Special Marine Warning
Issued by NWS Chicago, IL

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BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Chicago/Romeoville
804 PM CDT Mon Jul 15 2024

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

* Until 1100 PM CDT.

* At 803 PM CDT, severe thunderstorms capable of producing severe
  winds and embedded waterspouts were located along a line extending
  from 35 nm west of McHenry to 35 nm west of Elgin to 37 nm west of
  Aurora, moving east at 45 knots.

  HAZARD...Waterspouts, wind gusts in excess of 50 knots, and small
           hail.

  SOURCE...Radar.

  IMPACT...Waterspouts can easily overturn boats and create locally
           hazardous seas. Boats could suffer significant structural
           damage in high winds. Small craft could capsize in
           suddenly higher waves.

* Locations impacted include...
  Harrison-Dever Crib, Wilmette Harbor, 31st Street Harbor, Monroe
  Harbor, Burns Harbor, Calumet Harbor, Winthrop Harbor, Indiana
  Harbor, Montrose Harbor, Waukegan Harbor, Burnham Harbor, and
  Hammond Marina.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 100 AM CDT for northeastern
Illinois...northwestern Indiana...and the adjacent waters of Lake
Michigan.

Move to safe harbor until hazardous weather passes.

&&

LAT...LON 4162 8733 4164 8743 4168 8743 4167 8747
      4170 8751 4183 8760 4189 8762 4189 8760
      4190 8762 4206 8767 4227 8783 4248 8780
      4246 8702 4213 8696 4179 8697 4179 8696
      4172 8691 4163 8716 4162 8732 4161 8732
TIME...MOT...LOC 0103Z 269DEG 42KT 4256 8904 4209 8907 4185 8912 4168
8959

WATERSPOUT...POSSIBLE
HAIL...<.75IN
WIND...50KTS

$$

Carlaw