659  
FZUS73 KLOT 101433  
MWSLOT  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE  
933 AM CDT SAT MAY 10 2025  
 
LMZ740>744-777-779-101630-  
933 AM CDT SAT MAY 10 2025  
   
..A SHARP COLD FRONT RACING DOWN LAKE MICHIGAN
 
 
THE AREAS AFFECTED INCLUDE...  
 
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 930 AM CDT, NWS METEOROLOGISTS WERE TRACKING A COLD FRONT RACING  
DOWN THE LAKE MICHIGAN SHORELINE. THE FRONT WILL RACE THROUGH LAKE  
FOREST, EVANSTON, CHICAGO, AND GARY OVER THE NEXT FEW HOURS. AS THE  
FRONT PASSES, AN ABRUPT WIND SHIFT FROM WEST TO NORTHEASTERLY  
ACCOMPANIED BY WIND GUSTS OF 30 TO 35 KT WILL OCCUR. WAUKEGAN  
AIRPORT MEASURED A 34 KT WIND GUST AS THE FRONT PASSED THROUGH.  
 
LOCATIONS IMPACTED INCLUDE...  
HARRISON-DEVER CRIB, BURNHAM HARBOR, HAMMOND MARINA, WILMETTE HARBOR,  
JACKSON PARK HARBOR, 31ST STREET HARBOR, MONROE HARBOR, BELMONT  
HARBOR, CALUMET HARBOR, MARINA SHORES AT DUNE HARBOR, 59TH STREET  
MARINA, AND INDIANA HARBOR.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS CAN EXPECT AN ABRUPT WIND SHIFT WITH GUSTY WINDS AS WELL AS  
QUICKLY BUILDING WAVES AS THE FRONT PASSES THROUGH. BOATERS SHOULD  
SEEK SAFE HARBOR PRIOR TO THE ARRIVAL OF THE FRONT.  
 

 
 
LAT...LON 4240 8780 4239 8735 4164 8716 4162 8732  
4161 8733 4162 8733 4164 8742 4168 8742  
4167 8747 4171 8753 4175 8753 4178 8756  
4178 8758 4180 8758 4185 8761 4188 8762  
4189 8760 4190 8762 4206 8767 4227 8783  
 

 
 
BORCHARDT  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page