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Copper Harbor MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 1:42 am CDT Sep 19, 2026
Forecast Valid: 1am CDT Sep 19, 2026-6pm CDT Sep 25, 2026

Saturday

S wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.

Saturday Night

Variable winds less than 5 kt becoming NNE 5 to 10 kt after midnight. Mostly cloudy. Waves 1 ft or less.

Sunday

NE wind around 15 kt, with gusts as high as 25 kt. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.

Sunday Night

NNE wind 5 to 10 kt becoming E after midnight. Partly cloudy. Waves 1 ft or less.

Monday

E wind 5 to 10 kt. Mostly sunny. Waves 1 ft or less.

Monday Night

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

Tuesday

Variable winds less than 5 kt becoming ESE 5 to 10 kt in the morning. Sunny. Waves 1 ft or less.

Tuesday Night

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

Wednesday

SE wind 5 to 10 kt. Sunny. 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.