WHUS53 KLOT 310304
SMWLOT
LMZ741>745-779-310500-
/O.NEW.KLOT.MA.W.0012.260331T0304Z-260331T0500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Chicago/Romeoville
1004 PM CDT Mon Mar 30 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 midnight CDT.

* At 1003 PM CDT, severe thunderstorms were located along a line
  extending from near Aurora to 10 nm northwest of Joliet, moving
  east at 30 knots.

  HAZARD...Wind gusts to nearly 50 knots 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.

* Severe thunderstorms will be near...
  Monroe Harbor, 31st Street Harbor, Burnham Harbor, Diversy Harbor,
  and DuSable Harbor around 1050 PM CDT.
  Harrison-Dever Crib, Belmont Harbor, Jackson Park Harbor, and 59th
  Street Marina around 1055 PM CDT.
  Calumet Harbor around 1100 PM CDT.
  Hammond Marina around 1105 PM CDT.
  Indiana Harbor around 1110 PM CDT.
  Burns Harbor and Marina Shores at Dune Harbor around 1135 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor until hazardous weather passes.

&&

LAT...LON 4162 8733 4164 8742 4167 8742 4169 8750
      4179 8758 4178 8758 4189 8762 4189 8760
      4190 8762 4205 8767 4202 8697 4179 8697
      4179 8696 4172 8691 4163 8716 4162 8732
      4161 8733
TIME...MOT...LOC 0303Z 264DEG 31KT 4183 8826 4163 8832

HAIL...>.75IN
WIND...49KTS

$$

Ratzer