816
WHUS73 KLOT 191956
MWWLOT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
256 PM CDT SAT SEP 19 2026
LMZ740-741-200400-
/O.EXP.KLOT.SC.Y.0082.000000T0000Z-260919T2000Z/
/O.NEW.KLOT.SC.Y.0083.260920T1200Z-260923T0000Z/
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
256 PM CDT SAT SEP 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM SUNDAY TO 7 PM CDT
TUESDAY...
...PREVIOUS SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM CDT THIS
AFTERNOON...
* WHAT...NORTHEAST WINDS TO 30 KT AND SIGNIFICANT WAVES TO 10 FT
OCCASIONALLY TO 13 FT EXPECTED.
* WHERE...WINTHROP HARBOR TO NORTHERLY ISLAND IL.
* WHEN...FROM 7 AM SUNDAY TO 7 PM 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.
LMZ742-200400-
/O.NEW.KLOT.SC.Y.0083.260920T1200Z-260923T0000Z/
NORTHERLY ISLAND TO CALUMET HARBOR IL-
256 PM CDT SAT SEP 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM SUNDAY TO 7 PM CDT
TUESDAY...
* WHAT...NORTHEAST WINDS TO 30 KT AND SIGNIFICANT WAVES TO 10 FT
OCCASIONALLY TO 13 FT EXPECTED.
* WHERE...NORTHERLY ISLAND TO CALUMET HARBOR IL.
* WHEN...FROM 7 AM SUNDAY TO 7 PM 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.
LMZ743-744-200400-
/O.NEW.KLOT.SC.Y.0083.260920T1500Z-260923T0000Z/
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
256 PM CDT SAT SEP 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM SUNDAY TO 7 PM CDT
TUESDAY...
* WHAT...NORTHEAST WINDS TO 30 KT AND SIGNIFICANT WAVES TO 7 FT
OCCASIONALLY TO 9 FT EXPECTED.
* WHERE...CALUMET HARBOR IL TO BURNS HARBOR IN.
* WHEN...FROM 10 AM SUNDAY TO 7 PM 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.
LMZ745-200400-
/O.NEW.KLOT.SC.Y.0083.260920T1800Z-260921T1200Z/
BURNS HARBOR TO MICHIGAN CITY IN-
256 PM CDT SAT SEP 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM SUNDAY TO 7 AM CDT
MONDAY...
* WHAT...NORTHEAST WINDS TO 25 KT AND SIGNIFICANT WAVES TO 6 FT
OCCASIONALLY TO 8 FT EXPECTED.
* WHERE...BURNS HARBOR TO MICHIGAN CITY IN.
* WHEN...FROM 1 PM SUNDAY TO 7 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.
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