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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]

Saturday
High: 47 °F
N 6kt
< 1ft
Saturday Night
Low: 35 °F
NNE 11kt
< 1ft
Sunday
High: 41 °F
N 12kt
< 1ft
Sunday Night
Low: 28 °F
NNW 12kt
< 1ft
Monday
High: 36 °F
NNW 13kt
< 1ft
Monday Night
Low: 26 °F
W 12kt
< 1ft
Veterans Day
High: 39 °F
WSW 16kt
< 1ft
Tuesday Night
Low: 33 °F
SW 16kt
< 1ft
Wednesday
High: 47 °F
WSW 16kt
< 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 EST Nov 8, 2025
Forecast Valid: 4am EST Nov 8, 2025-6pm EST Nov 14, 2025

View Nearby Observations

Detailed Forecast

Saturday

N wind around 6 kt. Mostly cloudy. Waves 1 ft or less.

Saturday Night

NNE wind 5 to 11 kt. Rain before 3am, then rain and snow. Waves 1 ft or less.

Sunday

N wind around 12 kt, with gusts as high as 19 kt. Rain and snow before 9am, then rain between 9am and 4pm, then rain and snow likely after 4pm. Waves 1 ft or less.

Sunday Night

NNW wind 10 to 12 kt. Snow likely, mainly after 1am. Waves 1 ft or less.

Monday

NNW wind around 13 kt, with gusts as high as 19 kt. A chance of snow. Waves 1 ft or less.

Monday Night

W wind 10 to 12 kt. A chance of snow. Waves 1 ft or less.

Veterans Day

WSW wind 12 to 16 kt, with gusts as high as 24 kt. A chance of snow after 1pm. Waves 1 ft or less.

Tuesday Night

SW wind around 16 kt, with gusts as high as 24 kt. A chance of rain and snow before 1am, then a chance of rain. Waves 1 ft or less.

Wednesday

WSW wind 14 to 16 kt, with gusts as high as 25 kt. A chance of rain. 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.