| 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: 303 AM CDT Sat May 30 2026 |  |
| Today: East winds 15 to 25 kt becoming northeast 10 to 20 kt. Waves 3 to 5 ft subsiding to 2 to 4 ft. Tonight: Northeast winds 10 to 20 kt veering to southeast. Waves 2 to 4 ft. Sunday: Southeast winds 10 to 15 kt backing to northeast. Waves 1 to 3 ft subsiding to 1 to 2 ft. Sunday Night: Northeast winds 5 to 10 kt becoming north. Waves 1 ft or less. Monday: Northeast winds 5 to 10 kt becoming north 10 to 20 kt in the afternoon. Waves 1 ft or less building to 1 to 3 ft. Monday Night: Northeast winds 10 to 20 kt becoming east 10 to 15 kt. Waves 2 to 4 ft. Tuesday: Northeast winds 10 to 15 kt becoming north 10 to 20 kt. Waves 1 to 3 ft. Wednesday: Southeast winds 5 to 10 kt increasing to 10 to 15 kt. Waves 1 to 2 ft. | |
| Zone Forecast: Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake (LMZ779) | |
Visit your local NWS office at: https://www.weather.gov/lot |