670  
WHUS73 KLOT 260110  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
810 PM CDT WED MAR 25 2026  
 
LMZ740>745-261030-  
/O.EXP.KLOT.SC.Y.0034.000000T0000Z-260326T0100Z/  
/O.CON.KLOT.GL.W.0016.260326T2100Z-260327T1200Z/  
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-  
810 PM CDT WED MAR 25 2026  
 
...GALE WARNING REMAINS IN EFFECT FROM 4 PM THURSDAY TO 7 AM CDT  
FRIDAY...   
..SMALL CRAFT ADVISORY HAS EXPIRED
 
 
* WHAT...NORTH GALES TO 35 KT AND SIGNIFICANT WAVES TO 11 FT  
OCCASIONALLY TO 14 FT EXPECTED.  
 
* WHERE...ILLINOIS AND INDIANA NEARSHORE FROM WINTHROP HARBOR, IL  
TO MICHIGAN CITY, IN.  
 
* WHEN...FROM 4 PM THURSDAY TO 7 AM CDT FRIDAY.  
 
* 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.  
 

 
 

 
 
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