Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
785 FZUS53 KLOT 150318 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 918 PM CST Fri Nov 14 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>743-151015- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 918 PM CST Fri Nov 14 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON... .REST OF TONIGHT...South winds 10 to 20 kt becoming southwest 15 to 25 kt. Partly cloudy late in the evening, then becoming mostly cloudy. Waves 1 to 3 ft building to 2 to 4 ft. .SATURDAY...Southwest winds 15 to 25 kt increasing to 20 to 25 kt and becoming west in the afternoon. Mostly cloudy in the morning then clearing. Waves 2 to 4 ft subsiding to 1 to 3 ft. .SATURDAY NIGHT...Northwest winds 20 to 25 kt increasing to 30 kt. Mostly clear. Waves 4 to 7 ft occasionally to 9 ft. .SUNDAY...Northwest winds 20 to 25 kt diminishing to 15 to 20 kt. Sunny. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. $$ LMZ744-745-151015- Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 918 PM CST Fri Nov 14 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY MORNING... .REST OF TONIGHT...South winds 10 to 20 kt becoming southwest 15 to 25 kt. Partly cloudy late in the evening, then becoming mostly cloudy. Waves 1 to 3 ft building to 2 to 4 ft. .SATURDAY...Southwest winds 15 to 25 kt becoming west in the afternoon. Cloudy in the morning, then becoming partly cloudy. Waves 2 to 4 ft. .SATURDAY NIGHT...Northwest winds to 30 kt. Mostly clear. Waves 5 to 8 ft occasionally to 10 ft building to 7 to 10 ft occasionally to 13 ft. .SUNDAY...Northwest winds to 30 kt. Sunny. Waves 7 to 10 ft occasionally to 13 ft subsiding to 4 to 7 ft occasionally to 9 ft. $$