281
WHUS73 KLOT 271435
MWWLOT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
935 AM CDT MON APR 27 2026
LMZ740>742-272245-
/O.EXT.KLOT.SC.Y.0049.000000T0000Z-260427T1700Z/
/O.NEW.KLOT.GL.W.0019.260427T1700Z-260428T0000Z/
/O.NEW.KLOT.SC.Y.0050.260428T0000Z-260428T1500Z/
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
935 AM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL NOON CDT TODAY
..GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
CDT TUESDAY...
* WHAT...FOR THE FIRST SMALL CRAFT ADVISORY, SOUTHEAST WINDS TO 25
KT AND SIGNIFICANT WAVES TO 5 FT. FOR THE GALE WARNING,
SOUTHEAST WINDS TO 35 KT AND SIGNIFICANT WAVES TO 7 FT
OCCASIONALLY TO 9 FT EXPECTED. FOR THE SECOND SMALL CRAFT
ADVISORY, SOUTH TO SOUTHWEST WINDS TO 30 KT AND SIGNIFICANT
WAVES TO 7 FT OCCASIONALLY TO 9 FT EXPECTED.
* WHERE...WINTHROP HARBOR TO CALUMET HARBOR IL.
* WHEN...FOR THE FIRST SMALL CRAFT ADVISORY, UNTIL NOON CDT
TODAY. FOR THE GALE WARNING, UNTIL 7 PM CDT THIS EVENING. FOR
THE SECOND SMALL CRAFT ADVISORY, FROM 7 PM THIS EVENING TO 10
AM CDT TUESDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
LMZ743>745-272245-
/O.EXT.KLOT.SC.Y.0049.260427T1500Z-260427T1700Z/
/O.NEW.KLOT.GL.W.0019.260427T1700Z-260428T0000Z/
/O.NEW.KLOT.SC.Y.0050.260428T0000Z-260428T1500Z/
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
935 AM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL NOON CDT TODAY
..GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
CDT TUESDAY...
* WHAT...FOR THE FIRST SMALL CRAFT ADVISORY, SOUTHEAST WINDS TO 25
KT EXPECTED. FOR THE GALE WARNING, SOUTHEAST WINDS TO 35 KT AND
SIGNIFICANT WAVES TO 5 FT EXPECTED. FOR THE SECOND SMALL CRAFT
ADVISORY, SOUTH TO SOUTHWEST WINDS TO 30 KT AND SIGNIFICANT
WAVES TO 5 FT EXPECTED.
* WHERE...CALUMET HARBOR IL TO MICHIGAN CITY IN.
* WHEN...FOR THE FIRST SMALL CRAFT ADVISORY, UNTIL NOON CDT
TODAY. FOR THE GALE WARNING, UNTIL 7 PM CDT THIS EVENING. FOR
THE SECOND SMALL CRAFT ADVISORY, FROM 7 PM THIS EVENING TO 10
AM CDT TUESDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page