719 
FZUS73 KLOT 171632
MWSLOT

Marine Weather Statement
National Weather Service Chicago/Romeoville
1132 AM CDT Wed Jun 17 2026

LMZ740>745-777-779-171830-
/O.CON.KLOT.MA.W.0044.000000T0000Z-260617T1830Z/
1132 AM CDT Wed Jun 17 2026

...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 130 PM CDT...

For the following areas...

  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...

At 1130 AM CDT, the leading edge of an abrupt increase to very 
strong southeasterly winds were located along a line extending from 
19 nm northeast of Montrose Harbor to near Wilmette Harbor to 7 nm 
northeast of Aurora, moving east southeast at 40 knots.

At 1130 AM CDT, O'Hare International Airport gusted to 44 knots.

HAZARD...Wind gusts to nearly 50 knots.

SOURCE...Radar indicated.

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, Burns Harbor, Calumet Harbor, Winthrop Harbor, Indiana
Harbor, Montrose Harbor, Waukegan Harbor, Burnham Harbor, and Hammond
Marina.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek safe shelter...mariners can expect gusty winds and increasing
waves.

&&

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 1630Z 280DEG 38KT 4222 8736 4206 8757 4189 8821 

HAIL...0.00IN
WIND...49KTS

$$

RC