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9NM SE Copper Harbor MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 9:22 pm CDT Oct 13, 2026
Forecast Valid: 12am CDT Oct 14, 2026-6pm CDT Oct 20, 2026

Overnight

NW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly cloudy. Waves around 1 ft.

Wednesday

NW wind 10 to 15 kt. Mostly cloudy. Waves 1 ft or less.

Wednesday Night

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

Thursday

S wind 5 to 10 kt, with gusts as high as 15 kt. Showers likely after 1pm. Waves 1 ft or less.

Thursday Night

SW wind 5 to 10 kt becoming NW 15 to 25 kt after midnight. Winds could gust as high as 35 kt. Showers. Waves 1 ft or less building to 3 ft.

Friday

NNW wind 30 to 35 kt, with gusts as high as 50 kt. A chance of showers before 1pm. Waves 5 to 7 ft.

Friday Night

NNW wind 20 to 25 kt becoming W 15 to 20 kt after midnight. Winds could gust as high as 35 kt. Partly cloudy. Waves 4 ft subsiding to 1 ft.

Saturday

SW wind 10 to 15 kt, with gusts as high as 20 kt. Sunny. Waves 1 to 2 ft.

Saturday Night

SW wind 10 to 20 kt, with gusts as high as 30 kt. Mostly clear. Waves 1 ft building 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.