971  
WHUS73 KLOT 201612  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
1012 AM CST WED NOV 20 2024  
 
LMZ743>745-210015-  
/O.CON.KLOT.SC.Y.0093.000000T0000Z-241121T1600Z/  
/O.CON.KLOT.GL.A.0011.241121T1600Z-241122T0600Z/  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
1012 AM CST WED NOV 20 2024  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST  
THURSDAY...  
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH  
THURSDAY EVENING...  
 
* WHAT...FOR THE SMALL CRAFT ADVISORY, WEST WINDS TO 30 KT AND  
SIGNIFICANT WAVES TO 9 FT OCCASIONALLY TO 12 FT. FOR THE GALE  
WATCH, NORTHWEST WINDS TO 40 KT AND SIGNIFICANT WAVES TO 14 FT  
OCCASIONALLY TO 18 FT POSSIBLE.  
 
* WHERE...CALUMET HARBOR, IL TO MICHIGAN CITY, IN.  
 
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 10 AM CST THURSDAY.  
FOR THE GALE WATCH, FROM THURSDAY MORNING THROUGH THURSDAY  
EVENING.  
 
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS WAVES WHICH COULD  
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE  
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER  
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND WAVES.  
 

 
 

 
 
LMZ740>742-210015-  
/O.CON.KLOT.SC.Y.0093.241120T1800Z-241121T1300Z/  
/O.CON.KLOT.GL.A.0011.241121T1300Z-241122T0600Z/  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
1012 AM CST WED NOV 20 2024  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CST  
THURSDAY...  
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH  
THURSDAY EVENING...  
 
* WHAT...FOR THE SMALL CRAFT ADVISORY, WEST WINDS TO 30 KT AND  
SIGNIFICANT WAVES TO 5 FT EXPECTED. FOR THE GALE WATCH,  
NORTHWEST WINDS TO 40 KT AND SIGNIFICANT WAVES TO 11 FT  
OCCASIONALLY TO 14 FT POSSIBLE.  
 
* WHERE...WINTHROP HARBOR TO CALUMET HARBOR, IL.  
 
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 7 AM CST THURSDAY.  
FOR THE GALE WATCH, FROM THURSDAY MORNING THROUGH THURSDAY  
EVENING.  
 
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS WAVES WHICH COULD  
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE  
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER  
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND WAVES.  
 

 
 

 
 
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