178
WHUS73 KLOT 290858
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
258 AM CST Sat Nov 29 2025

LMZ740>742-291700-
/O.CON.KLOT.SC.Y.0105.251129T1500Z-251201T0400Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
258 AM CST Sat Nov 29 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO 10 PM CST SUNDAY...

* WHAT...Southeast winds to 30 kt today and northwest winds to 30
  kt Sunday. Significant waves to 9 ft occasionally to 12 ft
  expected.

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

* WHEN...From 9 AM this morning to 10 PM CST Sunday.

* 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>745-291700-
/O.CON.KLOT.SC.Y.0105.251129T1500Z-251201T1300Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
258 AM CST Sat Nov 29 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO 7 AM CST MONDAY...

* WHAT...Southeast winds to 30 kt today and northwest winds to 30
  kt Sunday. Occasional gale gusts to 35 kt Sunday. Significant
  waves to 11 ft occasionally to 14 ft expected.

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

* WHEN...From 9 AM this morning to 7 AM 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.

&&

$$