For More Weather Information:

Detroit/Pontiac, MI Local Forecast Office

5NM NE Stony Point MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 75 °F
SW 8kt
< 1ft
Friday
High: 88 °F
SW 11kt
< 1ft
Friday Night
Low: 73 °F
W 9kt
< 1ft
Independence Day
High: 81 °F
WNW 7kt
< 1ft
Saturday Night
Low: 69 °F
ENE 8kt
< 1ft
Sunday
High: 77 °F
E 9kt
< 1ft
Sunday Night
Low: 68 °F
E 10kt
< 1ft
Monday
High: 76 °F
NNE 9kt
< 1ft
Monday Night
Low: 68 °F
NNE 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:14 pm EDT Jul 2, 2026
Forecast Valid: 10pm EDT Jul 2, 2026-6pm EDT Jul 9, 2026

View Nearby Observations

Detailed Forecast

Tonight

SW wind around 8 kt. A slight chance of showers before 2am, then a slight chance of showers and thunderstorms between 2am and 5am, then a slight chance of showers after 5am. Waves 1 ft or less.

Friday

SW wind 7 to 11 kt. A chance of showers and thunderstorms, mainly after 3pm. Waves 1 ft or less.

Friday Night

W wind 7 to 9 kt. Showers and thunderstorms likely before 2am, then a chance of showers. Waves 1 ft or less.

Independence Day

WNW wind around 7 kt becoming S in the afternoon. Showers likely and possibly a thunderstorm after 2pm. Waves 1 ft or less.

Saturday Night

ESE wind around 8 kt becoming NE in the evening. Showers likely and possibly a thunderstorm. Waves 1 ft or less.

Sunday

E wind 7 to 9 kt. Showers likely before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Waves 1 ft or less.

Sunday Night

E wind 8 to 10 kt. Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Waves 1 ft or less.

Monday

NNE wind around 9 kt becoming E in the afternoon. A chance of showers and thunderstorms before 2pm. Waves 1 ft or less.

Monday Night

NNE wind 7 to 10 kt becoming NNW after midnight. Partly cloudy. Waves 1 ft or less.

See Lake Erie Open Lake Forecast for days 3 through 5.

The water temperature at Belle Isle is 80 degrees.

*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.