328
WHUS73 KLOT 110812
MWWLOT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
312 AM CDT WED MAR 11 2026
LMZ740-741-111615-
/O.CON.KLOT.SC.Y.0029.000000T0000Z-260312T0900Z/
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
312 AM CDT WED MAR 11 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
THURSDAY...
* WHAT...NORTHWEST WINDS TO 30 KT AND SIGNIFICANT WAVES TO 7 FT
OCCASIONALLY TO 9 FT.
* WHERE...WINTHROP HARBOR TO NORTHERLY ISLAND IL.
* 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.
LMZ742-743-111615-
/O.CON.KLOT.SC.Y.0029.260311T1500Z-260312T0900Z/
NORTHERLY ISLAND TO CALUMET HARBOR IL-
CALUMET HARBOR IL TO GARY IN-
312 AM CDT WED MAR 11 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 4 AM CDT THURSDAY...
* WHAT...NORTHWEST WINDS TO 30 KT AND SIGNIFICANT WAVES TO 8 FT
OCCASIONALLY TO 10 FT EXPECTED.
* WHERE...NORTHERLY ISLAND TO CALUMET HARBOR IL AND CALUMET
HARBOR IL TO GARY IN.
* WHEN...FROM 10 AM THIS MORNING 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.
LMZ744-745-111615-
/O.CON.KLOT.SC.Y.0029.260311T1500Z-260312T1500Z/
GARY TO BURNS HARBOR IN-BURNS HARBOR TO MICHIGAN CITY IN-
312 AM CDT WED MAR 11 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 10 AM CDT THURSDAY...
* WHAT...NORTHWEST WINDS TO 30 KT AND SIGNIFICANT WAVES TO 11 FT
OCCASIONALLY TO 14 FT EXPECTED.
* WHERE...GARY TO MICHIGAN CITY IN.
* WHEN...FROM 10 AM THIS MORNING TO 10 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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