010  
WHUS53 KLOT 080143  
SMWLOT  
LMZ740>745-777-779-080315-  
/O.NEW.KLOT.MA.W.0020.240508T0143Z-240508T0315Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE  
843 PM CDT TUE MAY 7 2024  
 
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
 
NEARSHORE WATERS FROM WINTHROP HARBOR TO CALUMET HARBOR...  
NEARSHORE WATERS FROM CALUMET HARBOR TO MICHIGAN CITY...  
OPEN WATERS FROM WINTHROP HARBOR TO MICHIGAN CITY OUT TO MID  
LAKE...  
 
* UNTIL 1015 PM CDT.  
 
* AT 843 PM CDT, STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM NEAR OHARE AIRPORT TO 12 NM SOUTHWEST OF MIDWAY  
AIRPORT TO NEAR JOLIET, MOVING EAST AT 50 KNOTS.  
 
HAZARD...WIND GUSTS TO NEARLY 50 KNOTS AND SMALL HAIL.  
 
SOURCE...RADAR.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
HARRISON-DEVER CRIB, WILMETTE HARBOR, 31ST STREET HARBOR, MONROE  
HARBOR, BURNS HARBOR, CALUMET HARBOR, INDIANA HARBOR, MONTROSE  
HARBOR, BURNHAM HARBOR, HAMMOND MARINA, JACKSON PARK HARBOR, AND  
BELMONT HARBOR.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE  
EXPECTED.  
 

 
 
LAT...LON 4164 8742 4168 8742 4167 8747 4171 8753  
4175 8753 4177 8756 4185 8761 4188 8762  
4189 8760 4190 8762 4206 8767 4219 8779  
4236 8700 4213 8696 4179 8697 4172 8691  
4165 8711 4165 8714 4163 8716 4161 8733  
TIME...MOT...LOC 0143Z 255DEG 50KT 4196 8794 4168 8800 4145 8815  
 
HAIL...<.75IN  
WIND...49KTS  
 

 
 
YACK  
 
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