Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
752 FZUS53 KLOT 291534 CCA NSHLOT Nearshore Marine Forecast...CORRECTED National Weather Service Chicago/Romeoville IL 934 AM CST Sat Nov 29 2025 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>742-292300- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 934 AM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING... .REST OF TODAY...Southeast winds to 30 kt. Snow. Waves 1 to 3 ft building to 6 to 9 ft occasionally to 12 ft. .TONIGHT...Southeast winds to 30 kt becoming south 10 to 20 kt after midnight, then shifting west to 30 kt by daybreak. Snow and slight chance of rain. Waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 7 ft occasionally to 9 ft. .SUNDAY...Northwest winds to 30 kt. Snow likely in the morning, then slight chance of snow in the afternoon. Waves 4 to 7 ft occasionally to 9 ft. .SUNDAY NIGHT...Northwest winds 15 to 25 kt diminishing to 10 to 15 kt. Slight chance of snow in the evening. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft. $$ LMZ743>745-292300- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 934 AM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .REST OF TODAY...Southeast winds 20 to 25 kt increasing to 30 kt. Snow. Waves 1 to 2 ft building to 3 to 5 ft. .TONIGHT...Southeast winds to 30 kt becoming southwest after midnight, then becoming west by daybreak. Snow and slight chance of rain in the evening, then rain and snow overnight. Waves building to 4 to 7 ft occasionally to 9 ft. .SUNDAY...West winds to 30 kt becoming northwest. Occasional gale gusts to 35 kt. Snow. Waves 8 to 11 ft occasionally to 14 ft. .SUNDAY NIGHT...Northwest winds to 30 kt diminishing to 10 to 20 kt. Slight chance of snow in the evening. Waves 7 to 10 ft occasionally to 13 ft subsiding to 5 to 8 ft occasionally to 10 ft. $$