673  
WHUS73 KLOT 140221  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
921 PM CDT THU MAR 13 2025  
 
LMZ740>745-141030-  
/O.CON.KLOT.SC.Y.0031.250314T1500Z-250314T2100Z/  
/O.CON.KLOT.GL.W.0007.250314T2100Z-250315T1400Z/  
/O.CON.KLOT.SR.A.0001.250315T1400Z-250315T2000Z/  
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-  
921 PM CDT THU MAR 13 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 4 PM CDT  
FRIDAY...  
...GALE WARNING REMAINS IN EFFECT FROM 4 PM FRIDAY TO 9 AM CDT  
SATURDAY...  
...STORM WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH  
SATURDAY AFTERNOON...  
 
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTHEAST TO SOUTH WINDS  
TO 30 KT EXPECTED. FOR THE GALE WARNING, SOUTHEAST TO SOUTH  
GALES TO 40 KT AND SIGNIFICANT WAVES TO 8 FT OCCASIONALLY TO  
10 FT EXPECTED. FOR THE STORM WATCH, SOUTH TO SOUTHWEST STORMS  
TO 50 KT POSSIBLE, WITH SIGNIFICANT WAVES TO 8 FT OCCASIONALLY  
TO 10 FT.  
 
* WHERE...ILLINOIS AND INDIANA NEARSHORE FROM WINTHROP HARBOR IL  
TO MICHIGAN CITY IN.  
 
* WHEN...FOR THE SMALL CRAFT ADVISORY, FROM 10 AM TO 4 PM CDT  
FRIDAY. FOR THE GALE WARNING, FROM 4 PM FRIDAY TO 9 AM CDT  
SATURDAY. FOR THE STORM WATCH, FROM SATURDAY MORNING THROUGH  
SATURDAY AFTERNOON.  
 
* IMPACTS...GALE TO STORM FORCE WINDS AND HAZARDOUS WAVES COULD  
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD PREPARE TO REMAIN IN PORT, ALTER COURSE, AND/OR  
SECURE THE VESSEL BEFORE THE ONSET OF SEVERE CONDITIONS.  
 

 
 

 
 
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