FZUS53 KLOT 051955

NSHLOT



Nearshore Marine Forecast

National Weather Service Chicago/Romeoville IL

255 PM CDT Wed Aug 5 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>742-060315-

Winthrop Harbor to Wilmette Harbor IL-

Wilmette Harbor to Northerly Island IL-

Northerly Island to Calumet Harbor IL-

255 PM CDT Wed Aug 5 2026



.TONIGHT...Southwest winds 10 to 15 kt becoming south around 5 

kt after midnight. Showers likely with a slight chance of

thunderstorms. Waves 1 to 2 ft. 

.THURSDAY...South winds 5 to 10 kt becoming east in the 

afternoon. Mostly cloudy. Waves 1 to 2 ft. 

.THURSDAY NIGHT...Southeast winds 5 to 10 kt becoming south 

overnight. Partly cloudy in the evening, then becoming mostly 

cloudy. Waves 1 to 2 ft. 

.FRIDAY...South winds 5 to 10 kt. Slight chance of showers in the

afternoon. Waves around 1 ft. 



$$



LMZ743>745-060315-

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

Burns Harbor to Michigan City IN-

255 PM CDT Wed Aug 5 2026



.TONIGHT...Southwest winds 10 to 15 kt becoming south around 5 

kt. Showers likely with a slight chance of thunderstorms. Waves 1

to 2 ft.

.THURSDAY...South winds 5 to 10 kt becoming east in the 

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

showers and thunderstorms in the afternoon. Waves around 1 ft.

.THURSDAY NIGHT...Southeast winds around 5 kt becoming south 

overnight. Mostly cloudy. Waves around 1 ft. 

.FRIDAY...South winds around 5 kt becoming southwest. Slight

chance of showers and thunderstorms in the afternoon. Waves 1 ft

or less.  



$$



Yack