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Detroit/Pontiac, MI Local Forecast Office

Grosse Ile MI

Marine Point Forecast

[NOTICE]

Today
High: 65 °F
NW 8kt
< 1ft
Tonight
Low: 49 °F
S 9kt
< 1ft
Wednesday
High: 69 °F
SSE 7kt
< 1ft
Wednesday Night
Low: 52 °F
Light Wind
< 1ft
Thursday
High: 76 °F
⇑SSE 6kt
< 1ft
Thursday Night
Low: 55 °F
E 7kt
< 1ft
Friday
High: 71 °F
SE 9kt
< 1ft
Friday Night
Low: 52 °F
E 9kt
< 1ft
Saturday
High: 62 °F
NNE 12kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:49 am EDT Apr 22, 2025
Forecast Valid: 9am EDT Apr 22, 2025-6pm EDT Apr 28, 2025

View Nearby Observations

Detailed Forecast

Today

NW wind 5 to 8 kt becoming S in the afternoon. Sunny. Waves 1 ft or less.

Tonight

S wind 6 to 9 kt. Mostly cloudy. Waves 1 ft or less.

Wednesday

SSW wind 5 to 7 kt becoming SSE in the afternoon. Partly sunny. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Thursday

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

Thursday Night

E wind 5 to 7 kt. Partly cloudy. Waves 1 ft or less.

Friday

SE wind 6 to 9 kt. Showers likely, mainly after 2pm. Waves 1 ft or less.

Friday Night

E wind around 9 kt becoming N after midnight. Showers likely and possibly a thunderstorm before 8pm, then a chance of rain and thunderstorms between 8pm and 2am, then a chance of rain after 2am. Waves 1 ft or less.

Saturday

NNE wind 10 to 12 kt, with gusts as high as 18 kt. Mostly cloudy. 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.