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Detroit/Pontiac, MI Local Forecast Office

4NM SE Au Gres MI

Marine Point Forecast

[NOTICE]

Today
High: 24 °F
NNW 9kt
< 1ft

Small Craft Advisory
Tonight
Low: 20 °F
⇑SSW 23kt
4ft
Tuesday
High: 32 °F
SSW 25kt
5ft
Tuesday Night
Low: 27 °F
SSE 21kt
2-3ft
Wednesday
High: 34 °F
N 22kt
2-4ft
Wednesday Night
Low: 20 °F
WNW 21kt
1-2ft
Thursday
High: 26 °F
W 14kt
< 1ft
Thursday Night
Low: 18 °F
W 15kt
< 1ft
Friday
High: 24 °F
WSW 18kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:13 am EST Dec 8, 2025
Forecast Valid: 5am EST Dec 8, 2025-6pm EST Dec 14, 2025

View Nearby Observations

Detailed Forecast

Today

NNW wind 5 to 9 kt becoming SSW in the afternoon. Mostly sunny. Waves 1 ft or less.

Tonight

SSW wind 11 to 16 kt increasing to 18 to 23 kt after midnight. A chance of snow, mainly after 5am. Waves 1 ft building to 4 ft.

Tuesday

SSW wind 20 to 25 kt, with gusts as high as 31 kt. Snow, mainly between 7am and 1pm. Waves 5 ft subsiding to 2 ft.

Tuesday Night

WSW wind 15 to 21 kt becoming SE after midnight. Snow before 4am, then rain and snow. Waves 2 to 3 ft.

Wednesday

ENE wind 18 to 22 kt becoming NNW in the afternoon. Winds could gust as high as 29 kt. Rain, possibly mixed with snow, becoming all snow after 10am. Waves 2 to 4 ft.

Wednesday Night

WNW wind 15 to 21 kt. Mostly cloudy. Waves 1 to 2 ft.

Thursday

W wind 12 to 14 kt. Mostly cloudy. Waves 1 ft or less.

Thursday Night

W wind 12 to 15 kt. Mostly cloudy. Waves 1 ft or less.

Friday

WSW wind 15 to 18 kt, with gusts as high as 24 kt. A chance of snow. Waves around 1 ft.

*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.