279  
FZUS73 KLOT 110011  
MWSLOT  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE  
711 PM CDT THU JUL 10 2025  
 
LMZ740>744-777-779-110215-  
711 PM CDT THU JUL 10 2025  
 
A MARINE WEATHER STATEMENT HAS BEEN ISSUED FOR THE FOLLOWING AREAS...  
 
NEARSHORE WATERS FROM WINTHROP HARBOR TO CALUMET HARBOR...  
NEARSHORE WATERS FROM CALUMET HARBOR TO BURNS HARBOR...  
OPEN WATERS FROM WINTHROP HARBOR TO MICHIGAN CITY OUT TO MID  
LAKE...  
 
AT 710 PM CDT, DOPPLER RADAR INDICATED STRONG THUNDERSTORMS AND AN  
ASSOCIATED GUST FRONT, CAPABLE OF PRODUCING WINDS TO AROUND 30  
KNOTS. THESE THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM  
6 NM WEST OF OHARE AIRPORT TO NEAR MIDWAY AIRPORT TO 13 NM EAST OF  
JOLIET, MOVING EAST AT 20 KNOTS.  
 
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...  
 
MARINERS CAN EXPECT GUSTY WINDS TO AROUND 30 KNOTS, LOCALLY HIGHER  
WAVES, AND LIGHTNING STRIKES. BOATERS SHOULD SEEK SAFE HARBOR  
IMMEDIATELY UNTIL THESE STORMS PASS.  
 

 
 
LAT...LON 4162 8733 4164 8743 4168 8743 4167 8747  
4171 8753 4175 8753 4179 8758 4178 8758  
4185 8761 4189 8762 4189 8760 4190 8762  
4206 8767 4215 8776 4229 8737 4164 8715  
4162 8732 4161 8732  
 

 
 
CARLAW  
 
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