795  
WHUS53 KLOT 121932  
SMWLOT  
LMZ741>745-777-779-122130-  
/O.NEW.KLOT.MA.W.0033.250812T1932Z-250812T2130Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE  
232 PM CDT TUE AUG 12 2025  
 
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 WINTHROP HARBOR TO MICHIGAN CITY OUT TO MID  
LAKE...  
 
* UNTIL 430 PM CDT.  
 
* AT 231 PM CDT, SCATTERED STRONG THUNDERSTORMS WERE LOCATED ACROSS  
SOUTHWEST LAKE MICHIGAN, MOVING NORTHEAST AT 25 KNOTS. ADDITIONAL  
STRONG THUNDERSTORMS OVER NORTHEAST ILLINOIS AND FAR NORTHWEST  
INDIANA WILL MOVE OVER SOUTHWEST LAKE MICHIGAN.  
 
HAZARD...WIND GUSTS TO 40 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, BURNHAM HARBOR, HAMMOND MARINA, WILMETTE  
HARBOR, JACKSON PARK HARBOR, 31ST STREET HARBOR, MONROE HARBOR,  
BURNS HARBOR, BELMONT HARBOR, CALUMET HARBOR, MARINA SHORES AT DUNE  
HARBOR, AND INDIANA HARBOR.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE  
EXPECTED.  
 
 
 
LAT...LON 4162 8733 4164 8743 4168 8743 4167 8747  
4171 8753 4175 8753 4185 8761 4189 8762  
4189 8760 4190 8762 4208 8768 4246 8702  
4213 8696 4179 8697 4179 8696 4172 8691  
4163 8716 4162 8732 4161 8733  
TIME...MOT...LOC 1929Z 241DEG 24KT 4169 8762  
 
HAIL...<.75IN  
WIND...40KTS  
 
 
 
KLUBER  
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