909  
WHUS53 KLOT 190505  
SMWLOT  
LMZ742>745-779-190700-  
/O.NEW.KLOT.MA.W.0044.250819T0505Z-250819T0700Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE  
1205 AM CDT TUE AUG 19 2025  
 
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
 
NEARSHORE WATERS FROM NORTHERLY ISLAND TO CALUMET HARBOR...  
NEARSHORE WATERS FROM CALUMET HARBOR TO MICHIGAN CITY...  
OPEN WATERS FROM WILMETTE HARBOR TO MICHIGAN CITY OUT TO MID  
LAKE...  
 
* UNTIL 200 AM CDT.  
 
* AT 1205 AM CDT, STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 10 NM SOUTHWEST OF MIDWAY AIRPORT TO 10 NM EAST OF  
JOLIET, MOVING NORTHEAST AT 25 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...  
CALUMET HARBOR, MARINA SHORES AT DUNE HARBOR, 59TH STREET MARINA,  
HAMMOND MARINA, INDIANA HARBOR, JACKSON PARK HARBOR, 31ST STREET  
HARBOR, AND BURNS HARBOR.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.  
 

 
 
LAT...LON 4162 8733 4164 8743 4168 8743 4167 8747  
4170 8751 4175 8753 4178 8758 4179 8758  
4184 8760 4209 8697 4179 8697 4179 8696  
4172 8691 4166 8709 4165 8714 4163 8716  
4162 8732 4161 8732  
TIME...MOT...LOC 0505Z 245DEG 26KT 4165 8789 4151 8789  
 
HAIL...0.00IN  
WIND...40KTS  
 

 
 
IZZI  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page