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Detroit/Pontiac, MI Local Forecast Office

3NM SSW Algonac MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 43 °F
⇑SW 7kt
< 1ft
Tuesday
High: 60 °F
WNW 8kt
< 1ft
Tuesday Night
Low: 36 °F
Light Wind
< 1ft
Veterans Day
High: 53 °F
Light Wind
< 1ft
Wednesday Night
Low: 38 °F
Light Wind
< 1ft
Thursday
High: 49 °F
NNE 14kt
< 1ft
Thursday Night
Low: 35 °F
N 18kt
< 1ft
Friday
High: 41 °F
N 14kt
< 1ft
Friday Night
Low: 34 °F
NNW 14kt
< 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 pm EST Nov 9, 2026
Forecast Valid: 7pm EST Nov 9, 2026-6pm EST Nov 16, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds less than 5 kt becoming SW 5 to 7 kt after midnight. Winds could gust as high as 18 kt. Mostly cloudy, then gradually becoming mostly clear. Waves 1 ft or less.

Tuesday

WNW wind 6 to 8 kt. Sunny. Waves 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Veterans Day

Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. A chance of rain. Waves 1 ft or less.

Thursday

NNE wind 7 to 14 kt, with gusts as high as 25 kt. Rain likely, mainly after 1pm. Waves 1 ft or less.

Thursday Night

N wind 15 to 18 kt, with gusts as high as 24 kt. A chance of rain. Waves 1 ft or less.

Friday

N wind 12 to 14 kt, with gusts as high as 22 kt. Rain likely. Waves 1 ft or less.

Friday Night

NNW wind 12 to 14 kt, with gusts as high as 20 kt. A chance of rain before 1am, then a chance of rain and snow. 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.