411
WHUS73 KLOT 092047
MWWLOT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
247 PM CST TUE DEC 9 2025
LMZ744-745-100500-
/O.EXP.KLOT.SC.Y.0110.000000T0000Z-251209T2100Z/
/O.CON.KLOT.GL.W.0030.251210T0300Z-251211T0000Z/
GARY TO BURNS HARBOR IN-BURNS HARBOR TO MICHIGAN CITY IN-
247 PM CST TUE DEC 9 2025
...GALE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 6 PM
CST WEDNESDAY...
* WHAT...SOUTHWEST GALES TO 35 KT BECOMING NORTHWEST TO 40 KT
WEDNESDAY MORNING AND SIGNIFICANT WAVES TO 14 FT OCCASIONALLY TO
18 FT EXPECTED.
* WHERE...GARY TO MICHIGAN CITY IN.
* WHEN...FROM 9 PM THIS EVENING TO 6 PM CST WEDNESDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
* ADDITIONAL DETAILS...SNOW SQUALLS MAY ACCOMPANY THE NORTHWEST
WIND SHIFT WEDNESDAY MORNING.
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.
LMZ740>743-100500-
/O.CON.KLOT.GL.W.0030.251210T0300Z-251210T2100Z/
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
CALUMET HARBOR IL TO GARY IN-
247 PM CST TUE DEC 9 2025
...GALE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 3 PM
CST WEDNESDAY...
* WHAT...SOUTHWEST GALES TO 35 KT BECOMING NORTHWEST TO 40 KT
WEDNESDAY MORNING AND SIGNIFICANT WAVES TO 10 FT OCCASIONALLY TO
13 FT EXPECTED.
* WHERE...WINTHROP HARBOR TO CALUMET HARBOR IL, AND CALUMET
HARBOR IL TO GARY IN.
* WHEN...FROM 9 PM THIS EVENING TO 3 PM CST WEDNESDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
* ADDITIONAL DETAILS...SNOW SQUALLS MAY ACCOMPANY THE NORTHWEST
WIND SHIFT WEDNESDAY MORNING.
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.
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