205  
FZUS53 KLOT 200211  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
911 PM CDT FRI JUN 19 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>742-200915-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
911 PM CDT FRI JUN 19 2026  
   
REST OF TONIGHT  
WEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO  
15 KT LATE THIS EVENING. CHANCE OF SHOWERS THROUGH MIDNIGHT.  
WAVES 1 TO 3 FT.   
SATURDAY  
WEST WINDS 15 TO 20 KT BECOMING NORTHEAST 10 TO 15 KT  
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FT.    
SATURDAY NIGHT  
EAST WINDS 10 TO 15 KT BECOMING NORTHEAST  
AROUND 5 KT OVERNIGHT. PARTLY CLOUDY IN THE EVENING, THEN  
BECOMING MOSTLY CLOUDY. WAVES 1 FT OR LESS.    
SUNDAY  
EAST WINDS AROUND 10 KT INCREASING TO 15 TO 25 KT.  
CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES AROUND 1 FT  
BUILDING TO 2 TO 4 FT.  
 
 
 
LMZ743>745-200915-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
911 PM CDT FRI JUN 19 2026  
   
REST OF TONIGHT  
WEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO  
15 KT LATE THIS EVENING. CHANCE OF SHOWERS THROUGH MIDNIGHT.  
WAVES 1 TO 3 FT.   
SATURDAY  
WEST WINDS 15 TO 20 KT BECOMING NORTH 10 TO 15 KT IN  
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FT.    
SATURDAY NIGHT  
NORTHEAST WINDS 10 TO 15 KT BECOMING EAST  
AROUND 5 KT. PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY  
CLOUDY. WAVES AROUND 1 FT.    
SUNDAY  
SOUTHEAST WINDS 10 TO 20 KT BECOMING EAST AND  
INCREASING TO 15 TO 25 KT. CHANCE OF SHOWERS IN THE MORNING, THEN  
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. WAVES 1 FT OR LESS BUILDING TO 2 TO 4 FT.  
 
 
 
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