294
WHUS73 KLOT 202022
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
322 PM CDT Fri Jun 20 2025

LMZ740>744-210430-
/O.UPG.KLOT.GL.A.0015.250621T1400Z-250622T0300Z/
/O.NEW.KLOT.GL.W.0022.250621T1400Z-250622T0300Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
322 PM CDT Fri Jun 20 2025

...GALE WARNING IN EFFECT FROM 9 AM TO 10 PM CDT SATURDAY...

* WHAT...Southwest gales to 35 kt and significant waves to 5 ft
  expected.

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

* WHEN...From 9 AM to 10 PM CDT Saturday.

* 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.

&&

$$

LMZ745-210430-
/O.CON.KLOT.SC.Y.0068.250621T1400Z-250622T0300Z/
Burns Harbor to Michigan City IN-
322 PM CDT Fri Jun 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TO 10 PM CDT
SATURDAY...

* WHAT...Southwest winds to 30 kt expected with occasional 35 kt
  gales possible.

* WHERE...Burns Harbor to Michigan City IN.

* WHEN...From 9 AM to 10 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$