070  
FZUS53 KLOT 261203  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
703 AM CDT THU JUN 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>742-261800-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
703 AM CDT THU JUN 26 2025  
   
TODAY
 
SOUTHWEST WINDS AROUND 10 KT BECOMING SOUTHEAST IN THE  
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
MORNING, THEN SCATTERED SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. WAVES AROUND 1 FT.    
TONIGHT
 
SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST OVERNIGHT.  
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.    
FRIDAY
 
SOUTHWEST WINDS 10 TO 15 KT BECOMING WEST IN THE  
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
MORNING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. WAVES 1 TO 2 FT.    
FRIDAY NIGHT
 
NORTH WINDS 5 TO 10 KT. CHANCE OF SHOWERS IN THE  
EVENING. WAVES AROUND 1 FT.  
 

 
 
LMZ743>745-261800-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
703 AM CDT THU JUN 26 2025  
   
TODAY
 
SOUTHWEST WINDS 10 TO 15 KT BECOMING EAST IN THE  
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
MORNING, THEN SCATTERED SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. WAVES AROUND 1 FT.   
TONIGHT
 
SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND  
THUNDERSTORMS. WAVES AROUND 1 FT.    
FRIDAY
 
SOUTHWEST WINDS 10 TO 15 KT BECOMING WEST IN THE  
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
MORNING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. WAVES 1 TO 2 FT.    
FRIDAY NIGHT
 
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH 5 TO  
10 KT OVERNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO  
2 FT.  
 

 
DK  
 
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