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Detroit/Pontiac, MI Local Forecast Office

5NM NE Stony Point MI

Marine Point Forecast

[NOTICE]

Today
High: 78 °F
SE 8kt
< 1ft
Tonight
Low: 69 °F
NE 8kt
< 1ft
Saturday
High: 76 °F
ESE 9kt
< 1ft
Saturday Night
Low: 72 °F
SE 11kt
1ft
Sunday
High: 80 °F
W 12kt
1ft
Sunday Night
Low: 69 °F
NW 10kt
< 1ft
Monday
High: 76 °F
NNW 9kt
< 1ft
Monday Night
Low: 65 °F
N 6kt⇓
< 1ft
Tuesday
High: 76 °F
⇑SW 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: 9:50 am EDT Aug 14, 2026
Forecast Valid: 10am EDT Aug 14, 2026-6pm EDT Aug 20, 2026

View Nearby Observations

Detailed Forecast

Today

E wind 6 to 8 kt becoming SE in the afternoon. Cloudy, then gradually becoming mostly sunny. Waves 1 ft or less.

Tonight

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

Saturday

ENE wind 7 to 9 kt becoming ESE in the afternoon. Partly sunny. Waves 1 ft or less.

Saturday Night

E wind around 11 kt becoming SSE after midnight. Showers and thunderstorms likely before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then showers likely after 5am. Waves around 1 ft.

Sunday

W wind around 12 kt. A chance of showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers likely after 5pm. Waves around 1 ft.

Sunday Night

NW wind around 10 kt. Showers likely before 8pm. Waves 1 ft or less.

Monday

NNW wind around 9 kt. Sunny. Waves 1 ft or less.

Monday Night

N wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming SW 5 to 7 kt in the afternoon. Sunny. Waves 1 ft or less.

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

The water temperature at Belle Isle is 76 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.