FZUS53 KLOT 011959 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 159 PM CST Sun Nov 1 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>742-020500- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 159 PM CST Sun Nov 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY EVENING THROUGH LATE TUESDAY NIGHT... .TONIGHT...Southeast winds 10 to 15 kt becoming south. A chance of sprinkles in the evening, then slight chance of showers and patchy drizzle after midnight. Waves around 1 ft building to 1 to 3 ft. .MONDAY...South winds 10 to 15 kt increasing to 15 to 20 kt. Chance of showers and patchy drizzle in the morning, then chance of showers in the afternoon. Waves 2 to 4 ft. .MONDAY NIGHT...South winds 15 to 25 kt increasing to 20 to 25 kt. Chance of showers in the evening, then slight chance of showers overnight. Waves 3 to 5 ft building to 3 to 6 ft occasionally to 8 ft. .TUESDAY...South winds 20 to 25 kt. Slight chance of showers in the morning, then chance of showers and slight chance of thunderstorms in the afternoon. Waves 3 to 6 ft occasionally to 8 ft. $$ LMZ743>745-020500- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 159 PM CST Sun Nov 1 2026 .TONIGHT...Southeast winds 10 to 15 kt becoming south. A chance of sprinkles in the evening, then slight chance of showers and patchy drizzle after midnight. Waves 1 to 2 ft. .MONDAY...South winds 10 to 20 kt. Chance of showers and patchy drizzle in the morning, then chance of showers in the afternoon. Waves 1 to 3 ft. .MONDAY NIGHT...South winds 15 to 25 kt. Slight chance of showers in the evening. Waves 2 to 4 ft. .TUESDAY...South winds 20 to 25 kt. Slight chance of showers. Waves 2 to 4 ft. A small craft advisory will likely be needed. $$ Carlaw