| 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: 848 PM CDT Mon Sep 7 2026 | |
| Rest Of Tonight: East winds 10 to 15 kt becoming southeast 10 to 20 kt. Waves 2 to 4 ft. Tuesday: South winds 10 to 20 kt. Waves 3 to 5 ft. Tuesday Night: South winds 10 to 20 kt becoming southwest. Chance of showers and thunderstorms overnight. Waves 3 to 5 ft. Wednesday: Southwest winds 15 to 25 kt. Showers likely in the morning, then chance of showers in the afternoon. Waves 4 to 6 ft occasionally to 8 ft. Wednesday Night: West winds 15 to 25 kt becoming northwest. Waves 3 to 5 ft. Thursday: Northwest winds 10 to 20 kt becoming north. Waves 2 to 4 ft. Thursday Night: North winds 5 to 10 kt veering to southeast 10 to 15 kt. Waves 1 to 3 ft. Friday: South winds 10 to 20 kt increasing to 15 to 25 kt. Waves 1 to 3 ft building to 3 to 5 ft. Saturday: Southwest winds 15 to 25 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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