054  
FZUS53 KLOT 111456  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
956 AM CDT MON AUG 11 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>742-112130-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
956 AM CDT MON AUG 11 2025  
   
REST OF TODAY  
SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTHEAST  
IN THE LATE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
WAVES 1 TO 2 FT.   
TONIGHT  
SOUTH WINDS 5 TO 10 KT BECOMING SOUTHWEST OVERNIGHT.  
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES AROUND 1 FT.    
TUESDAY  
SOUTHWEST WINDS 10 TO 15 KT. SHOWERS LIKELY AND A  
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON. WAVES AROUND 1 FT.    
TUESDAY NIGHT  
SOUTHWEST WINDS AROUND 10 KT BECOMING WEST  
OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
EVENING. WAVES AROUND 1 FT.  
 
 
 
LMZ743>745-112130-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
956 AM CDT MON AUG 11 2025  
   
REST OF TODAY  
SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTHEAST  
10 TO 15 KT IN THE LATE AFTERNOON. CHANCE OF SHOWERS AND  
THUNDERSTORMS. WAVES 1 TO 2 FT.    
TONIGHT  
SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTHWEST 5 TO  
10 KT OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE EVENING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT.  
WAVES AROUND 1 FT.    
TUESDAY  
SOUTHWEST WINDS 10 TO 15 KT. SHOWERS LIKELY AND A  
CHANCE OF THUNDERSTORMS. WAVES AROUND 1 FT.    
TUESDAY NIGHT  
SOUTHWEST WINDS 5 TO 10 KT BECOMING WEST  
OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
EVENING. WAVES AROUND 1 FT.  
 
 
DK  
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