FZUS53 KLOT 241444

NSHLOT



Nearshore Marine Forecast

National Weather Service Chicago/Romeoville IL

944 AM CDT Fri Oct 24 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>742-242115-

Winthrop Harbor to Wilmette Harbor IL-

Wilmette Harbor to Northerly Island IL-

Northerly Island to Calumet Harbor IL-

944 AM CDT Fri Oct 24 2025



.REST OF TODAY...Northwest winds 10 to 15 kt becoming northeast

this afternoon. Mostly sunny. Waves 1 to 3 ft. 

.TONIGHT...East winds around 5 kt becoming south overnight.

Becoming partly cloudy. Waves 1 to 2 ft. 

.SATURDAY...South winds 10 to 15 kt becoming southeast in the

afternoon. Slight chance of showers in the afternoon. Waves 1 to

2 ft. 

.SATURDAY NIGHT...Southeast winds 10 to 15 kt. Slight chance of

showers in the evening. Waves 1 to 3 ft building to 2 to 4 ft.  



$$



LMZ744-745-242115-

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

944 AM CDT Fri Oct 24 2025



...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...



.REST OF TODAY...Northwest winds 10 to 15 kt becoming north this

afternoon. Becoming mostly sunny. Waves 3 to 5 ft subsiding to 2 

to 4 ft.

.TONIGHT...Northeast winds around 10 kt becoming southeast

overnight. Mostly clear. Waves 1 to 3 ft. 

.SATURDAY...Southeast winds 10 to 15 kt. Slight chance of showers

in the afternoon. Waves 1 to 2 ft. 

.SATURDAY NIGHT...East winds 10 to 15 kt becoming southeast.

Slight chance of showers in the evening. Waves 1 to 2 ft.  



$$



LMZ743-242115-

Calumet Harbor IL to Gary IN-

944 AM CDT Fri Oct 24 2025



.REST OF TODAY...Northwest winds 10 to 15 kt becoming north late.

Mostly sunny. Waves 2 to 4 ft. 

.TONIGHT...East winds around 5 kt becoming southeast overnight.

Mostly clear in the evening, then becoming partly cloudy. Waves

1 to 2 ft. 

.SATURDAY...South winds 10 to 15 kt becoming southeast in the

afternoon. Slight chance of showers in the afternoon. Waves 1 to

2 ft. 

.SATURDAY NIGHT...Southeast winds 10 to 15 kt. Slight chance of

showers in the evening. Waves 1 to 3 ft building to 2 to 4 ft.  



$$



Borchardt