News Headlines

For More Weather Information:

Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 69 °F
ESE 10kt
< 1ft
Tuesday
High: 83 °F
S 12kt
< 1ft
Tuesday Night
Low: 68 °F
SSW 8kt
< 1ft
Wednesday
High: 90 °F
WSW 10kt
< 1ft
Wednesday Night
Low: 73 °F
SW 10kt
< 1ft
Thursday
High: 91 °F
WSW 12kt
< 1ft
Thursday Night
Low: 71 °F
SSW 13kt
< 1ft
Friday
High: 83 °F
W 13kt
< 1ft
Friday Night
Low: 64 °F
W 11kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:25 pm EDT Jun 8, 2026
Forecast Valid: 7pm EDT Jun 8, 2026-6pm EDT Jun 15, 2026

View Nearby Observations

Detailed Forecast

Tonight

ESE wind 5 to 10 kt. A chance of showers and thunderstorms between 1am and 5am, then a slight chance of showers. Waves 1 ft or less.

Tuesday

S wind 10 to 12 kt, with gusts as high as 18 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm. Waves 1 ft or less.

Tuesday Night

SSW wind around 8 kt becoming WSW after midnight. Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 10pm. Waves 1 ft or less.

Wednesday

WSW wind 7 to 10 kt. Cloudy, then gradually becoming mostly sunny. Waves 1 ft or less.

Wednesday Night

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

Thursday

WSW wind around 12 kt. A chance of showers, with thunderstorms also possible after 2pm. Waves 1 ft or less.

Thursday Night

SSW wind 10 to 13 kt, with gusts as high as 19 kt. Showers likely and possibly a thunderstorm. Waves 1 ft or less.

Friday

W wind 10 to 13 kt, with gusts as high as 19 kt. Mostly sunny. Waves 1 ft or less.

Friday Night

W wind 6 to 11 kt. Mostly clear. 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.