705  
FZUS53 KLOT 311929  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
229 PM CDT FRI OCT 31 2025  
 
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>743-010315-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
CALUMET HARBOR IL TO GARY IN-  
229 PM CDT FRI OCT 31 2025  
   
TONIGHT
 
WEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS.  
WAVES 1 TO 2 FT.    
SATURDAY
 
WEST WINDS 10 TO 15 KT BECOMING NORTHWEST. SLIGHT  
CHANCE OF WATERSPOUTS. CHANCE OF SHOWERS. WAVES 1 TO 3 FT.    
SATURDAY NIGHT
 
NORTHWEST WINDS AROUND 10 KT BECOMING NORTH.  
CHANCE OF SHOWERS IN THE EVENING. WAVES 1 TO 3 FT.    
SUNDAY
 
WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST IN THE  
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FT.  
 

 
 
LMZ744-745-010315-  
GARY TO BURNS HARBOR IN-BURNS HARBOR TO MICHIGAN CITY IN-  
229 PM CDT FRI OCT 31 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON
 
 
   
TONIGHT
 
WEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS.  
WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.    
SATURDAY
 
WEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF WATERSPOUTS.  
SLIGHT CHANCE OF SHOWERS. WAVES 1 TO 3 FT.    
SATURDAY NIGHT
 
NORTHWEST WINDS AROUND 10 KT BECOMING SOUTHWEST  
OVERNIGHT. CHANCE OF SHOWERS IN THE EVENING, THEN SLIGHT CHANCE  
OF SHOWERS OVERNIGHT. WAVES 1 TO 2 FT.    
SUNDAY
 
SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST. MOSTLY  
SUNNY. WAVES 1 TO 2 FT.  
 

 
 
NWS CHICAGO  
 
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