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Detroit/Pontiac, MI Local Forecast Office

5NM NE Stony Point MI

Marine Point Forecast

[NOTICE]

Overnight
Low: 77 °F
SSE 7kt
< 1ft
Saturday
High: 76 °F
E 11kt
< 1ft
Saturday Night
Low: 73 °F
E 14kt
1ft
Sunday
High: 73 °F
ENE 11kt
1ft
Sunday Night
Low: 66 °F
N 13kt
< 1ft
Monday
High: 75 °F
N 12kt
< 1ft
Monday Night
Low: 67 °F
NE 10kt
< 1ft
Tuesday
High: 76 °F
E 8kt
< 1ft
Tuesday Night
Low: 69 °F
ESE 7kt
< 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 Jul 31, 2026
Forecast Valid: 12am EDT Aug 1, 2026-6pm EDT Aug 7, 2026

View Nearby Observations

Detailed Forecast

Overnight

SSE wind around 7 kt. Cloudy. Waves 1 ft or less.

Saturday

SSE wind 9 to 11 kt becoming E in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Waves 1 ft or less.

Saturday Night

E wind around 14 kt. Showers and possibly a thunderstorm. Waves around 1 ft.

Sunday

ENE wind around 11 kt becoming SE in the morning. Showers, with thunderstorms also possible after 8am. Waves around 1 ft.

Sunday Night

N wind around 13 kt. A chance of showers. Waves 1 ft or less.

Monday

N wind around 12 kt. A chance of showers. Waves 1 ft or less.

Monday Night

NE wind 8 to 10 kt. Partly cloudy. Waves 1 ft or less.

Tuesday

NNE wind around 8 kt becoming E in the afternoon. A chance of showers. Waves 1 ft or less.

Tuesday Night

ESE wind 5 to 7 kt. A chance of showers. Waves 1 ft or less.

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

The water temperature at Belle Isle is 77 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.