629
WHUS73 KLOT 220720
MWWLOT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
220 AM CDT MON JUN 22 2026
LMZ740>742-221530-
/O.CON.KLOT.SC.Y.0069.000000T0000Z-260623T0600Z/
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
220 AM CDT MON JUN 22 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT
TUESDAY...
* WHAT...NORTH TO NORTHEAST WINDS TO 25 KT AND SIGNIFICANT WAVES
TO 6 FT OCCASIONALLY TO 8 FT.
* WHERE...WINTHROP HARBOR TO CALUMET HARBOR, IL.
* WHEN...UNTIL 1 AM CDT TUESDAY.
* 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>745-221530-
/O.CON.KLOT.SC.Y.0069.000000T0000Z-260623T0900Z/
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
220 AM CDT MON JUN 22 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
TUESDAY...
* WHAT...NORTH TO 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 TUESDAY.
* 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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