| NWS Forecast for: Winthrop Harbor to Wilmette Harbor IL (LMZ740) Issued by: National Weather Service Chicago, IL Last Update: 225 PM CST Sat Jan 10 2026 | |
Tonight: West winds to 30 kt becoming northwest. A few gale force gusts possible late. Scattered snow showers. Waves 2 to 4 ft building to 3 to 6 ft occasionally to 8 ft. Sunday: Northwest winds to 30 kt with a few gale force gusts possible early diminishing to 15 to 25 kt in the afternoon. A few flurries in the morning. Waves 4 to 6 ft occasionally to 8 ft. Sunday Night: Southwest winds 15 to 20 kt. Partly cloudy. Waves 3 to 5 ft subsiding to 2 to 4 ft. Monday: Southwest winds 15 to 20 kt. Partly cloudy in the morning then clearing. Waves 1 to 3 ft. | |
| Zone Forecast: Winthrop Harbor to Wilmette Harbor IL (LMZ740) | |
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