597
WHUS73 KLOT 250950
MWWLOT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
450 AM CDT SAT APR 25 2026
LMZ740>745-251800-
/O.NEW.KLOT.MF.Y.0007.260425T0950Z-260425T1400Z/
/O.CON.KLOT.SC.Y.0048.000000T0000Z-260426T0300Z/
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
450 AM CDT SAT APR 25 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...
* WHAT...FOR THE DENSE FOG ADVISORY, VARYING VISIBILITY AS LOW AS
ONE EIGHTH OF A MILE OCCURRING. FOR THE SMALL CRAFT ADVISORY,
NORTH WINDS TO 25 KT AND SIGNIFICANT WAVES TO 6 FT OCCASIONALLY
TO 8 FT EXPECTED.
* WHERE...ILLINOIS AND INDIANA NEARSHORE FROM WINTHROP HARBOR IL
TO MICHIGAN CITY IN.
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 9 AM CDT THIS
MORNING. FOR THE SMALL CRAFT ADVISORY, UNTIL 10 PM CDT THIS
EVENING.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT. LOW
VISIBILITY WILL MAKE NAVIGATION DIFFICULT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
IF YOU MUST NAVIGATE, PROCEED WITH CAUTION. USE PROPER FOG
SIGNALS. MAKE SURE ALL RUNNING LIGHTS ARE ON. REMEMBER TO USE
YOUR RADAR AND COMPASS.
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