FZUS53 KLOT 221929

NSHLOT



Nearshore Marine Forecast

National Weather Service Chicago/Romeoville IL

229 PM CDT Sun Mar 22 2026



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>742-230330-

Winthrop Harbor to Wilmette Harbor IL-

Wilmette Harbor to Northerly Island IL-

Northerly Island to Calumet Harbor IL-

229 PM CDT Sun Mar 22 2026



...GALE WARNING IN EFFECT UNTIL 10 PM CDT THIS EVENING...



.LATE THIS AFTERNOON...North gales to 40 kt. Chance of showers. 

Waves 8 to 11 ft occasionally to 14 ft. 

.TONIGHT...North gales to 35 kt diminishing to 15 to 25 kt this

evening. Mostly cloudy. Waves 8 to 11 ft occasionally to 14 ft 

subsiding to 5 to 8 ft occasionally to 10 ft. 

.MONDAY...North winds 15 to 25 kt becoming northeast and

diminishing to 10 to 15 kt. Partly cloudy in the morning then

clearing. Waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to

4 ft. 

.MONDAY NIGHT...Southeast winds around 10 kt becoming south

overnight. Partly cloudy in the evening, then becoming mostly

cloudy. Waves 2 to 4 ft subsiding to 1 to 2 ft. 

.TUESDAY...South winds 10 to 15 kt. Mostly cloudy. Waves 1 to

2 ft.  



$$



LMZ743>745-230330-

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

Burns Harbor to Michigan City IN-

229 PM CDT Sun Mar 22 2026



...GALE WARNING IN EFFECT UNTIL 10 PM CDT THIS EVENING...



.LATE THIS AFTERNOON...North gales to 35 kt. Chance of showers.

Waves 8 to 11 ft occasionally to 14 ft. 

.TONIGHT...North gales to 35 kt diminishing to 30 kt this 

evening. Chance of showers in the evening. Waves 8 to 12 ft 

occasionally to 16 ft subsiding to 6 to 9 ft occasionally to 12 

ft. 

.MONDAY...North winds 15 to 25 kt becoming northeast and

diminishing to 10 to 15 kt. Mostly cloudy in the morning then

clearing. Waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to

5 ft. 

.MONDAY NIGHT...East winds around 10 kt becoming south overnight.

Partly cloudy in the evening, then becoming mostly cloudy. Waves

2 to 4 ft subsiding to 1 to 2 ft. 

.TUESDAY...South winds 10 to 15 kt. Mostly cloudy. Waves 1 to

2 ft.  



$$



DK