529  
FZUS73 KLOT 162120  
MWSLOT  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE  
420 PM CDT WED JUL 16 2025  
 
LMZ740-741-162129-  
/O.CAN.KLOT.MA.W.0025.000000T0000Z-250716T2145Z/  
420 PM CDT WED JUL 16 2025  
   
..THE SPECIAL MARINE WARNING IS CANCELLED  
 
THE AFFECTED AREAS WERE...  
 
NEARSHORE WATERS FROM WINTHROP HARBOR TO NORTHERLY ISLAND...  
 
THE THUNDERSTORMS HAVE MOVED OUT OF THE WARNED AREA AND NO LONGER  
POSE A SIGNIFICANT THREAT TO BOATERS.  
 
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT FOR  
NORTHWESTERN INDIANA...AND THE ADJACENT WATERS OF LAKE MICHIGAN.  
 
 
 
LAT...LON 4162 8733 4164 8743 4168 8743 4167 8747  
4170 8751 4171 8752 4194 8745 4202 8748  
4217 8756 4248 8767 4246 8702 4213 8696  
4179 8697 4179 8696 4172 8691 4163 8716  
4162 8732 4161 8732  
TIME...MOT...LOC 2119Z 239DEG 35KT 4224 8752 4207 8730 4192 8721 4175  
8731  
 
 
 
LMZ742>745-777-779-162145-  
/O.CON.KLOT.MA.W.0025.000000T0000Z-250716T2145Z/  
420 PM CDT WED JUL 16 2025  
   
..A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 445 PM CDT  
 
FOR THE FOLLOWING AREAS...  
 
NEARSHORE WATERS FROM NORTHERLY ISLAND TO CALUMET HARBOR...  
NEARSHORE WATERS FROM CALUMET HARBOR TO MICHIGAN CITY...  
OPEN WATERS FROM WINTHROP HARBOR TO MICHIGAN CITY OUT TO MID  
LAKE...  
 
AT 419 PM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 12 NM NORTHEAST OF WILMETTE HARBOR TO 15 NM NORTHEAST  
OF HARRISON-DEVER CRIB TO 16 NM NORTH OF BURNS HARBOR TO 7 NM  
NORTHEAST OF INDIANA HARBOR, MOVING NORTHEAST AT 35 KNOTS. A 64 KNOT  
WIND GUST WAS MEASURED AT THE HARRISON-DEVER CRIB AT A HEIGHT OF  
ABOUT 26 METERS ABOVE THE WATER.  
 
HAZARD...WIND GUSTS IN EXCESS OF 50 KNOTS.  
 
SOURCE...BUOY.  
 
IMPACT...BOATS COULD SUFFER SIGNIFICANT STRUCTURAL DAMAGE IN HIGH  
WINDS. SMALL CRAFT COULD CAPSIZE IN SUDDENLY HIGHER WAVES.  
 
LOCATIONS IMPACTED INCLUDE...  
INDIANA HARBOR, MARINA SHORES AT DUNE HARBOR, HAMMOND MARINA, AND  
BURNS HARBOR.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
 
 
LAT...LON 4162 8733 4164 8743 4168 8743 4167 8747  
4170 8751 4171 8752 4194 8745 4202 8748  
4217 8756 4248 8767 4246 8702 4213 8696  
4179 8697 4179 8696 4172 8691 4163 8716  
4162 8732 4161 8732  
TIME...MOT...LOC 2119Z 239DEG 35KT 4224 8752 4207 8730 4192 8721 4175  
8731  
 
HAIL...0.00IN  
WIND...50KTS  
 
 
 
CARLAW  
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