233
WHUS73 KLOT 310816
MWWLOT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
316 AM CDT FRI JUL 31 2026
LMZ740>742-311630-
/O.NEW.KLOT.SC.Y.0075.260801T0800Z-260803T0800Z/
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
316 AM CDT FRI JUL 31 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM SATURDAY TO 3 AM CDT
MONDAY...
* WHAT...NORTHEAST WINDS TO 30 KT AND SIGNIFICANT WAVES TO 9 FT
OCCASIONALLY TO 12 FT EXPECTED.
* WHERE...WINTHROP HARBOR TO CALUMET HARBOR IL.
* WHEN...FROM 3 AM SATURDAY TO 3 AM CDT MONDAY.
* 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>745-311630-
/O.NEW.KLOT.SC.Y.0075.260801T1400Z-260803T0800Z/
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
316 AM CDT FRI JUL 31 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM SATURDAY TO 3 AM CDT
MONDAY...
* WHAT...NORTHEAST WINDS TO 30 KT AND SIGNIFICANT WAVES TO 8 FT
OCCASIONALLY TO 10 FT EXPECTED.
* WHERE...CALUMET HARBOR IL TO MICHIGAN CITY IN.
* WHEN...FROM 9 AM SATURDAY TO 3 AM CDT MONDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page