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/O.NEW.KLOT.MA.W.0010.250516T0054Z-250516T0215Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Special Marine Warning

National Weather Service Chicago/Romeoville

754 PM CDT Thu May 15 2025



The National Weather Service in Chicago has issued a



* Special Marine Warning for...



  Nearshore Waters from Wilmette Harbor to Calumet Harbor...

  Nearshore Waters from Calumet Harbor to Michigan City...

  Open Waters from Wilmette Harbor to Michigan City out to Mid

Lake...



* Until 915 PM CDT.



* At 753 PM CDT, a cluster of strong to severe thunderstorms was 

  located over Will, southern DuPage, and southern Cook Counties, 

  moving northeast at 45 knots.



  HAZARD...Wind gusts in excess of 50 knots and large hail.



  SOURCE...Radar.



  IMPACT...Boats could suffer significant structural damage in high 

           winds and hail. Small craft could capsize in suddenly 

           higher waves.



* Locations impacted include...

  Calumet Harbor, Marina Shores at Dune Harbor, 59th Street Marina,

  Hammond Marina, Indiana Harbor, Jackson Park Harbor, Burns Harbor,

  and DuSable Harbor.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



A Tornado Watch remains in effect until 1000 PM CDT for northeastern

Illinois...northwestern Indiana...and the adjacent waters of Lake

Michigan.



Frequent lightning is occurring with this storm. If caught on the

open water stay below deck if possible, keep away from ungrounded

metal objects.



&&



LAT...LON 4162 8733 4164 8743 4168 8743 4167 8747

      4171 8753 4175 8753 4179 8757 4179 8758

      4178 8758 4189 8760 4190 8762 4189 8697

      4179 8697 4179 8696 4172 8691 4163 8716

      4162 8732 4161 8733

TIME...MOT...LOC 0053Z 236DEG 43KT 4159 8790 



HAIL...>.75IN

WIND...50KTS



$$



Doom