839
WHUS73 KLOT 100340
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
940 PM CST Sun Nov 9 2025

LMZ740>742-101145-
/O.CON.KLOT.GL.W.0027.000000T0000Z-251110T1200Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
940 PM CST Sun Nov 9 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM CST MONDAY...

* WHAT...Northerly gales to 35 kt and significant waves to 12 ft
  occasionally to 16 ft occurring.

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

* WHEN...Until 6 AM CST Monday.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LMZ743>745-101145-
/O.CON.KLOT.GL.W.0027.000000T0000Z-251110T1200Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
940 PM CST Sun Nov 9 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM CST MONDAY...

* WHAT...Northerly gales to 35 to 40 kt and significant waves to
  14 ft occasionally to 18 ft occurring.

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

* WHEN...Until 6 AM CST Monday.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$