497
WHUS73 KLOT 022103
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
303 PM CST Tue Dec 2 2025

LMZ740>743-030515-
/O.EXT.KLOT.SC.Y.0106.251203T0300Z-251203T1600Z/
/O.NEW.KLOT.SC.Y.0107.251204T0300Z-251204T1500Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
303 PM CST Tue Dec 2 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 PM THIS EVENING TO
10 AM CST WEDNESDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM WEDNESDAY TO 9 AM CST
THURSDAY...

* WHAT...For the first Small Craft Advisory, southwest winds to 25
  to 30 kt expected. For the second Small Craft Advisory, northwest
  winds to 25 kt and significant waves to 7 ft occasionally to 9
  ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet
  Harbor IL to Gary IN.

* WHEN...For the first Small Craft Advisory, from 9 PM this
  evening to 10 AM CST Wednesday. For the second Small Craft
  Advisory, from 9 PM Wednesday to 9 AM CST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ744-745-030515-
/O.CON.KLOT.SC.Y.0106.251203T0600Z-251204T2100Z/
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
303 PM CST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 3 PM CST THURSDAY...

* WHAT...Southwest to west winds to 25 kt tonight into Wednesday
  and northwest winds to 25 to 30 kt Wednesday night into Thursday
  with significant waves to 10 ft occasionally to 13 ft expected.

* WHERE...Gary to Michigan City IN.

* WHEN...From midnight tonight to 3 PM CST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

RC