FZUS53 KLOT 041819

NSHLOT



Nearshore Marine Forecast

National Weather Service Chicago/Romeoville IL

119 PM CDT Tue Aug 4 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>742-050315-

Winthrop Harbor to Wilmette Harbor IL-

Wilmette Harbor to Northerly Island IL-

Northerly Island to Calumet Harbor IL-

119 PM CDT Tue Aug 4 2026



.LATE THIS AFTERNOON...Southeast winds 15 to 25 kt. Partly 

cloudy. Waves 1 to 2 ft. 

.TONIGHT...South winds 10 to 15 kt becoming southwest. Slight 

chance of showers and thunderstorms after midnight. Waves 1 to 2 

ft. 

.WEDNESDAY...Southwest winds around 10 kt. Showers and

thunderstorms likely. Waves around 1 ft. 

.WEDNESDAY NIGHT...West winds around 10 kt becoming north

overnight. Showers and thunderstorms likely. Waves around 1 ft.

.THURSDAY...Northeast winds around 10 kt becoming east in the

afternoon. Slight chance of showers and thunderstorms in the

morning. Waves around 1 ft.  



$$



LMZ743>745-050315-

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

Burns Harbor to Michigan City IN-

119 PM CDT Tue Aug 4 2026



.LATE THIS AFTERNOON...Southeast winds around 10 kt. Partly

cloudy. Waves around 1 ft. 

.TONIGHT...Southeast winds around 10 kt becoming south. Partly 

cloudy. Waves around 1 ft. 

.WEDNESDAY...Southwest winds around 10 kt. Chance of showers and

thunderstorms in the morning, then showers and thunderstorms

likely in the afternoon. Waves around 1 ft. 

.WEDNESDAY NIGHT...Southwest winds around 10 kt becoming south.

Showers and thunderstorms. Waves around 1 ft. 

.THURSDAY...East winds around 10 kt becoming northeast in the

afternoon. Chance of showers and slight chance of thunderstorms. 

Waves around 1 ft. 



$$



Borchardt