870  
FZUS73 KLOT 161848  
MWSLOT  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE  
148 PM CDT THU APR 16 2026  
 
LMZ742>745-779-162015-  
148 PM CDT THU APR 16 2026  
   
..A STRONG THUNDERSTORM OVER THE WATERS  
 
THE AREAS AFFECTED INCLUDE...  
 
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...  
 
AT 146 PM CDT, DOPPLER RADAR INDICATED A STRONG THUNDERSTORM, CAPABLE  
OF PRODUCING WINDS TO AROUND 30 KNOTS AND SMALL HAIL. THIS  
THUNDERSTORM WAS LOCATED EAST OF THE HARRISON-DEVER CRIB, MOVING  
EAST AT 20 KNOTS, WITH ADDITIONAL THUNDERSTORMS FARTHER OFFSHORE.  
 
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 4162 8733 4164 8743 4168 8743 4167 8744  
4167 8747 4170 8751 4184 8760 4178 8744  
4171 8733 4197 8721 4200 8697 4179 8697  
4179 8696 4172 8691 4166 8709 4165 8714  
4163 8716 4162 8732 4161 8733  
 
 
 
DONOFRIO  
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