FZUS53 KLOT 031548 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 948 AM CST Tue Feb 3 2026 For waters within five nautical miles of shore on Lake Michigan Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the waves, along with the average height of the highest 10 percent of the waves which will occasionally be encountered. LMZ740>742-032215- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 948 AM CST Tue Feb 3 2026 .REST OF TODAY...North winds 10 to 15 kt. Partly cloudy then becoming mostly cloudy. .TONIGHT...North winds 10 to 15 kt becoming northwest. Scattered snow showers. .WEDNESDAY...Northwest winds around 10 kt. Scattered snow showers in the morning. .WEDNESDAY NIGHT...Northwest winds around 10 kt becoming west overnight. Becoming mostly cloudy. Waves omitted due to extensive ice coverage $$ LMZ743>745-032215- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 948 AM CST Tue Feb 3 2026 .REST OF TODAY...Northwest winds 10 to 15 kt becoming north early. A few flurries. .TONIGHT...North winds around 10 kt becoming east overnight. Scattered snow showers. .WEDNESDAY...Variable winds less than 10 kt becoming northwest in the afternoon. A few flurries. .WEDNESDAY NIGHT...West winds around 10 kt. Partly cloudy. Waves omitted due to extensive ice coverage $$ Petr