For More Weather Information:

3NM N Copper Harbor MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 1:08 pm CDT Mar 28, 2026
Forecast Valid: 1pm CDT Mar 28, 2026-6pm CDT Apr 3, 2026

This Afternoon

WSW wind around 10 kt becoming S. A chance of snow showers, mainly between 3pm and 4pm. Waves 1 to 2 ft.

Tonight

S wind 5 to 10 kt becoming NNE after midnight. Mostly cloudy, then gradually becoming mostly clear. Waves 1 ft or less.

Sunday

ENE wind around 10 kt becoming ESE in the afternoon. Partly sunny. Waves 1 ft or less.

Sunday Night

ESE wind 5 to 10 kt becoming NNE after midnight. Mostly cloudy. Waves around 1 ft.

Monday

E wind 5 to 10 kt, with gusts as high as 20 kt. Mostly cloudy. Waves around 1 ft.

Monday Night

E wind around 15 kt, with gusts as high as 25 kt. Rain and snow showers likely, becoming all rain after 10pm. Waves 2 ft building to 5 ft.

Tuesday

ENE wind 15 to 25 kt becoming N in the afternoon. Winds could gust as high as 35 kt. A chance of showers before 1pm. Waves 5 to 6 ft.

Tuesday Night

N wind 25 to 30 kt, with gusts as high as 35 kt. Widespread freezing spray after 11pm. Mostly cloudy. Waves 7 to 9 ft.

Wednesday

N wind 15 to 25 kt decreasing to 5 to 15 kt in the afternoon. Widespread freezing spray before 10am. Partly sunny. Waves 7 ft subsiding to 2 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.