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Detroit/Pontiac, MI Local Forecast Office

5NM NE Stony Point MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 69 °F
ESE 11kt
1ft
Tonight
Low: 68 °F
E 11kt
1ft
Sunday
High: 68 °F
NNE 14kt
< 1ft
Sunday Night
Low: 58 °F
NNE 17kt
1ft
Monday
High: 61 °F
NE 18kt
2ft
Monday Night
Low: 55 °F
NE 20kt
2ft
Tuesday
High: 60 °F
ENE 21kt
2ft
Tuesday Night
Low: 57 °F
ENE 23kt
2-4ft
Wednesday
High: 61 °F
E 22kt
3-4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 10:13 am EDT Sep 19, 2026
Forecast Valid: 1pm EDT Sep 19, 2026-6pm EDT Sep 25, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

ESE wind 9 to 11 kt. Showers likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Waves around 1 ft.

Tonight

E wind 9 to 11 kt becoming SSE after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Waves around 1 ft.

Sunday

WNW wind 9 to 14 kt becoming NNE in the afternoon. Showers, mainly before 8am. Patchy fog before 11am. Waves 1 ft or less.

Sunday Night

NNE wind 15 to 17 kt, with gusts as high as 23 kt. Mostly cloudy. Waves around 1 ft.

Monday

NE wind around 18 kt. Mostly cloudy. Waves around 2 ft.

Monday Night

NE wind 15 to 20 kt. Mostly cloudy. Waves around 2 ft.

Tuesday

ENE wind around 21 kt. Mostly cloudy. Waves around 2 ft.

Tuesday Night

ENE wind 19 to 23 kt, with gusts as high as 30 kt. A chance of showers. Waves 2 to 4 ft.

Wednesday

E wind 18 to 22 kt. Showers likely. Waves 3 to 4 ft.

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

The water temperature at Belle Isle is 67 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.