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Copper Harbor MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 10:09 am CDT Sep 4, 2026
Forecast Valid: 11am CDT Sep 4, 2026-6pm CDT Sep 10, 2026

Today

E wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers, mainly between 1pm and 3pm. Waves 1 to 2 ft.

Tonight

E wind 5 to 10 kt. A slight chance of showers before 7pm. Waves 1 ft or less.

Saturday

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

Saturday Night

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

Sunday

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

Sunday Night

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

Labor Day

E wind 5 to 15 kt, with gusts as high as 20 kt. A chance of showers. Waves 1 to 2 ft.

Monday Night

E wind 15 to 20 kt becoming SE after midnight. Winds could gust as high as 30 kt. Showers likely. Waves 2 to 4 ft.

Tuesday

SSE wind 20 to 30 kt, with gusts as high as 40 kt. Showers. Waves 3 to 4 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.