FZUS53 KLOT 201445

NSHLOT



Nearshore Marine Forecast

National Weather Service Chicago/Romeoville IL

945 AM CDT Sat Jun 20 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>742-202115-

Winthrop Harbor to Wilmette Harbor IL-

Wilmette Harbor to Northerly Island IL-

Northerly Island to Calumet Harbor IL-

945 AM CDT Sat Jun 20 2026



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

late this afternoon. Mostly sunny. Waves 1 to 2 ft. 

.TONIGHT...Southeast winds 10 to 15 kt becoming west around 5 kt

overnight. Partly cloudy. Waves 1 ft or less. 

.SUNDAY...East winds around 10 kt increasing to 15 to 25 kt in the

afternoon. Chance of showers in the morning, then showers likely 

in the afternoon. Waves 1 ft or less building to 2 to 4 ft.

.SUNDAY NIGHT...Northeast winds to 30 kt diminishing to 15 to

25 kt. Showers in the evening, then chance of showers overnight.

Waves 3 to 5 ft building to 4 to 7 ft occasionally to 9 ft. A 

small craft advisory will likely be needed. 



$$



LMZ743>745-202115-

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

Burns Harbor to Michigan City IN-

945 AM CDT Sat Jun 20 2026



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

this afternoon. Sunny. Waves 1 to 3 ft. 

.TONIGHT...Southeast winds 10 to 15 kt becoming southwest around

5 kt overnight. Partly cloudy. Waves around 1 ft. 

.SUNDAY...East winds around 10 kt increasing to 15 to 25 kt in

the afternoon. Chance of showers in the morning, then showers in

the afternoon. Waves 1 ft or less building to 2 to 4 ft. 

.SUNDAY NIGHT...Northeast winds 20 to 25 kt. Showers. Waves 3 to 5

ft building to 4 to 7 ft occasionally to 9 ft. A small craft 

advisory will likely be needed. 



$$



Yack