528 
FZUS73 KLOT 040304
MWSLOT

Marine Weather Statement
National Weather Service Chicago/Romeoville
1004 PM CDT Fri Jul 3 2026

LMZ741>745-779-040415-
/O.CON.KLOT.MA.W.0054.000000T0000Z-260704T0415Z/
1004 PM CDT Fri Jul 3 2026

...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT...

For the following areas...

  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...

At 1004 PM CDT, strong thunderstorms were located along a line
extending from near Harrison-Dever Crib to 6 nm northeast of 59th
Street Marina to near Hammond Marina to 14 nm east of Joliet, moving
east at 20 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, Indiana Harbor, Montrose
Harbor, Burnham Harbor, Hammond Marina, Jackson Park Harbor, and
Belmont Harbor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

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 0304Z 262DEG 18KT 4197 8747 4186 8745 4164 8751 4146
8780

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

$$

Yack


075 
FZUS73 KLOT 040331
MWSLOT

Marine Weather Statement
National Weather Service Chicago/Romeoville
1031 PM CDT Fri Jul 3 2026

LMZ740-777-040500-
1031 PM CDT Fri Jul 3 2026

...A STRONG THUNDERSTORM OVER THE WATERS...

The areas affected include...

  Nearshore Waters from Winthrop Harbor to Wilmette Harbor...
  Open Waters from Winthrop Harbor to Wilmette Harbor out to Mid
Lake...

At 1030 PM CDT, Doppler radar indicated a strong thunderstorms, 
capable of producing winds to around 30 knots and frequent 
lightning. This thunderstorm was located near Wilmette Harbor, 
moving east at 20 knots.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners can expect gusty winds to around 30 knots, locally higher
waves, and lightning strikes. Boaters should seek safe harbor
immediately until this storm passes.

Intense lightning is occurring with this storm. If caught on the open
water stay below deck if possible, keep away from ungrounded metal
objects.

&&

LAT...LON 4222 8780 4238 8700 4212 8696 4211 8760
      4211 8761 4208 8768 4211 8772

$$

Yack