856  
FZUS53 KLOT 260856  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
356 AM CDT THU JUN 26 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.  
 
LMZ740-261515-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
356 AM CDT THU JUN 26 2025  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING  
 
   
TODAY  
SOUTHWEST WINDS AROUND 10 KT BECOMING SOUTHEAST IN THE  
AFTERNOON. AREAS OF DENSE FOG EARLY IN THE MORNING. SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN SCATTERED  
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES AROUND 1 FT.    
TONIGHT  
SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST OVERNIGHT.  
SHOWERS LIKELY AND SCATTERED THUNDERSTORMS. WAVES 1 TO 2 FT.    
FRIDAY  
SOUTHWEST WINDS 10 TO 15 KT BECOMING WEST IN THE  
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
MORNING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. WAVES 1 TO 2 FT.    
FRIDAY NIGHT  
NORTH WINDS 5 TO 10 KT. CHANCE OF SHOWERS IN THE  
EVENING. WAVES AROUND 1 FT.  
 
 
 
LMZ741-742-261515-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
356 AM CDT THU JUN 26 2025  
   
TODAY  
SOUTHWEST WINDS AROUND 10 KT BECOMING SOUTHEAST LATE.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN  
SCATTERED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES  
AROUND 1 FT.    
TONIGHT  
SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST OVERNIGHT.  
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES AROUND 1 FT.   
FRIDAY  
SOUTHWEST WINDS 10 TO 15 KT BECOMING WEST IN THE  
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
MORNING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. WAVES AROUND 1 FT.    
FRIDAY NIGHT  
NORTH WINDS 5 TO 10 KT. CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE  
OF SHOWERS OVERNIGHT. WAVES AROUND 1 FT.  
 
 
 
LMZ743>745-261515-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
356 AM CDT THU JUN 26 2025  
   
TODAY  
SOUTHWEST WINDS 10 TO 15 KT BECOMING EAST IN THE  
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
MORNING, THEN SCATTERED SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. WAVES AROUND 1 FT.   
TONIGHT  
SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND  
THUNDERSTORMS. WAVES AROUND 1 FT.    
FRIDAY  
SOUTHWEST WINDS 10 TO 15 KT BECOMING WEST IN THE  
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
MORNING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. WAVES 1 TO 2 FT.    
FRIDAY NIGHT  
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH 5 TO  
10 KT OVERNIGHT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF SHOWERS  
OVERNIGHT. WAVES 1 TO 2 FT.  
 
 
 
PETR  
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