436
WHUS53 KLOT 190402
SMWLOT
LMZ740>743-777-779-190500-
/O.NEW.KLOT.MA.W.0007.250419T0402Z-250419T0500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Chicago/Romeoville
1102 PM CDT Fri Apr 18 2025

The National Weather Service in Chicago has issued a

* Special Marine Warning for...

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

* Until midnight CDT.

* At 1101 PM CDT, severe thunderstorms were located along a line
  extending from near Wilmette Harbor to Midway Airport to 10 nm
  northeast of Joliet, moving northeast at 55 knots.

  HAZARD...Wind gusts 34 knots or greater and large hail.

  SOURCE...Radar.

  IMPACT...Small craft could be damaged in briefly higher winds and
           suddenly higher waves. Large hail could result in
           structural damage.

* Locations impacted include...
  Harrison-Dever Crib, Belmont Harbor, Calumet Harbor, Burnham
  Harbor, 59th Street Marina, Wilmette Harbor, Jackson Park Harbor,
  31st Street Harbor, Montrose Harbor, Monroe Harbor, Diversy Harbor,
  and DuSable Harbor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor until hazardous weather passes.

&&

LAT...LON 4213 8696 4186 8697 4171 8752 4171 8753
      4175 8753 4179 8758 4178 8758 4183 8760
      4189 8762 4189 8760 4190 8762 4206 8767
      4211 8771 4246 8702
TIME...MOT...LOC 0401Z 233DEG 57KT 4202 8764 4177 8778 4166 8796

HAIL...>.75IN
WIND...>34KTS

$$

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