764  
FZUS53 KLOT 242001  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
301 PM CDT TUE JUN 24 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>742-250400-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
301 PM CDT TUE JUN 24 2025  
   
TONIGHT  
NORTHEAST WINDS AROUND 10 KT BECOMING NORTH. SHOWERS  
AND SCATTERED THUNDERSTORMS IN THE EVENING, THEN SCATTERED SHOWERS  
AFTER MIDNIGHT. WAVES 1 TO 2 FT.    
WEDNESDAY  
NORTH WINDS 5 TO 10 KT BECOMING NORTHEAST. SHOWERS  
LIKELY AND A CHANCE OF THUNDERSTORMS IN THE MORNING, THEN CHANCE  
OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FT.    
WEDNESDAY NIGHT  
NORTHEAST WINDS 5 TO 10 KT BECOMING SOUTHEAST  
OVERNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.    
THURSDAY  
SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.  
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES AROUND 1 FT.  
 
 
 
LMZ743>745-250400-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
301 PM CDT TUE JUN 24 2025  
   
TONIGHT  
NORTHEAST WINDS AROUND 10 KT BECOMING NORTH. SCATTERED  
SHOWERS AND THUNDERSTORMS. WAVES AROUND 1 FT.    
WEDNESDAY  
NORTH WINDS 5 TO 10 KT. CHANCE OF SHOWERS AND  
THUNDERSTORMS. WAVES 1 TO 2 FT.    
WEDNESDAY NIGHT  
NORTHEAST WINDS 5 TO 10 KT BECOMING SOUTHEAST  
OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
EVENING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT.  
WAVES 1 TO 2 FT.    
THURSDAY  
SOUTHWEST WINDS 5 TO 10 KT. CHANCE OF SHOWERS AND  
THUNDERSTORMS. WAVES AROUND 1 FT.  
 
 
 
KMD  
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