764  
WHUS73 KLOT 161559  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
959 AM CST SUN FEB 16 2025  
 
LMZ743>745-170000-  
/O.CON.KLOT.GL.W.0004.000000T0000Z-250217T0600Z/  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
959 AM CST SUN FEB 16 2025  
   
..GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT  
 
* WHAT...NORTHWEST GALES TO 35 KT AND SIGNIFICANT WAVES TO 14 FT  
OCCASIONALLY TO 18 FT EXPECTED.  
 
* WHERE...CALUMET HARBOR IL TO MICHIGAN CITY IN.  
 
* WHEN...UNTIL MIDNIGHT CST TONIGHT.  
 
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD  
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.  
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE  
VESSEL FOR HAZARDOUS CONDITIONS.  
 
 
 
 
 
LMZ740>742-170000-  
/O.CON.KLOT.SC.Y.0020.000000T0000Z-250217T1200Z/  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
959 AM CST SUN FEB 16 2025  
   
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST MONDAY  
 
* WHAT...NORTHWEST WINDS TO 30 KT AND SIGNIFICANT WAVES TO 9 FT  
OCCASIONALLY TO 12 FT EXPECTED. OCCASIONAL GALES TO 35 KT  
POSSIBLE THROUGH MIDDAY.  
 
* WHERE...WINTHROP HARBOR TO CALUMET HARBOR IL.  
 
* WHEN...UNTIL 6 AM CST MONDAY.  
 
* 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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