246
WHUS73 KLOT 041543
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
943 AM CST Tue Nov 4 2025

LMZ740>743-042345-
/O.CON.KLOT.SC.Y.0096.251105T0100Z-251106T0000Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
943 AM CST Tue Nov 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 6 PM CST WEDNESDAY...

* WHAT...Southwest winds to 30 kt with a few 35 kt gales
  tonight, becoming northwest to 30 kt on Wednesday. Significant
  waves to 5 ft expected.

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

* WHEN...From 7 PM this evening to 6 PM CST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ744-745-042345-
/O.CON.KLOT.SC.Y.0096.251105T0100Z-251106T0900Z/
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
943 AM CST Tue Nov 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 3 AM CST THURSDAY...

* WHAT...Southwest winds to 30 kt with a few 35 kt gales
  tonight, becoming northwest to 30 kt on Wednesday. Significant
  waves to 8 ft occasionally to 10 ft expected.

* WHERE...Gary to Michigan City IN.

* WHEN...From 7 PM this evening to 3 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.

&&

$$