111  
FZUS53 KLOT 130301  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1001 PM CDT MON MAY 12 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>742-130930-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
1001 PM CDT MON MAY 12 2025  
   
REST OF TONIGHT
 
NORTHWEST WINDS AROUND 5 KT BECOMING SOUTHEAST  
AROUND 10 KT OVERNIGHT. SCATTERED SHOWERS. PATCHY FOG AFTER  
MIDNIGHT. WAVES 1 TO 2 FT.    
TUESDAY
 
EAST WINDS 5 TO 10 KT BECOMING NORTHEAST IN THE  
AFTERNOON. AREAS OF FOG. SLIGHT CHANCE OF SHOWERS IN THE MORNING,  
THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
WAVES 1 TO 2 FT.    
TUESDAY NIGHT
 
NORTHEAST WINDS 5 TO 10 KT BECOMING NORTH  
OVERNIGHT. PATCHY FOG IN THE EVENING. SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE EVENING. WAVES AROUND 1 FT.    
WEDNESDAY
 
EAST WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS IN  
THE MORNING, THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. WAVES AROUND 1 FT.  
 

 
 
LMZ743>745-130930-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
1001 PM CDT MON MAY 12 2025  
   
REST OF TONIGHT
 
EAST WINDS 10 TO 15 KT BECOMING SOUTHEAST.  
SCATTERED SHOWERS LATE IN THE EVENING, THEN ISOLATED SHOWERS  
AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES AROUND 1 FT.    
TUESDAY
 
EAST WINDS 5 TO 10 KT BECOMING NORTHEAST IN THE  
AFTERNOON. PATCHY FOG. SLIGHT CHANCE OF SHOWERS IN THE MORNING,  
THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. WAVES AROUND 1 FT.    
TUESDAY NIGHT
 
NORTHEAST WINDS 5 TO 10 KT. PATCHY FOG IN THE  
EVENING. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING. WAVES AROUND 1 FT.    
WEDNESDAY
 
EAST WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS IN  
THE MORNING, THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FT OR LESS.  
 

 
 
CARLAW  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page