459  
FZUS53 KLOT 030231  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
931 PM CDT SUN AUG 2 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>742-030945-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
931 PM CDT SUN AUG 2 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM CDT MONDAY  
 
   
REST OF TONIGHT  
NORTH WINDS 15 TO 20 KT BECOMING NORTHEAST AND  
DIMINISHING TO AROUND 10 KT. MOSTLY CLEAR LATE IN THE EVENING,  
THEN BECOMING PARTLY CLOUDY. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT  
SUBSIDING TO 2 TO 4 FT LATE TONIGHT.    
MONDAY  
NORTHEAST WINDS AROUND 10 KT. MOSTLY SUNNY. WAVES 2 TO  
4 FT SUBSIDING TO 1 TO 2 FT.    
MONDAY NIGHT  
EAST WINDS AROUND 10 KT BECOMING SOUTH OVERNIGHT.  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY CLOUDY. WAVES  
1 TO 2 FT.    
TUESDAY  
SOUTH WINDS AROUND 10 KT. PARTLY CLOUDY IN THE  
MORNING, THEN BECOMING MOSTLY SUNNY. WAVES 1 TO 2 FT.  
 
 
 
LMZ743>745-030945-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
931 PM CDT SUN AUG 2 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM CDT MONDAY  
 
   
REST OF TONIGHT  
NORTH WINDS 10 TO 20 KT BECOMING EAST AND  
DIMINISHING TO AROUND 10 KT LATE. PATCHY FOG AFTER MIDNIGHT.  
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO 5 FT  
LATE TONIGHT.   
MONDAY  
NORTHEAST WINDS AROUND 10 KT BECOMING NORTH IN THE  
AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 3 TO 5 FT SUBSIDING  
TO 1 TO 2 FT.    
MONDAY NIGHT  
EAST WINDS AROUND 10 KT BECOMING SOUTH OVERNIGHT.  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY CLOUDY. WAVES  
1 TO 2 FT.    
TUESDAY  
SOUTH WINDS AROUND 10 KT. MOSTLY SUNNY. WAVES 1 FT OR  
LESS.  
 
 
 
OGOREK  
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