196  
FZUS73 KLOT 161828  
MWSLOT  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE  
128 PM CDT THU APR 16 2026  
 
LMZ741-742-779-161930-  
128 PM CDT THU APR 16 2026  
   
..A STRONG THUNDERSTORM OVER THE WATERS
 
 
THE AREAS AFFECTED INCLUDE...  
 
NEARSHORE WATERS FROM WILMETTE HARBOR TO CALUMET HARBOR...  
OPEN WATERS FROM WILMETTE HARBOR TO MICHIGAN CITY OUT TO MID  
LAKE...  
 
AT 127 PM CDT, DOPPLER RADAR INDICATED A STRONG THUNDERSTORM, CAPABLE  
OF PRODUCING WINDS TO AROUND 30 KNOTS AND SMALL HAIL. THIS  
THUNDERSTORM WAS LOCATED OVER DIVERSEY HARBOR, OR OVER HARRISON-  
DEVER CRIB, MOVING SOUTHEAST AT 20 KNOTS. ADDITIONAL THUNDERSTORMS  
ARE OFFSHORE THAT LIKELY ALSO HAVE SOME SMALL HAIL.  
 
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 THIS STORM PASSES.  
 

 
 
LAT...LON 4171 8732 4177 8742 4184 8761 4187 8761  
4187 8762 4188 8762 4189 8761 4189 8760  
4190 8762 4196 8764 4196 8763 4199 8765  
4205 8762 4202 8740 4195 8722  
 

 
 
DONOFRIO  
 
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