Special Marine Warning
Issued by NWS Chicago, IL

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WHUS53 KLOT 241838
SMWLOT
LMZ743>745-779-241915-
/O.NEW.KLOT.MA.W.0020.250624T1838Z-250624T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Chicago/Romeoville
138 PM CDT Tue Jun 24 2025

The National Weather Service in Chicago has issued a

* Special Marine Warning for...

  Nearshore Waters from Calumet Harbor to Michigan City...  Open
  Waters from Calumet Harbor to Michigan City out to Mid Lake...

* Until 215 PM CDT.

* At 137 PM CDT, a strong thunderstorm was located over Indiana
  Harbor, moving east at 40 knots.

  HAZARD...Wind gusts to 40 knots.

  SOURCE...Radar.

  IMPACT...Small craft could be damaged in briefly higher winds and
           suddenly higher waves.

* Locations impacted include...
  Indiana Harbor, Marina Shores at Dune Harbor, Michigan City,
  Hammond Marina, and Burns Harbor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor immediately as gusty winds and high waves are
expected.

&&

LAT...LON 4162 8733 4164 8743 4165 8744 4167 8742
      4168 8743 4167 8744 4167 8747 4170 8752
      4171 8752 4191 8697 4179 8697 4179 8696
      4172 8690 4171 8692 4165 8711 4165 8714
      4163 8716 4162 8727 4162 8732 4161 8732
TIME...MOT...LOC 1837Z 254DEG 39KT 4166 8738

HAIL...0.00IN
WIND...40KTS

$$

Ratzer