929  
WHUS73 KLOT 170824  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
324 AM CDT SAT OCT 17 2026  
 
LMZ740>742-171500-  
/O.CON.KLOT.SC.Y.0090.000000T0000Z-261017T1500Z/  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
324 AM CDT SAT OCT 17 2026  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS  
MORNING...  
 
* WHAT...WINDS TO 25 KT AND SIGNIFICANT WAVES TO 9 FT  
OCCASIONALLY TO 12 FT.  
 
* WHERE...WINTHROP HARBOR TO CALUMET HARBOR IL.  
 
* WHEN...UNTIL 10 AM CDT THIS MORNING.  
 
* 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>745-171630-  
/O.CON.KLOT.SC.Y.0090.000000T0000Z-261017T2000Z/  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
324 AM CDT SAT OCT 17 2026  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CDT THIS  
AFTERNOON...  
 
* WHAT...WINDS TO 25 KT AND SIGNIFICANT WAVES TO 12 FT  
OCCASIONALLY TO 16 FT.  
 
* WHERE...CALUMET HARBOR IL TO MICHIGAN CITY IN.  
 
* WHEN...UNTIL 3 PM CDT THIS AFTERNOON.  
 
* 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