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Gale Watch


URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
938 AM CDT Sun Apr 20 2025

LMZ740>745-202245-
/O.CON.KLOT.SC.Y.0053.250421T0000Z-250421T1200Z/
/O.CON.KLOT.GL.A.0012.250421T1200Z-250422T0000Z/
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-
Burns Harbor to Michigan City IN-
938 AM CDT Sun Apr 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 AM CDT MONDAY...
...GALE WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY EVENING...

* WHAT...For the Small Craft Advisory, southeast winds to 30 kt
  and significant waves to 8 ft occasionally to 10 ft expected.
  For the Gale Watch, southwest winds to 35 kt and significant
  waves to 7 ft occasionally to 9 ft possible.

* WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL
  to Michigan City IN.

* WHEN...For the Small Craft Advisory, from 7 PM this evening to
  7 AM CDT Monday. For the Gale Watch, from Monday morning
  through Monday evening.

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

* ADDITIONAL DETAILS...Highest waves expected along the Illinois
  nearshore.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
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Page last modified: June 2, 2009
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