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Detroit/Pontiac, MI Local Forecast Office

Algonac MI

Marine Point Forecast

[NOTICE]

Columbus Day
High: 70 °F
SSW 9kt
< 1ft
Tonight
Low: 67 °F
SSW 10kt
< 1ft
Tuesday
High: 78 °F
SSW 12kt
< 1ft
Tuesday Night
Low: 61 °F
WNW 10kt⇓
< 1ft
Wednesday
High: 66 °F
⇑N 7kt
< 1ft
Wednesday Night
Low: 52 °F
NNE 8kt
< 1ft
Thursday
High: 63 °F
E 7kt
< 1ft
Thursday Night
Low: 51 °F
Light Wind
< 1ft
Friday
High: 63 °F
WNW 19kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:49 pm EDT Oct 12, 2026
Forecast Valid: 4pm EDT Oct 12, 2026-6pm EDT Oct 18, 2026

View Nearby Observations

Detailed Forecast

Columbus Day

SSW wind around 9 kt. Partly sunny. Waves 1 ft or less.

Tonight

SSW wind 8 to 10 kt. A chance of rain and thunderstorms, mainly between 1am and 5am. Waves 1 ft or less.

Tuesday

SSW wind around 12 kt, with gusts as high as 22 kt. A chance of rain and thunderstorms before 8am. Waves 1 ft or less.

Tuesday Night

WNW wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Winds could gust as high as 18 kt. A chance of rain after 4am. Waves 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming N 5 to 7 kt in the morning. Mostly cloudy. Waves 1 ft or less.

Wednesday Night

NNE wind 6 to 8 kt. Mostly cloudy. Waves 1 ft or less.

Thursday

E wind 5 to 7 kt. A chance of rain after 2pm. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Rain. Waves 1 ft or less.

Friday

WNW wind 14 to 19 kt, with gusts as high as 32 kt. A chance of rain. Waves 1 ft or less.

*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.