879
WHUS73 KIWX 180828
MWWIWX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTHERN INDIANA
328 AM EST SUN JAN 18 2026
LMZ043-046-181630-
/O.CON.KIWX.SC.Y.0008.000000T0000Z-260119T0600Z/
/O.UPG.KIWX.GL.A.0002.260119T0600Z-260120T0000Z/
/O.NEW.KIWX.GL.W.0004.260119T0600Z-260119T2100Z/
/O.UPG.KIWX.UP.A.0001.260119T0600Z-260120T0000Z/
/O.NEW.KIWX.UP.W.0001.260119T0600Z-260120T1200Z/
NEW BUFFALO MI TO ST JOSEPH MI-MICHIGAN CITY IN TO NEW BUFFALO MI-
328 AM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST MONDAY
..GALE WARNING IN EFFECT FROM 1 AM TO 4 PM EST MONDAY
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 1 AM MONDAY TO
7 AM EST TUESDAY...
* WHAT...FOR THE SMALL CRAFT ADVISORY, WAVES 2 TO 5 FEET. FOR
THE GALE WARNING, WEST WINDS 20 TO 30 KNOTS WITH GUSTS UP TO
40 KNOTS AND WAVES 8 TO 13 FEET EXPECTED. FOR THE HEAVY
FREEZING SPRAY WARNING, HEAVY FREEZING SPRAY AT A RATE OF 2 CM
PER HOUR OR GREATER EXPECTED, AND MAY RAPIDLY ACCUMULATE ON
VESSELS.
* WHERE...MICHIGAN CITY IN TO ST JOSEPH MI.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 1 AM EST MONDAY.
FOR THE GALE WARNING, FROM 1 AM TO 4 PM EST MONDAY. FOR THE
HEAVY FREEZING SPRAY WARNING, FROM 1 AM MONDAY TO 7 AM EST
TUESDAY.
* IMPACTS...OPERATING A VESSEL IN HEAVY FREEZING SPRAY IS
HAZARDOUS. FREEZING SPRAY MAY RENDER MECHANICAL AND ELECTRONIC
COMPONENTS INOPERATIVE. RAPID ICE ACCRETION ON DECKS AND
SUPERSTRUCTURES MAY RESULT IN A CATASTROPHIC LOSS OF STABILITY.
STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD CAPSIZE OR
DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD PREPARE FOR DANGEROUS ACCUMULATION OF ICE ON
THEIR VESSEL. IF POSSIBLE, REMAIN IN PORT, AVOID THE WARNING AREA
OR CONDUCT MITIGATION.
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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