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Detroit/Pontiac, MI Local Forecast Office

Harbor Beach MI

Marine Point Forecast

[NOTICE]

Columbus Day
High: 76 °F
WSW 7kt
< 1ft
Tonight
Low: 61 °F
Light Wind
< 1ft
Tuesday
High: 77 °F
W 14kt
< 1ft
Tuesday Night
Low: 51 °F
NW 9kt⇓
< 1ft
Wednesday
High: 59 °F
NNW 10kt
< 1ft
Wednesday Night
Low: 46 °F
N 9kt
< 1ft
Thursday
High: 58 °F
ESE 8kt
< 1ft
Thursday Night
Low: 49 °F
⇑S 7kt
< 1ft
Friday
High: 58 °F
NW 24kt
< 1ft

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 pm EDT Oct 12, 2026
Forecast Valid: 3pm EDT Oct 12, 2026-6pm EDT Oct 18, 2026

View Nearby Observations

Detailed Forecast

Columbus Day

WSW wind around 7 kt. Mostly sunny. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. A chance of rain and thunderstorms before 2am, then rain likely and possibly a thunderstorm between 2am and 3am, then a chance of rain and thunderstorms after 3am. Waves 1 ft or less.

Tuesday

SSW wind 6 to 14 kt becoming W in the afternoon. Winds could gust as high as 22 kt. A chance of rain before 7am. Waves 1 ft or less.

Tuesday Night

NW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Increasing clouds. Waves 1 ft or less.

Wednesday

NNW wind 6 to 10 kt. Mostly cloudy. Waves 1 ft or less.

Wednesday Night

N wind 6 to 9 kt. Mostly cloudy. Waves 1 ft or less.

Thursday

ESE wind around 8 kt. Mostly cloudy. Waves 1 ft or less.

Thursday Night

Variable winds less than 5 kt becoming S 5 to 7 kt in the evening. Rain. Waves 1 ft or less.

Friday

NW wind 16 to 24 kt, with gusts as high as 34 kt. Rain likely. Waves 1 ft or less.

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

*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.