| 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: 145 PM CST Thu Feb 26 2026 | |
| Tonight: Southwest winds 10 to 20 kt diminishing to 10 to 15 kt. Waves 2 to 4 ft. Friday: Southwest winds 10 to 20 kt increasing to 30 kt. Waves 2 to 4 ft building to 5 to 8 ft occasionally to 10 ft. Friday Night: West winds to 30 kt becoming northwest 15 to 25 kt. Waves 5 to 8 ft occasionally to 10 ft. Saturday: North winds 10 to 20 kt. Chance of snow in the afternoon. Waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft occasionally to 8 ft. Saturday Night: North winds 10 to 20 kt. Chance of snow in the evening. Waves 4 to 6 ft occasionally to 8 ft. Sunday: North winds 10 to 20 kt diminishing to 10 to 15 kt. Waves 4 to 6 ft occasionally to 8 ft. Sunday Night: Northeast winds 10 to 15 kt. Waves 2 to 4 ft building to 3 to 5 ft. Monday: East winds 10 to 15 kt becoming southeast. Waves 3 to 5 ft. Tuesday: South winds 10 to 20 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 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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