227
WHUS73 KLOT 022042
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
242 PM CST Sun Nov 2 2025

LMZ740>742-030445-
/O.CON.KLOT.SC.Y.0095.251103T0000Z-251103T2300Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
242 PM CST Sun Nov 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 5 PM CST MONDAY...

* WHAT...Southwest winds to 30 kt with a few 35 kt gale gusts
  overnight tonight becoming west to 25 kt Monday.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...From 6 PM this evening to 5 PM CST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ743>745-030445-
/O.CON.KLOT.SC.Y.0095.251103T0300Z-251103T2300Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
242 PM CST Sun Nov 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 5 PM CST MONDAY...

* WHAT...Southwest to west winds to 30 kt and significant waves
  to 6 ft occasionally to 8 ft expected.

* WHERE...Calumet Harbor IL to Michigan City IN.

* WHEN...From 9 PM this evening to 5 PM CST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$