364  
WHUS73 KLOT 141427  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
ISSUED BY NATIONAL WEATHER SERVICE NORTHERN INDIANA  
927 AM CDT MON SEP 14 2026  
 
LMZ740>742-142230-  
/O.CON.KLOT.SC.Y.0080.260914T2200Z-260915T1400Z/  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
927 AM CDT MON SEP 14 2026  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS  
AFTERNOON TO 9 AM CDT TUESDAY...  
 
* WHAT...SOUTH WINDS TO 30 KT AND SIGNIFICANT WAVES TO 9 FT  
OCCASIONALLY TO 12 FT EXPECTED.  
 
* WHERE...WINTHROP HARBOR TO CALUMET HARBOR IL.  
 
* WHEN...FROM 5 PM THIS AFTERNOON TO 9 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.  
 

 
 

 
 
LMZ743>745-142230-  
/O.CON.KLOT.SC.Y.0080.260915T0000Z-260915T1200Z/  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
927 AM CDT MON SEP 14 2026  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING  
TO 7 AM CDT TUESDAY...  
 
* WHAT...SOUTH WINDS TO 30 KT AND SIGNIFICANT WAVES TO 4 FT  
EXPECTED.  
 
* WHERE...CALUMET HARBOR IL TO MICHIGAN CITY IN.  
 
* WHEN...FROM 7 PM THIS EVENING TO 7 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.  
 

 
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page