398
WHUS73 KLOT 212013
MWWLOT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
313 PM CDT THU MAY 21 2026
LMZ740>742-220415-
/O.CON.KLOT.SC.Y.0060.000000T0000Z-260523T1500Z/
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
313 PM CDT THU MAY 21 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT
SATURDAY...
* WHAT...NORTHEAST WINDS TO 25 KT AND SIGNIFICANT WAVES TO 6 FT
OCCASIONALLY TO 8 FT.
* WHERE...WINTHROP HARBOR TO CALUMET HARBOR IL.
* WHEN...UNTIL 10 AM 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.
LMZ743>745-220415-
/O.CON.KLOT.SC.Y.0060.000000T0000Z-260522T0900Z/
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
313 PM CDT THU MAY 21 2026
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT FRIDAY
* WHAT...NORTHEAST WINDS TO 25 KT AND SIGNIFICANT WAVES TO 6 FT
OCCASIONALLY TO 8 FT.
* WHERE...CALUMET HARBOR IL TO MICHIGAN CITY IN.
* WHEN...UNTIL 4 AM CDT FRIDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
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