489  
WHUS73 KLOT 151219  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
619 AM CST SUN DEC 15 2024  
 
LMZ740>742-152030-  
/O.NEW.KLOT.MF.Y.0013.241215T1219Z-241215T2100Z/  
/O.CON.KLOT.SC.Y.0104.000000T0000Z-241215T1500Z/  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
619 AM CST SUN DEC 15 2024  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS  
MORNING...  
 
* WHAT...FOR THE DENSE FOG ADVISORY, DENSE FOG WILL REDUCE  
VISIBILITY TO LESS THAN 1 NM. FOR THE SMALL CRAFT ADVISORY,  
SIGNIFICANT WAVES TO 6 FT OCCASIONALLY TO 8 FT.  
 
* WHERE...WINTHROP HARBOR TO CALUMET HARBOR IL.  
 
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 3 PM CST THIS  
AFTERNOON. FOR THE SMALL CRAFT ADVISORY, UNTIL 9 AM CST THIS  
MORNING.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT. LOW  
VISIBILITY WILL MAKE NAVIGATION DIFFICULT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
IF YOU MUST NAVIGATE, PROCEED WITH CAUTION. USE PROPER FOG  
SIGNALS. MAKE SURE ALL RUNNING LIGHTS ARE ON. REMEMBER TO USE  
YOUR RADAR AND COMPASS.  
 
 
 
 
 
LMZ743>745-152030-  
/O.NEW.KLOT.MF.Y.0013.241215T1219Z-241215T2100Z/  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
619 AM CST SUN DEC 15 2024  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON  
 
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO LESS THAN 1 NM.  
 
* WHERE...CALUMET HARBOR IL TO MICHIGAN CITY IN.  
 
* WHEN...UNTIL 3 PM CST THIS AFTERNOON.  
 
* IMPACTS...LOW VISIBILITY WILL MAKE NAVIGATION DIFFICULT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF YOU MUST NAVIGATE, PROCEED WITH CAUTION. USE PROPER FOG  
SIGNALS. MAKE SURE ALL RUNNING LIGHTS ARE ON. REMEMBER TO USE  
YOUR RADAR AND COMPASS.  
 
 
 
 
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