For More Weather Information:

Detroit/Pontiac, MI Local Forecast Office

Grosse Ile MI

Marine Point Forecast

[NOTICE]

Sunday
High: 57 °F
SW 15kt
< 1ft
Sunday Night
Low: 43 °F
SW 11kt
< 1ft
Monday
High: 64 °F
SW 12kt
< 1ft
Monday Night
Low: 48 °F
SSW 8kt
< 1ft
Tuesday
High: 65 °F
SSE 8kt
< 1ft
Tuesday Night
Low: 51 °F
SSE 12kt
< 1ft
Wednesday
High: 63 °F
SW 14kt
< 1ft
Wednesday Night
Low: 28 °F
WNW 15kt
< 1ft
Thursday
High: 39 °F
WNW 14kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:36 am EST Mar 8, 2026
Forecast Valid: 4am EDT Mar 8, 2026-6pm EDT Mar 14, 2026

View Nearby Observations

Detailed Forecast

Sunday

SW wind 7 to 15 kt, with gusts as high as 23 kt. Mostly cloudy through mid morning, then gradual clearing. Waves 1 ft or less.

Sunday Night

SW wind 9 to 11 kt, with gusts as high as 20 kt. Mostly clear. Waves 1 ft or less.

Monday

SW wind around 12 kt, with gusts as high as 19 kt. Sunny. Waves 1 ft or less.

Monday Night

SSW wind 6 to 8 kt. Increasing clouds. Waves 1 ft or less.

Tuesday

SSE wind 6 to 8 kt. Partly sunny. Waves 1 ft or less.

Tuesday Night

SSE wind around 12 kt, with gusts as high as 18 kt. Rain likely before 11pm, then rain likely and possibly a thunderstorm between 11pm and 2am, then rain after 2am. Waves 1 ft or less.

Wednesday

SW wind 12 to 14 kt, with gusts as high as 22 kt. Rain, with thunderstorms also possible after 2pm. Waves 1 ft or less.

Wednesday Night

WNW wind around 15 kt, with gusts as high as 23 kt. A chance of rain and snow before 2am, then a chance of snow. Some thunder is also possible. Waves 1 ft or less.

Thursday

WNW wind around 14 kt, with gusts as high as 21 kt. Partly 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.