602  
FZUS53 KLOT 221458  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
958 AM CDT SAT AUG 22 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.  
 
LMZ740-222115-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
958 AM CDT SAT AUG 22 2026  
   
REST OF TODAY
 
NORTHWINDS 15 TO 20 KT. SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO 4 FT SUBSIDING TO  
1 TO 3 FT.    
TONIGHT
 
NORTH WINDS 15 TO 20 KT BECOMING NORTHWEST 10 TO 15  
KT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.  
WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.    
SUNDAY
 
NORTHWEST WINDS 10 TO 20 KT. SUNNY IN THE MORNING, THEN  
BECOMING PARTLY CLOUDY. WAVES 2 TO 4 FT.    
SUNDAY NIGHT
 
NORTH WINDS 10 TO 15 KT BECOMING NORTHWEST 5 TO 10  
KT OVERNIGHT. MOSTLY CLEAR. WAVES 2 TO 4 FT.  
 

 
 
LMZ741>743-222115-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
CALUMET HARBOR IL TO GARY IN-  
958 AM CDT SAT AUG 22 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  
SUNDAY EVENING...  
   
REST OF TODAY
 
NORTHWEST WINDS 15 TO 20 KT BECOMING NORTH.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES  
2 TO 4 FT.    
TONIGHT
 
NORTH WINDS 10 TO 20 KT. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. WAVES 2 TO 4 FT BUILDING TO 3 TO 6  
FT OCCASIONALLY TO 8 FT LATE.   
SUNDAY
 
NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH. SUNNY IN  
THE MORNING, THEN BECOMING PARTLY CLOUDY. WAVES 3 TO 6 FT  
OCCASIONALLY TO 8 FT.   
SUNDAY NIGHT
 
NORTH WINDS 10 TO 15 KT BECOMING NORTHWEST 5 TO 10  
KT OVERNIGHT. PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY  
CLEAR. WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4 FT.  
 

 
 
LMZ744-745-222115-  
GARY TO BURNS HARBOR IN-BURNS HARBOR TO MICHIGAN CITY IN-  
958 AM CDT SAT AUG 22 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
 
 
   
REST OF TODAY
 
NORTHWEST WINDS AROUND 20 KT BECOMING NORTH.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 3 TO 5 FT.    
TONIGHT
 
NORTH WINDS 10 TO 20 KT. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF SHOWERS  
OVERNIGHT. WAVES 3 TO 6 FT OCCASIONALLY TO 8 FT.    
SUNDAY
 
NORTHWEST WINDS 15 TO 20 KT BECOMING NORTH. MOSTLY  
SUNNY. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.    
SUNDAY NIGHT
 
NORTH WINDS 10 TO 15 KT BECOMING NORTHWEST 5 TO 10  
KT OVERNIGHT. PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY  
CLEAR. WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4 FT.  
 

 
DOOM  
 
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