FZUS53 KLOT 270847

NSHLOT



Nearshore Marine Forecast

National Weather Service Chicago/Romeoville IL

347 AM CDT Mon Oct 27 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.



LMZ740-272130-

Winthrop Harbor to Wilmette Harbor IL-

347 AM CDT Mon Oct 27 2025



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



.EARLY THIS MORNING...Southeast winds 20 to 25 kt. Clear. Waves

4 to 7 ft occasionally to 9 ft. 

.TODAY...East winds 15 to 25 kt. Sunny. Waves 3 to 6 ft

occasionally to 8 ft.

.TONIGHT...East winds 20 to 25 kt becoming southeast 15 to 20 kt.

Mostly clear. Waves 5 to 8 ft occasionally to 10 ft. 

.TUESDAY...East winds 15 to 20 kt increasing to 20 to 25 kt.

Slight chance of showers in the afternoon. Waves 4 to 7 ft

occasionally to 9 ft building to 5 to 8 ft occasionally to 10 ft.

.TUESDAY NIGHT...East winds to 30 kt. Chance of rain. Waves 7 to 

10 ft occasionally to 13 ft. 



$$



LMZ741-742-272130-

Wilmette Harbor to Northerly Island IL-

Northerly Island to Calumet Harbor IL-

347 AM CDT Mon Oct 27 2025



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



.EARLY THIS MORNING...Southeast winds 20 to 25 kt. Clear. Waves

4 to 6 ft occasionally to 8 ft. 

.TODAY...East winds 15 to 25 kt. Sunny. Waves 3 to 6 ft. 

.TONIGHT...East winds 20 to 25 kt diminishing to 15 to 20 kt.

Mostly clear. Waves 4 to 7 ft occasionally to 9 ft. 

.TUESDAY...East winds 15 to 20 kt. Slight chance of showers in

the afternoon. Waves 4 to 6 ft occasionally to 8 ft. 

.TUESDAY NIGHT...East winds 20 to 25 kt. Chance of rain. Waves

5 to 8 ft occasionally to 10 ft building to 6 to 9 ft

occasionally to 12 ft.  



$$



LMZ743>745-272130-

Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-

Burns Harbor to Michigan City IN-

347 AM CDT Mon Oct 27 2025



.EARLY THIS MORNING...East winds 15 to 20 kt. Clear. Waves 2 to 4

ft. 

.TODAY...East winds 15 to 25 kt. Mostly sunny. Waves 2 to 4 ft. 

.TONIGHT...East winds 15 to 25 kt. Mostly clear. Waves 3 to 5 ft 

subsiding to 2 to 4 ft. 

.TUESDAY...East winds 15 to 20 kt. Slight chance of showers in

the afternoon. Waves 2 to 4 ft. 

.TUESDAY NIGHT...East winds 20 to 25 kt. Chance of rain. Waves

4 to 6 ft occasionally to 8 ft. A small craft advisory will

likely be needed.  



$$



Kluber