WHUS53 KLOT 140347
SMWLOT
LMZ740>743-777-779-140515-
/O.NEW.KLOT.MA.W.0042.260614T0347Z-260614T0515Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Chicago/Romeoville
1047 PM CDT Sat Jun 13 2026

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 1215 AM CDT.

* At 1047 PM CDT, strong thunderstorms were located along a line
  extending from 29 nm east of Waukegan Harbor to 9 nm northeast of
  Wilmette Harbor to 8 nm northeast of Aurora, moving southeast at 25
  knots.

  HAZARD...Wind gusts to 40 knots and small hail.

  SOURCE...Radar.

  IMPACT...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, Calumet Harbor, Indiana Harbor, Montrose Harbor, Burnham
  Harbor, Hammond Marina, Jackson Park Harbor, Belmont Harbor, and
  59th Street Marina.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4165 8744 4167 8742 4167 8747 4171 8753
      4175 8753 4179 8758 4178 8758 4189 8762
      4189 8760 4190 8762 4206 8767 4215 8776
      4243 8725 4238 8700 4213 8696 4188 8697
      4164 8743
TIME...MOT...LOC 0347Z 293DEG 25KT 4234 8716 4217 8751 4184 8812

HAIL...<.75IN
WIND...40KTS

$$

Ratzer