515
WHUS73 KLOT 020229
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
929 PM CDT Sat Nov 1 2025

LMZ740>742-021200-
/O.CON.KLOT.SC.Y.0095.251102T2100Z-251103T1600Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
929 PM CDT Sat Nov 1 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM SUNDAY TO
10 AM CDT MONDAY...

* WHAT...Southwest winds to 25 kt and significant waves to 4 ft
  expected.

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

* WHEN...From 3 PM Sunday to 10 AM CDT 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>745-021200-
/O.CON.KLOT.SC.Y.0095.251103T0000Z-251103T1600Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
929 PM CDT Sat Nov 1 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM SUNDAY TO
10 AM CDT MONDAY...

* WHAT...Southwest winds to 25 kt and significant waves to 5 ft
  expected.

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

* WHEN...From 6 PM Sunday to 10 AM CDT 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.

&&

$$