495  
FZUS53 KLOT 300819  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
319 AM CDT SAT MAY 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>742-302145-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
319 AM CDT SAT MAY 30 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT THIS MORNING  
THROUGH THIS EVENING...  
   
EARLY THIS MORNING
 
NORTHEAST WINDS 10 TO 15 KT. PARTLY CLOUDY.  
WAVES 1 TO 2 FT.    
TODAY
 
EAST WINDS 15 TO 25 KT BECOMING NORTHEAST LATE. PARTLY  
CLOUDY. WAVES 2 TO 4 FT BUILDING TO 3 TO 6 FT OCCASIONALLY TO 8  
FT EARLY.    
TONIGHT
 
NORTHEAST WINDS 15 TO 20 KT BECOMING SOUTHEAST 10 TO  
15 KT OVERNIGHT. PARTLY CLOUDY. WAVES 3 TO 6 FT OCCASIONALLY TO 8  
FT SUBSIDING TO 2 TO 4 FT EARLY.    
SUNDAY
 
SOUTHEAST WINDS 10 TO 15 KT BECOMING NORTHEAST IN THE  
AFTERNOON. MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. WAVES 1 TO 3 FT.    
SUNDAY NIGHT
 
NORTHEAST WINDS AROUND 10 KT BECOMING AROUND  
5 KT. MOSTLY CLOUDY. WAVES 1 TO 2 FT.  
 

 
 
LMZ743>745-302145-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
319 AM CDT SAT MAY 30 2026  
   
EARLY THIS MORNING
 
NORTHEAST WINDS 10 TO 15 KT. PARTLY CLOUDY.  
WAVES 1 TO 2 FT.    
TODAY
 
EAST WINDS 10 TO 20 KT BECOMING NORTHEAST LATE. PARTLY  
CLOUDY. WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.    
TONIGHT
 
NORTHEAST WINDS 15 TO 20 KT BECOMING SOUTHEAST LATE.  
PARTLY CLOUDY. WAVES 2 TO 4 FT.    
SUNDAY
 
EAST WINDS 10 TO 15 KT BECOMING NORTHEAST IN THE  
AFTERNOON. MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. WAVES 1 TO 3 FT.    
SUNDAY NIGHT
 
NORTHEAST WINDS AROUND 10 KT BECOMING AROUND  
5 KT. PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY CLOUDY.  
WAVES 1 TO 2 FT.  
 

 
 
DOOM  
 
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