553
WHUS73 KLOT 072103
MWWLOT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
403 PM CDT TUE APR 7 2026
LMZ743>745-080515-
/O.EXP.KLOT.SC.Y.0039.000000T0000Z-260407T2100Z/
/O.NEW.KLOT.SC.Y.0040.260408T1200Z-260409T1200Z/
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
403 PM CDT TUE APR 7 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM WEDNESDAY TO 7 AM CDT
THURSDAY...
* WHAT...SOUTH WINDS TO 25 KT AND SIGNIFICANT WAVES TO 4 FT
EXPECTED.
* WHERE...CALUMET HARBOR IL TO MICHIGAN CITY IN.
* WHEN...FROM 7 AM WEDNESDAY TO 7 AM CDT THURSDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LMZ740>742-080515-
/O.NEW.KLOT.SC.Y.0040.260408T1200Z-260409T0900Z/
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
403 PM CDT TUE APR 7 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM WEDNESDAY TO 4 AM CDT
THURSDAY...
* WHAT...SOUTH WINDS TO 30 KT WITH OCCASIONAL GALES TO 35 KT AND
SIGNIFICANT WAVES TO 6 FT OCCASIONALLY TO 8 FT EXPECTED.
* WHERE...WINTHROP HARBOR TO CALUMET HARBOR IL.
* WHEN...FROM 7 AM WEDNESDAY TO 4 AM CDT THURSDAY.
* 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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