608
WHUS73 KLOT 211447
MWWLOT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
947 AM CDT TUE JUL 21 2026
LMZ743>745-212300-
/O.CON.KLOT.SC.Y.0073.000000T0000Z-260723T0900Z/
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
947 AM CDT TUE JUL 21 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
THURSDAY...
* WHAT...WEST WINDS TO 20 KT TODAY BECOMING NORTH WINDS TO 25 KT
THIS EVENING WITH SIGNIFICANT WAVES TO 10 FT OCCASIONALLY TO 13
FT ON WEDNESDAY EXPECTED.
* WHERE...CALUMET HARBOR IL TO MICHIGAN CITY IN.
* WHEN...UNTIL 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.
LMZ740>742-212300-
/O.CON.KLOT.SC.Y.0073.000000T0000Z-260723T0300Z/
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
947 AM CDT TUE JUL 21 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT
WEDNESDAY...
* WHAT...WEST WINDS TO 20 KT TODAY BECOMING NORTH WINDS TO 25 KT
THIS EVENING WITH SIGNIFICANT WAVES TO 9 FT OCCASIONALLY TO 12
FT ON WEDNESDAY EXPECTED.
* WHERE...WINTHROP HARBOR TO CALUMET HARBOR IL.
* WHEN...UNTIL 10 PM CDT WEDNESDAY.
* 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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