Special Marine Warning
Issued by NWS Chicago, IL

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WHUS53 KLOT 161945
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/O.NEW.KLOT.MA.W.0025.250716T1945Z-250716T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Chicago/Romeoville
245 PM CDT Wed Jul 16 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 Michigan City...
  Open Waters from Winthrop Harbor to Michigan City out to Mid
Lake...

* Until 445 PM CDT.

* At 244 PM CDT, strong thunderstorms were located along a line
  extending from 7 nm northwest of Elgin to 9 nm southwest of Aurora
  to 13 nm west of Joliet, moving northeast at 50 knots. Storms are
  expected to be near the lake on the Illinois side around 330 to
  400 PM.

  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...
  Harrison-Dever Crib, Burnham Harbor, Hammond Marina, Wilmette
  Harbor, Jackson Park Harbor, 31st Street Harbor, Monroe Harbor,
  Burns Harbor, Belmont Harbor, Calumet Harbor, Marina Shores at Dune
  Harbor, and 59th Street Marina.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

&&

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 1944Z 244DEG 50KT 4210 8844 4164 8842 4154 8843 4127
8863

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

$$

Carlaw