For More Weather Information:

Copper Harbor MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 10:13 am CDT Mar 18, 2025
Forecast Valid: 11am CDT Mar 18, 2025-6pm CDT Mar 24, 2025

Today

E wind around 10 kt. Mostly cloudy. Waves 2 to 3 ft.

Tonight

NE wind 10 to 15 kt. A slight chance of snow showers before 1am. Waves around 2 ft.

Wednesday

NNE wind 15 to 25 kt. Snow likely, mainly after 4pm. The snow could be heavy at times. Waves 3 ft building to 7 ft.

Wednesday Night

N wind around 25 kt, with gusts as high as 35 kt. Snow likely, mainly before 7pm. The snow could be heavy at times. Waves 8 ft building to 11 ft.

Thursday

N wind 15 to 25 kt becoming W in the afternoon. Mostly cloudy, then gradually becoming sunny. Waves 9 ft subsiding to 4 ft.

Thursday Night

SSW wind 10 to 15 kt. Increasing clouds. Waves 1 to 2 ft.

Friday

SSW wind 10 to 15 kt becoming W in the afternoon. Partly sunny. Waves 1 to 2 ft.

Friday Night

N wind 20 to 25 kt. Widespread freezing spray after 1am. Mostly cloudy. Waves 4 ft building to 8 ft.

Saturday

NNW wind 15 to 20 kt. Widespread freezing spray before noon. Partly sunny. Waves 7 ft subsiding 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.