Coastal Waters Forecast for Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake. (LMZ080) (Text-Only)
NWS Forecast for: Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake. (LMZ080)
Issued by: National Weather Service Northern Indiana
Last Update: 302 AM CDT Tue Jul 21 2026
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Today: West winds 15 to 25 kt becoming northwest to 30 kt. Waves 4 to 7 ft occasionally to 9 ft.

Tonight: North winds to 30 kt. Slight chance of showers in the evening. Waves 7 to 10 ft occasionally to 13 ft building to 8 to 11 ft occasionally to 14 ft, then subsiding to 7 to 10 ft occasionally to 13 ft.

Wednesday: North winds to 30 kt. Waves 7 to 10 ft occasionally to 13 ft subsiding to 5 to 8 ft occasionally to 10 ft.

Wednesday Night: North winds 15 to 25 kt becoming northwest 5 to 10 kt overnight. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft.

Thursday: West winds 10 to 15 kt becoming southwest 10 to 20 kt. Waves 1 to 3 ft.

Thursday Night: South winds 10 to 20 kt becoming southwest. Waves 1 to 3 ft.

Friday: Southwest winds 10 to 15 kt becoming south 10 to 20 kt. Waves 1 to 2 ft.

Saturday: Southwest winds 10 to 20 kt becoming south 15 to 25 kt. Waves 1 to 2 ft building to 1 to 3 ft.







Zone Forecast: Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake. (LMZ080)

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