352
WHUS73 KLOT 200507
MWWLOT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
1207 AM CDT SUN SEP 20 2026
LMZ740>742-201315-
/O.NEW.KLOT.MF.Y.0014.260920T0507Z-260920T1400Z/
/O.CON.KLOT.SC.Y.0083.260920T1200Z-260923T0000Z/
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
1207 AM CDT SUN SEP 20 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING
TO 7 PM CDT TUESDAY...
* WHAT...FOR THE DENSE FOG ADVISORY, DENSE FOG WILL REDUCE
VISIBILITY TO ONE QUARTER MILE OR LESS. FOR THE SMALL CRAFT
ADVISORY, NORTHEAST WINDS TO 30 KT AND SIGNIFICANT WAVES TO 10
FT OCCASIONALLY TO 13 FT EXPECTED.
* WHERE...WINTHROP HARBOR TO CALUMET HARBOR IL.
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 9 AM CDT THIS
MORNING. FOR THE SMALL CRAFT ADVISORY, FROM 7 AM THIS MORNING
TO 7 PM CDT TUESDAY.
* 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.
LMZ743-744-201315-
/O.NEW.KLOT.MF.Y.0014.260920T0507Z-260920T1400Z/
/O.CON.KLOT.SC.Y.0083.260920T1500Z-260923T0000Z/
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
1207 AM CDT SUN SEP 20 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 7 PM CDT TUESDAY...
* WHAT...FOR THE DENSE FOG ADVISORY, DENSE FOG WILL REDUCE
VISIBILITY TO ONE QUARTER MILE OR LESS. FOR THE SMALL CRAFT
ADVISORY, NORTHEAST WINDS TO 30 KT AND SIGNIFICANT WAVES TO 7 FT
OCCASIONALLY TO 9 FT EXPECTED.
* WHERE...CALUMET HARBOR IL TO BURNS HARBOR IN.
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 9 AM CDT THIS
MORNING. FOR THE SMALL CRAFT ADVISORY, FROM 10 AM THIS MORNING
TO 7 PM CDT TUESDAY.
* 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.
LMZ745-201315-
/O.NEW.KLOT.MF.Y.0014.260920T0507Z-260920T1400Z/
/O.CON.KLOT.SC.Y.0083.260920T1800Z-260921T1200Z/
BURNS HARBOR TO MICHIGAN CITY IN-
1207 AM CDT SUN SEP 20 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 7 AM CDT MONDAY...
* WHAT...FOR THE DENSE FOG ADVISORY, DENSE FOG WILL REDUCE
VISIBILITY TO ONE QUARTER MILE OR LESS. FOR THE SMALL CRAFT
ADVISORY, NORTHEAST WINDS TO 25 KT AND SIGNIFICANT WAVES TO 6 FT
OCCASIONALLY TO 8 FT EXPECTED.
* WHERE...BURNS HARBOR TO MICHIGAN CITY IN.
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 9 AM CDT THIS
MORNING. FOR THE SMALL CRAFT ADVISORY, FROM 1 PM THIS
AFTERNOON TO 7 AM CDT MONDAY.
* 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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