



Last Update: 455 AM EDT Sun Apr 20 2025
For More Weather Information:
3NM WNW Copper Harbor MI
Marine Zone Forecast
Early This Morning
South wind less than 10 knots. Clear. Waves calm to 1 foot.
Today
South wind less than 10 knots backing southeast 10 to 15 knots by late morning, then becoming 10 to 20 knots late. Mostly sunny. Waves building to 2 to 3 feet.
Tonight
Southeast wind 10 to 20 knots backing east 15 to 25 knots late. Cloudy. A chance of rain by midnight. Rain possibly mixed with snow late. Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet.
Monday
Northeast wind 20 to 25 knots backing north in the afternoon. Rain and snow. Waves building to 6 to 9 feet occasionally to 11 feet, then subsiding to 5 to 8 feet occasionally to 10 feet.
Monday Night
Northwest wind 15 to 25 knots. Cloudy with rain showers and snow showers likely in the evening, then partly cloudy after midnight. Waves subsiding to 2 to 4 feet.
Basemap Options
Click map to change the forecast location
Loading map...