827  
FZUS53 KLOT 302004  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
304 PM CDT THU APR 30 2026  
 
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>742-010330-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
304 PM CDT THU APR 30 2026  
   
TONIGHT  
EAST WINDS 10 TO 15 KT BECOMING NORTH LATE. SCATTERED  
SHOWERS IN THE EVENING, THEN ISOLATED SHOWERS AFTER MIDNIGHT.  
WAVES 1 TO 2 FT.    
FRIDAY  
NORTH WINDS 10 TO 15 KT BECOMING NORTHEAST IN THE  
AFTERNOON. ISOLATED SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FT.    
FRIDAY NIGHT  
NORTHEAST WINDS 5 TO 10 KT BECOMING NORTH  
OVERNIGHT. ISOLATED SHOWERS IN THE EVENING. WAVES 1 TO 3 FT.    
SATURDAY  
NORTH WINDS 5 TO 10 KT BECOMING NORTHEAST IN THE  
AFTERNOON. PARTLY CLOUDY. WAVES 1 TO 2 FT.  
 
 
 
LMZ743>745-010330-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
304 PM CDT THU APR 30 2026  
   
TONIGHT  
NORTHEAST WINDS 10 TO 15 KT BECOMING NORTH LATE.  
SCATTERED SHOWERS. WAVES 1 TO 3 FT.    
FRIDAY  
NORTH WINDS 10 TO 15 KT BECOMING NORTHEAST IN THE  
AFTERNOON. MOSTLY CLOUDY IN THE MORNING THEN CLEARING. WAVES 1 TO  
3 FT.    
FRIDAY NIGHT  
NORTH WINDS 10 TO 15 KT DIMINISHING TO AROUND  
5 KT. ISOLATED SHOWERS. WAVES 1 TO 3 FT.    
SATURDAY  
NORTH WINDS 5 TO 10 KT. PARTLY CLOUDY IN THE MORNING  
THEN CLEARING. WAVES 1 TO 2 FT.  
 
 
 
YACK  
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