731  
WHUS73 KLOT 160352  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
952 PM CST SAT FEB 15 2025  
 
LMZ743>745-161200-  
/O.CON.KLOT.SC.Y.0020.250216T0600Z-250216T1200Z/  
/O.CON.KLOT.GL.W.0004.250216T1200Z-250217T0600Z/  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
952 PM CST SAT FEB 15 2025  
   
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY  
 
...GALE WARNING REMAINS IN EFFECT FROM 6 AM SUNDAY TO MIDNIGHT  
CST SUNDAY NIGHT...  
 
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTH WINDS TO 30 KT AND  
SIGNIFICANT WAVES TO 8 FT OCCASIONALLY TO 10 FT EXPECTED. FOR  
THE GALE WARNING, NORTH TO NORTHWEST WINDS TO 40 KT AND  
SIGNIFICANT WAVES TO 14 FT OCCASIONALLY TO 18 FT EXPECTED.  
 
* WHERE...CALUMET HARBOR IL TO MICHIGAN CITY IN.  
 
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 6 AM CST SUNDAY.  
FOR THE GALE WARNING, FROM 6 AM SUNDAY TO MIDNIGHT CST SUNDAY  
NIGHT.  
 
* 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.  
 
 
 
 
 
LMZ740>742-161200-  
/O.CON.KLOT.SC.Y.0020.000000T0000Z-250217T1200Z/  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
952 PM CST SAT FEB 15 2025  
   
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST MONDAY  
 
* WHAT...NORTH TO NORTHWEST WINDS TO 30 KT AND SIGNIFICANT WAVES  
TO 11 FT OCCASIONALLY TO 14 FT. A FEW 35 KT GALES POSSIBLE LATE  
TONIGHT AND SUNDAY MORNING.  
 
* WHERE...WINTHROP HARBOR TO CALUMET HARBOR IL.  
 
* WHEN...UNTIL 6 AM CST MONDAY.  
 
* 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