010  
FZUS53 KLOT 260821  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
321 AM CDT SAT JUL 26 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>742-261530-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
321 AM CDT SAT JUL 26 2025  
   
TODAY
 
SOUTH WINDS 5 TO 10 KT BECOMING SOUTHEAST LATE. SHOWERS  
LIKELY AND A CHANCE OF THUNDERSTORMS IN THE MORNING, THEN SHOWERS  
AND THUNDERSTORMS LIKELY IN THE AFTERNOON. WAVES AROUND 1 FT.    
TONIGHT
 
SOUTH WINDS 5 TO 10 KT BECOMING SOUTHWEST OVERNIGHT.  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN CHANCE  
OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS OVERNIGHT. WAVES  
1 FT OR LESS.    
SUNDAY
 
NORTHWEST WINDS 5 TO 10 KT BECOMING EAST IN THE  
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 FT  
OR LESS.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTHWEST  
OVERNIGHT. MOSTLY CLEAR. WAVES 1 FT OR LESS.  
 

 
 
LMZ743>745-261530-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
321 AM CDT SAT JUL 26 2025  
   
TODAY
 
SOUTH WINDS 5 TO 10 KT. PATCHY DENSE FOG IN THE MORNING.  
SHOWERS AND THUNDERSTORMS LIKELY. WAVES AROUND 1 FT.    
TONIGHT
 
SOUTH WINDS 5 TO 10 KT BECOMING SOUTHWEST OVERNIGHT.  
SHOWERS AND THUNDERSTORMS LIKELY IN THE EVENING, THEN CHANCE OF  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS OVERNIGHT. WAVES 1 FT  
OR LESS.    
SUNDAY
 
WEST WINDS 5 TO 10 KT BECOMING NORTHEAST IN THE  
AFTERNOON. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS  
IN THE MORNING, THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. WAVES 1 FT OR LESS.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTHWEST  
OVERNIGHT. MOSTLY CLEAR. WAVES 1 FT OR LESS.  
 

 
 
KMD  
 
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