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Detroit/Pontiac, MI Local Forecast Office

5NM NE Stony Point MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 55 °F
SSW 10kt
1ft
Thursday
High: 64 °F
SW 13kt
1ft
Thursday Night
Low: 51 °F
W 10kt
< 1ft
Friday
High: 57 °F
SE 6kt
< 1ft
Friday Night
Low: 50 °F
ESE 13kt
< 1ft
Saturday
High: 62 °F
SW 18kt
2ft
Saturday Night
Low: 39 °F
W 16kt
1ft
Sunday
High: 46 °F
W 19kt
1ft
Sunday Night
Low: 33 °F
NW 16kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:49 pm EDT Apr 15, 2026
Forecast Valid: 9pm EDT Apr 15, 2026-6pm EDT Apr 22, 2026

View Nearby Observations

Detailed Forecast

Tonight

SSW wind around 10 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Waves around 1 ft.

Thursday

SW wind around 13 kt. Showers likely and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. Waves around 1 ft.

Thursday Night

W wind 6 to 10 kt becoming NNW after midnight. A chance of showers and thunderstorms before 7pm. Waves 1 ft or less.

Friday

N wind around 6 kt becoming SE in the afternoon. Partly sunny. Waves 1 ft or less.

Friday Night

ESE wind 9 to 13 kt. A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Waves 1 ft or less.

Saturday

S wind 16 to 18 kt becoming SW in the afternoon. Winds could gust as high as 25 kt. Showers and thunderstorms before 11am, then showers between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Waves around 2 ft.

Saturday Night

W wind around 16 kt. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Waves around 1 ft.

Sunday

W wind 16 to 19 kt, with gusts as high as 25 kt. Mostly sunny. Waves around 1 ft.

Sunday Night

NW wind 11 to 16 kt, with gusts as high as 22 kt. 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 48 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.