031  
WHUS53 KLOT 160248  
SMWLOT  
LMZ741>745-779-160445-  
/O.NEW.KLOT.MA.W.0026.260416T0248Z-260416T0445Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE  
948 PM CDT WED APR 15 2026  
 
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
 
NEARSHORE WATERS FROM WILMETTE HARBOR TO CALUMET HARBOR...  
NEARSHORE WATERS FROM CALUMET HARBOR TO MICHIGAN CITY...  
OPEN WATERS FROM WILMETTE HARBOR TO MICHIGAN CITY OUT TO MID  
LAKE...  
 
* UNTIL 1145 PM CDT.  
 
* AT 947 PM CDT, STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 7 NM NORTHEAST OF ELGIN TO 8 NM WEST OF AURORA,  
MOVING EAST AT 40 KNOTS.  
 
HAZARD...WIND GUSTS TO 40 KNOTS.  
 
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 UNTIL HAZARDOUS WEATHER PASSES.  
 

 
 
LAT...LON 4162 8733 4164 8743 4168 8743 4167 8744  
4169 8750 4183 8760 4189 8762 4189 8760  
4190 8762 4208 8768 4211 8760 4212 8696  
4179 8697 4179 8696 4172 8691 4163 8716  
4162 8732 4161 8732  
TIME...MOT...LOC 0247Z 273DEG 39KT 4213 8819 4175 8849  
 
HAIL...0.00IN  
WIND...40KTS  
 

 
 
RATZER  
 
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