753  
FZUS53 KLOT 270309  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1009 PM CDT WED MAR 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>742-270930-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
1009 PM CDT WED MAR 26 2025  
   
REST OF TONIGHT  
SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST  
LATE. MOSTLY CLOUDY. WAVES 1 TO 2 FT.    
THURSDAY  
SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH IN THE  
AFTERNOON. CHANCE OF SHOWERS IN THE MORNING, THEN SLIGHT CHANCE  
OF SHOWERS IN THE AFTERNOON. WAVES AROUND 1 FT.    
THURSDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KT. SHOWERS LIKELY AND  
SLIGHT CHANCE OF THUNDERSTORMS OVERNIGHT. WAVES 1 TO 2 FT.    
FRIDAY  
SOUTH WINDS 15 TO 20 KT BECOMING SOUTHWEST AND  
INCREASING TO 30 KT IN THE AFTERNOON. CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. WAVES 1 TO 3 FT  
BUILDING TO 2 TO 4 FT. A SMALL CRAFT ADVISORY WILL LIKELY BE  
NEEDED.  
 
 
 
LMZ743>745-270930-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
1009 PM CDT WED MAR 26 2025  
   
REST OF TONIGHT  
SOUTH WINDS 5 TO 10 KT BECOMING SOUTHWEST  
10 TO 15 KT LATE. MOSTLY CLOUDY. WAVES AROUND 1 FT.    
THURSDAY  
SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH IN THE  
AFTERNOON. CHANCE OF SHOWERS. WAVES AROUND 1 FT.    
THURSDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KT. SHOWERS LIKELY AND  
SLIGHT CHANCE OF THUNDERSTORMS OVERNIGHT. WAVES 1 TO 2 FT.    
FRIDAY  
SOUTH WINDS 15 TO 20 KT BECOMING SOUTHWEST AND  
INCREASING TO 30 KT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE MORNING. WAVES 1 TO 2 FT BUILDING TO 2 TO  
4 FT. A SMALL CRAFT ADVISORY WILL LIKELY BE NEEDED.  
 
 
 
CARLAW  
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