Coastal Waters Forecast for Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake (LMZ779) (Text-Only)
NWS Forecast for: Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake (LMZ779)
Issued by: National Weather Service Chicago, IL
Last Update: 312 AM CDT Sun Oct 5 2025
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Today: South winds 10 to 20 kt increasing to 30 kt. Waves 3 to 5 ft building to 5 to 8 ft occasionally to 10 ft.

Tonight: South winds to 30 kt becoming southwest. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to 9 ft.

Monday: Southwest winds 15 to 25 kt diminishing to 10 to 20 kt late in the morning, then becoming southwest 10 to 20 kt early in the afternoon becoming northwest 10 to 15 kt late. Chance of showers. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft.

Monday Night: North winds 10 to 15 kt increasing to 10 to 20 kt. Showers. Waves 2 to 4 ft.

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

Tuesday Night: North winds 10 to 20 kt becoming northeast. Waves 3 to 5 ft.

Wednesday: Northeast winds 10 to 20 kt diminishing to 10 to 15 kt. Waves 3 to 5 ft.

Thursday: Southeast winds 10 to 20 kt. Waves 4 to 6 ft occasionally to 8 ft.







Zone Forecast: Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake (LMZ779)

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