012  
WHUS73 KLOT 200950  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
350 AM CST MON JAN 20 2025  
 
LMZ744-745-201800-  
/O.EXP.KLOT.UP.W.0001.000000T0000Z-250120T1000Z/  
/O.CON.KLOT.SC.Y.0005.000000T0000Z-250121T0900Z/  
GARY TO BURNS HARBOR IN-BURNS HARBOR TO MICHIGAN CITY IN-  
350 AM CST MON JAN 20 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST  
TUESDAY...  
 
* WHAT...WEST WINDS TO 25 KT AND SIGNIFICANT WAVES TO 6 FT  
OCCASIONALLY TO 8 FT.  
 
* WHERE...GARY TO MICHIGAN CITY IN.  
 
* WHEN...UNTIL 3 AM CST TUESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
LMZ740>743-201800-  
/O.CON.KLOT.SC.Y.0005.000000T0000Z-250121T0900Z/  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
CALUMET HARBOR IL TO GARY IN-  
350 AM CST MON JAN 20 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST  
TUESDAY...  
 
* WHAT...WEST WINDS TO 25 KT AND SIGNIFICANT WAVES TO 4 FT.  
 
* WHERE...WINTHROP HARBOR TO CALUMET HARBOR IL, AND CALUMET  
HARBOR IL TO GARY IN.  
 
* WHEN...UNTIL 3 AM CST TUESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
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