168
WHUS73 KLOT 111950
MWWLOT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
250 PM CDT WED MAR 11 2026
LMZ740-741-120400-
/O.CON.KLOT.SC.Y.0029.000000T0000Z-260312T0900Z/
/O.NEW.KLOT.GL.A.0007.260313T0300Z-260314T0000Z/
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
250 PM CDT WED MAR 11 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
THURSDAY...
...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
EVENING...
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHWEST WINDS TO 25 KT
AND SIGNIFICANT WAVES TO 7 FT OCCASIONALLY TO 9 FT. FOR THE GALE
WATCH, SOUTHWEST TO WEST WINDS TO 45 KT WITH GUSTS TO 50 KT AND
SIGNIFICANT WAVES TO 9 FT OCCASIONALLY TO 12 FT POSSIBLE.
* WHERE...WINTHROP HARBOR TO NORTHERLY ISLAND IL.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 4 AM CDT THURSDAY.
FOR THE GALE WATCH, FROM THURSDAY EVENING THROUGH FRIDAY
EVENING.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND WAVES.
LMZ742-743-120400-
/O.CON.KLOT.SC.Y.0029.000000T0000Z-260312T0900Z/
/O.NEW.KLOT.GL.A.0007.260313T0300Z-260314T0000Z/
NORTHERLY ISLAND TO CALUMET HARBOR IL-
CALUMET HARBOR IL TO GARY IN-
250 PM CDT WED MAR 11 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
THURSDAY...
...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
EVENING...
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHWEST WINDS TO 25 KT
AND SIGNIFICANT WAVES TO 8 FT OCCASIONALLY TO 10 FT. FOR THE
GALE WATCH, SOUTHWEST TO WEST WINDS TO 45 KT WITH GUSTS TO 50
KT AND SIGNIFICANT WAVES TO 7 FT OCCASIONALLY TO 9 FT POSSIBLE.
* WHERE...NORTHERLY ISLAND TO CALUMET HARBOR IL AND CALUMET
HARBOR IL TO GARY IN.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 4 AM CDT THURSDAY.
FOR THE GALE WATCH, FROM THURSDAY EVENING THROUGH FRIDAY
EVENING.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND WAVES.
LMZ744-745-120400-
/O.CON.KLOT.SC.Y.0029.000000T0000Z-260312T1500Z/
/O.NEW.KLOT.GL.A.0007.260313T0300Z-260314T0000Z/
GARY TO BURNS HARBOR IN-BURNS HARBOR TO MICHIGAN CITY IN-
250 PM CDT WED MAR 11 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT
THURSDAY...
...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
EVENING...
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHWEST WINDS TO 30 KT
AND SIGNIFICANT WAVES TO 10 FT OCCASIONALLY TO 13 FT. FOR THE
GALE WATCH, SOUTHWEST TO WEST WINDS TO 45 KT WITH GUSTS TO 50
KT AND SIGNIFICANT WAVES TO 10 FT OCCASIONALLY TO 13 FT
POSSIBLE.
* WHERE...GARY TO MICHIGAN CITY IN.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 10 AM CDT THURSDAY.
FOR THE GALE WATCH, FROM THURSDAY EVENING THROUGH FRIDAY
EVENING.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND WAVES.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page