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: 254 PM CDT Mon Jul 20 2026




Tonight: South winds to 30 kt becoming west. Patchy smoke this evening. Chance of showers and thunderstorms. Waves 5 to 8 ft occasionally to 10 ft.

Tuesday: West winds to 30 kt becoming northwest. Slight chance of showers in the afternoon. Waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft occasionally to 8 ft.

Tuesday Night: North winds to 30 kt. Waves 4 to 7 ft occasionally to 9 ft building to 7 to 10 ft occasionally to 13 ft.

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

Wednesday Night: North winds to 30 kt backing to west 5 to 10 kt overnight. Waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to 4 ft.

Thursday: West winds 10 to 15 kt becoming southwest 10 to 20 kt. Waves 1 to 2 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 3 ft.

Saturday: Southwest winds 10 to 20 kt becoming south 15 to 25 kt. Waves 1 to 2 ft building to 2 to 4 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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