| 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: 243 AM CDT Sun May 31 2026 | |
| Today: Southeast winds 10 to 15 kt backing to northeast. Waves 1 to 3 ft subsiding to 1 to 2 ft. Tonight: Northeast winds 5 to 10 kt becoming north. Waves 1 ft or less. Monday: North winds 5 to 10 kt increasing to 10 to 15 kt. Waves 1 to 3 ft. Monday Night: Northeast winds 10 to 20 kt becoming east. Waves 2 to 4 ft. Tuesday: Northeast winds 10 to 15 kt becoming north 10 to 20 kt. Waves 2 to 4 ft. Tuesday Night: North winds 10 to 20 kt becoming northeast 5 to 10 kt. Waves 2 to 4 ft. Wednesday: East winds 5 to 10 kt becoming south. Waves 1 to 2 ft. Thursday: Southwest winds 10 to 20 kt becoming south 15 to 25 kt. Waves 2 to 4 ft building to 3 to 5 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 |