652
WHUS73 KLOT 130733
MWWLOT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
233 AM CDT FRI MAR 13 2026
LMZ740>745-131545-
/O.CAN.KLOT.GL.W.0012.000000T0000Z-260313T0900Z/
/O.EXT.KLOT.SR.W.0001.260313T0733Z-260313T2100Z/
/O.CON.KLOT.GL.W.0013.260313T2100Z-260314T0300Z/
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-
233 AM CDT FRI MAR 13 2026
...STORM WARNING NOW IN EFFECT FROM NOW UNTIL 4 PM CDT THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 10
PM CDT THIS EVENING...
* WHAT...FOR THE STORM WARNING, SOUTHWEST AND WEST WINDS TO 50 KT
AND SIGNIFICANT WAVES TO 11 FT OCCASIONALLY TO 14 FT OCCURRING.
FOR THE GALE WARNING, NORTHWEST WINDS TO 45 KT AND SIGNIFICANT
WAVES TO 11 FT OCCASIONALLY TO 14 FT EXPECTED.
* WHERE...ILLINOIS AND INDIANA NEARSHORE FROM WINTHROP HARBOR, IL
TO MICHIGAN CITY, IN.
* WHEN...FOR THE STORM WARNING, UNTIL 4 PM CDT THIS AFTERNOON.
FOR THE GALE WARNING, FROM 4 PM THIS AFTERNOON TO 10 PM CDT
THIS EVENING.
* IMPACTS...STORM FORCE WINDS AND HAZARDOUS WAVES WILL CAPSIZE
OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD REMAIN IN PORT, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR SEVERE CONDITIONS.
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