FZUS53 KLOT 240237

NSHLOT



Nearshore Marine Forecast

National Weather Service Chicago/Romeoville IL

937 PM CDT Thu Oct 23 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>743-241000-

Winthrop Harbor to Wilmette Harbor IL-

Wilmette Harbor to Northerly Island IL-

Northerly Island to Calumet Harbor IL-

Calumet Harbor IL to Gary IN-

937 PM CDT Thu Oct 23 2025



.REST OF TONIGHT...Northwest winds 10 to 20 kt. Mostly clear.

Waves 3 to 5 ft subsiding to 2 to 4 ft overnight. 

.FRIDAY...Northwest winds 10 to 15 kt becoming north 5 to 10 kt 

in the afternoon. Sunny. Waves 2 to 4 ft subsiding to 1 to 3 ft. 

.FRIDAY NIGHT...Northeast winds around 5 kt becoming southeast 

5 to 10 kt overnight. Mostly clear. Waves 1 to 2 ft. 

.SATURDAY...Southeast winds 10 to 15 kt. Partly cloudy in the 

morning, then becoming mostly cloudy. Waves 1 to 3 ft. 



$$



LMZ744-745-241000-

Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-

937 PM CDT Thu Oct 23 2025



...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...



.REST OF TONIGHT...Northwest winds 10 to 20 kt. Partly cloudy. 

Waves 3 to 6 ft occasionally to 8 ft.

.FRIDAY...Northwest winds 10 to 20 kt diminishing to 5 to 10 kt 

in the afternoon and becoming north. Mostly sunny. Waves 3 to 6

ft occasionally to 8 ft subsiding to 2 to 4 ft.

.FRIDAY NIGHT...Northeast winds around 5 kt becoming southeast

5 to 10 kt overnight. Mostly clear. Waves 1 to 3 ft. 

.SATURDAY...Southeast winds 5 to 10 kt. Partly cloudy. Waves 

around 1 ft. 



$$