977  
FZUS53 KLOT 242014  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
ISSUED BY NATIONAL WEATHER SERVICE LINCOLN IL  
314 PM CDT THU APR 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>742-251100-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
314 PM CDT THU APR 24 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH  
SATURDAY EVENING...  
   
TONIGHT  
NORTH WINDS AROUND 15 KT DIMINISHING TO 5 TO 10 KT.  
MOSTLY CLOUDY. WAVES 2 TO 4 FT.    
FRIDAY  
NORTH WINDS 10 TO 15 KT INCREASING TO 15 TO 25 KT.  
CHANCE OF SHOWERS. WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT.    
FRIDAY NIGHT  
NORTH WINDS 20 TO 25 KT. CHANCE OF SHOWERS IN THE  
EVENING. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.    
SATURDAY  
NORTH WINDS 20 TO 25 KT DIMINISHING TO 15 TO 20 KT.  
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. WAVES 4 TO 7 FT  
OCCASIONALLY TO 9 FT.  
 
 
 
LMZ743>745-251100-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
314 PM CDT THU APR 24 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH  
SATURDAY EVENING...  
   
TONIGHT  
NORTH WINDS 10 TO 15 KT BECOMING NORTHWEST 5 TO 10 KT.  
MOSTLY CLOUDY. WAVES 1 TO 3 FT.    
FRIDAY  
NORTHWEST WINDS 5 TO 10 KT BECOMING NORTH AND  
INCREASING TO 10 TO 20 KT IN THE AFTERNOON. CHANCE OF SHOWERS IN  
THE MORNING, THEN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FT BUILDING TO 2 TO  
4 FT.    
FRIDAY NIGHT  
NORTH WINDS 20 TO 25 KT. CHANCE OF SHOWERS IN THE  
EVENING. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.    
SATURDAY  
NORTH WINDS 20 TO 25 KT DIMINISHING TO 15 TO 20 KT.  
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. WAVES 4 TO 7 FT  
OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.  
 
 
 
NWS LINCOLN  
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