402
WHUS73 KLOT 310140
MWWLOT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
840 PM CDT MON MAR 30 2026
LMZ740>742-311200-
/O.EXT.KLOT.SC.Y.0036.260331T0140Z-260402T0000Z/
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
840 PM CDT MON MAR 30 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT WEDNESDAY
* WHAT...SOUTHWEST WINDS TO 25 KT TONIGHT AND EARLY TUESDAY THEN
NORTHWEST WINDS TO 30 KT. SIGNIFICANT WAVES TO 8 FT
OCCASIONALLY TO 10 FT.
* WHERE...WINTHROP HARBOR TO CALUMET HARBOR IL.
* WHEN...UNTIL 7 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.
LMZ743>745-311200-
/O.EXT.KLOT.SC.Y.0036.260331T0140Z-260402T0000Z/
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
840 PM CDT MON MAR 30 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT WEDNESDAY
* WHAT...SOUTHWEST WINDS TO 25 KT TONIGHT AND TUESDAY MORNING THEN
NORTHWEST WINDS TO 30 KT. SIGNIFICANT WAVES TO 8 FT
OCCASIONALLY TO 10 FT.
* WHERE...CALUMET HARBOR IL TO MICHIGAN CITY IN.
* WHEN...UNTIL 7 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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