955  
WHUS73 KLOT 161546  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
946 AM CST MON DEC 16 2024  
 
LMZ740>743-170000-  
/O.CON.KLOT.MF.Y.0014.000000T0000Z-241216T1800Z/  
/O.CON.KLOT.SC.Y.0105.241216T2000Z-241217T0900Z/  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
CALUMET HARBOR IL TO GARY IN-  
946 AM CST MON DEC 16 2024  
   
..DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY
 
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS  
AFTERNOON TO 3 AM CST TUESDAY...  
 
* WHAT...FOR THE DENSE FOG ADVISORY, DENSE FOG WILL REDUCE  
VISIBILITY TO 1 NM OR LESS. FOR THE SMALL CRAFT ADVISORY, WEST  
WINDS TO 25 KT AND SIGNIFICANT WAVES TO 4 FT EXPECTED.  
 
* WHERE...WINTHROP HARBOR TO CALUMET HARBOR IL, AND CALUMET  
HARBOR IL TO GARY IN.  
 
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL NOON CST TODAY. FOR  
THE SMALL CRAFT ADVISORY, FROM 2 PM THIS AFTERNOON TO 3 AM CST  
TUESDAY.  
 
* 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.  
 

 
 

 
 
LMZ744-745-170000-  
/O.CON.KLOT.MF.Y.0014.000000T0000Z-241216T1800Z/  
/O.CON.KLOT.SC.Y.0105.241216T2000Z-241217T1500Z/  
GARY TO BURNS HARBOR IN-BURNS HARBOR TO MICHIGAN CITY IN-  
946 AM CST MON DEC 16 2024  
   
..DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY
 
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS  
AFTERNOON TO 9 AM CST TUESDAY...  
 
* WHAT...FOR THE DENSE FOG ADVISORY, DENSE FOG WILL REDUCE  
VISIBILITY TO 1 NM. FOR THE SMALL CRAFT ADVISORY, WEST WINDS TO  
30 KT AND SIGNIFICANT WAVES TO 6 FT OCCASIONALLY TO 8 FT  
EXPECTED.  
 
* WHERE...GARY TO MICHIGAN CITY IN.  
 
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL NOON CST TODAY. FOR  
THE SMALL CRAFT ADVISORY, FROM 2 PM THIS AFTERNOON TO 9 AM CST  
TUESDAY.  
 
* 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.  
 

 
 

 
 
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