Coastal Waters Forecast for Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake (LMZ878) (Text-Only)
NWS Forecast for: Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake (LMZ878)
Issued by: National Weather Service Grand Rapids, MI
Last Update: 216 AM CST Thu Dec 4 2025




Today: Northwest winds 15 to 25 kt diminishing to 10 to 20 kt late this morning, then diminishing to 5 to 10 kt early this afternoon becoming southwest 10 to 15 kt late. Waves 5 to 8 ft occasionally to 10 ft subsiding to 2 to 4 ft.

Tonight: Southwest winds 10 to 20 kt increasing to 30 kt. Waves 2 to 4 ft building to 8 to 11 ft occasionally to 14 ft.

Friday: Southwest winds to 30 kt. Chance of snow in the afternoon. Waves 8 to 12 ft occasionally to 16 ft subsiding to 8 to 11 ft occasionally to 14 ft.

Friday Night: Southwest winds to 30 kt becoming west 15 to 25 kt. Snow in the evening. Waves 7 to 10 ft occasionally to 13 ft.

Saturday: Northwest winds 15 to 25 kt diminishing to 10 to 20 kt. Chance of rain and snow in the morning. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 6 ft occasionally to 8 ft.

Saturday Night: Northwest winds 10 to 15 kt becoming north 10 to 20 kt. Chance of snow. Waves 3 to 5 ft.

Sunday: North winds 10 to 20 kt. Chance of snow. Waves 4 to 6 ft occasionally to 8 ft.

Monday: South winds 10 to 20 kt becoming southwest 15 to 25 kt. Waves 3 to 5 ft building to 4 to 7 ft occasionally to 9 ft.







Zone Forecast: Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake (LMZ878)

Visit your local NWS office at: https://www.weather.gov/grr/