304  
WHUS73 KLOT 131419  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
919 AM CDT FRI MAR 13 2026  
 
LMZ740>745-132230-  
/O.CON.KLOT.SR.W.0001.000000T0000Z-260313T2100Z/  
/O.CON.KLOT.GL.W.0013.260313T2100Z-260314T0300Z/  
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-  
919 AM CDT FRI MAR 13 2026  
 
...STORM WARNING REMAINS IN EFFECT UNTIL 4 PM CDT THIS  
AFTERNOON...  
...GALE WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO  
10 PM CDT THIS EVENING...  
 
* WHAT...FOR THE STORM WARNING, WEST WINDS TO 50 KT AND  
SIGNIFICANT WAVES TO 11 FT OCCASIONALLY TO 14 FT OCCURRING. FOR  
THE GALE WARNING, NORTHWEST WINDS TO 45 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...FOR THE STORM WARNING, UNTIL 4 PM CDT THIS AFTERNOON.  
FOR THE GALE WARNING, FROM 4 PM THIS AFTERNOON TO 10 PM CDT  
THIS EVENING.  
 
* IMPACTS...STORM FORCE WINDS AND HAZARDOUS WAVES WILL CAPSIZE  
OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD REMAIN IN PORT, ALTER COURSE, AND/OR SECURE THE  
VESSEL FOR SEVERE CONDITIONS.  
 

 
 

 
 
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