719  
WHUS73 KLOT 310234  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
934 PM CDT SUN MAR 30 2025  
 
LMZ740>745-311045-  
/O.CON.KLOT.SC.Y.0040.000000T0000Z-250401T0900Z/  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
934 PM CDT SUN MAR 30 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT  
TUESDAY...  
 
* WHAT...WEST WINDS TO 25 KT SHIFTING TO NORTHWEST OVERNIGHT AND  
SIGNIFICANT WAVES TO 8 FT OCCASIONALLY TO 10 FT EXPECTED.  
 
* WHERE...ILLINOIS AND INDIANA NEARSHORE FROM WINTHROP HARBOR IL  
TO MICHIGAN CITY IN.  
 
* WHEN...UNTIL 4 AM CDT 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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