270  
WHUS73 KLOT 241941  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
241 PM CDT TUE APR 24 2018  
 
LMZ740>742-250345-  
/O.CON.KLOT.SC.Y.0043.180425T0300Z-180426T0300Z/  
WINTHROP HARBOR TO WILMETTE HARBOR-  
WILMETTE HARBOR TO NORTHERLY ISLAND-  
NORTHERLY ISLAND TO CALUMET HARBOR-  
241 PM CDT TUE APR 24 2018  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING  
TO 10 PM CDT WEDNESDAY...  
 
* WINDS...NORTH TO 30 KT TONIGHT, THEN TO 25 KT WEDNESDAY.  
 
* SIGNIFICANT WAVES...TO 9 FT.  
 
* OCCASIONAL WAVES...TO 12 FT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS  
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.  
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER  
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
LMZ743>745-250345-  
/O.CON.KLOT.SC.Y.0043.180425T0600Z-180426T0600Z/  
CALUMET HARBOR TO GARY-GARY TO BURNS HARBOR-  
BURNS HARBOR TO MICHIGAN CITY-  
241 PM CDT TUE APR 24 2018  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM WEDNESDAY TO  
1 AM CDT THURSDAY...  
 
* WINDS...NORTH TO 30 KT TONIGHT, THEN TO 25 KT WEDNESDAY.  
 
* SIGNIFICANT WAVES...TO 9 FT.  
 
* OCCASIONAL WAVES...TO 12 FT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS  
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.  
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER  
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.  
 

 
 

 
 
KMD  
 
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