WHUS53 KLOT 150233
SMWLOT
LMZ741>745-779-150430-
/O.NEW.KLOT.MA.W.0023.260415T0233Z-260415T0430Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Chicago/Romeoville
933 PM CDT Tue Apr 14 2026

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 1130 PM CDT.

* At 932 PM CDT, severe thunderstorms capable of producing
  waterspouts were located along a line extending from 9 nm southeast
  of Winthrop Harbor to 7 nm south of Waukegan Harbor to 13 nm
  southeast of McHenry to 7 nm west of Elgin, moving east at 35
  knots.

  HAZARD...Waterspouts and wind gusts to nearly 50 knots.

  SOURCE...Radar and surface observations.

  IMPACT...Waterspouts can easily overturn boats and create locally
           hazardous seas. Small craft could be damaged in briefly
           higher winds and suddenly higher waves.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until midnight CDT for northeastern
Illinois...and the adjacent waters of Lake Michigan.

&&

LAT...LON 4162 8733 4164 8743 4168 8743 4167 8744
      4169 8750 4183 8760 4189 8762 4189 8760
      4190 8762 4208 8768 4211 8760 4212 8696
      4179 8697 4179 8696 4172 8691 4163 8716
      4162 8732 4161 8732
TIME...MOT...LOC 0232Z 292DEG 35KT 4238 8763 4224 8785 4216 8811 4205
8845

WATERSPOUT...POSSIBLE
HAIL...0.00IN
WIND...49KTS

$$

Carlaw