494  
FZUS73 KLOT 301933  
MWSLOT  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE  
233 PM CDT SUN MAR 30 2025  
 
LMZ740>745-777-779-302100-  
/O.CON.KLOT.MA.W.0006.000000T0000Z-250330T2100Z/  
233 PM CDT SUN MAR 30 2025  
   
..A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 400 PM CDT
 
 
FOR THE FOLLOWING AREAS...  
 
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...  
 
AT 233 PM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM NEAR MONTROSE HARBOR TO 6 NM SOUTH OF MIDWAY AIRPORT  
TO 20 NM SOUTHEAST OF JOLIET, MOVING NORTHEAST AT 40 KNOTS.  
 
HAZARD...WIND GUSTS IN EXCESS OF 50 KNOTS AND SMALL HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...BOATS COULD SUFFER SIGNIFICANT STRUCTURAL DAMAGE IN HIGH  
WINDS. SMALL CRAFT COULD CAPSIZE IN 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  
59TH STREET MARINA.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM CDT FOR NORTHEASTERN  
ILLINOIS...NORTHWESTERN INDIANA...AND THE ADJACENT WATERS OF LAKE  
MICHIGAN.  
 

 
 
LAT...LON 4162 8733 4164 8743 4168 8743 4167 8747  
4170 8751 4183 8760 4189 8762 4189 8760  
4190 8762 4206 8767 4227 8783 4248 8780  
4246 8702 4213 8696 4179 8697 4179 8696  
4172 8691 4163 8716 4162 8732 4161 8732  
TIME...MOT...LOC 1933Z 236DEG 41KT 4200 8772 4167 8774 4135 8773  
 
HAIL...<.75IN  
WIND...50KTS  
 

 
 
BORCHARDT  
 
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