 kt. Mostly cloudy. Waves 1 ft or less.

Sunday

SW wind 9 to 13 kt. Mostly cloudy. Waves 1 ft or less.

Sunday Night

SW wind 7 to 9 kt. Mostly cloudy. Waves 1 ft or less.

Monday

SSW wind 5 to 9 kt. Partly sunny. Waves 1 ft or less.

Monday Night

S wind 9 to 11 kt, with gusts as high as 19 kt. A chance of thunderstorms before 8pm, then a chance of rain and thunderstorms after 8pm. Waves 1 ft or less.

Tuesday

SW wind 12 to 15 kt, with gusts as high as 23 kt. Rain likely and possibly a thunderstorm. Waves 1 ft or less.

Tuesday Night

SW wind around 13 kt, with gusts as high as 21 kt. Rain likely. 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.