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Detroit/Pontiac, MI Local Forecast Office

5NM NE Stony Point MI

Marine Point Forecast

[NOTICE]

Friday
High: 62 °F
⇑S 9kt
< 1ft
Friday Night
Low: 53 °F
SSW 10kt
< 1ft
Saturday
High: 70 °F
SW 13kt
1ft
Saturday Night
Low: 56 °F
SW 9kt
< 1ft
Sunday
High: 70 °F
SE 9kt
< 1ft
Sunday Night
Low: 60 °F
SE 11kt
1ft
Monday
High: 78 °F
SSW 15kt
1-2ft
Monday Night
Low: 67 °F
SSW 13kt
2ft
Tuesday
High: 78 °F
SW 18kt
2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:24 am EDT May 15, 2026
Forecast Valid: 3am EDT May 15, 2026-6pm EDT May 21, 2026

View Nearby Observations

Detailed Forecast

Friday

Variable winds less than 5 kt becoming S 5 to 9 kt in the morning. Partly sunny. Waves 1 ft or less.

Friday Night

SSW wind around 10 kt. Partly cloudy. Waves 1 ft or less.

Saturday

S wind around 13 kt becoming SW in the afternoon. Showers likely, with thunderstorms also possible after 2pm. Waves around 1 ft.

Saturday Night

SW wind 6 to 9 kt. A chance of showers and thunderstorms. Waves 1 ft or less.

Sunday

SE wind 5 to 9 kt. Partly sunny. Waves 1 ft or less.

Sunday Night

SE wind around 11 kt becoming S after midnight. Partly cloudy. Waves around 1 ft.

Monday

SSW wind 11 to 15 kt. Sunny. Waves 1 to 2 ft.

Monday Night

SSW wind around 13 kt. A chance of showers and thunderstorms after 2am. Waves around 2 ft.

Tuesday

SW wind 14 to 18 kt, with gusts as high as 24 kt. A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm after 2pm. Waves around 2 ft.

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

The water temperature at Belle Isle is missing.

*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.