240
WHUS73 KDTX 202034
MWWDTX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
334 PM EST MON JAN 20 2025
LHZ421-441-210915-
/O.CON.KDTX.SC.Y.0005.000000T0000Z-250121T2100Z/
/O.CON.KDTX.UP.W.0001.250120T2100Z-250121T1500Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI-
334 PM EST MON JAN 20 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
TUESDAY...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 AM EST
TUESDAY...
* WHAT...DURING THE SMALL CRAFT ADVISORY, EXPECT SUSTAINED WINDS
UP TO 21 KNOTS FROM THE WEST WITH GUSTS UP TO 25 KNOTS. THE
LARGEST SIGNIFICANT WAVES WILL BE 3 FEET WITH A POTENTIAL
MAXIMUM WAVE HEIGHT OF 4 FEET. DURING 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...OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO
INNER SAGINAW BAY AND PORT AUSTIN TO HARBOR BEACH MI.
* WHEN...THE MAXIMUM WINDS ARE EXPECTED AROUND 7 PM EST MONDAY
WITH THE LARGEST WAVES EXPECTED AROUND 8 PM EST MONDAY.
* 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. CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
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.
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LHZ363-462>464-210915-
/O.CON.KDTX.UP.W.0001.250120T2100Z-250121T1500Z/
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
334 PM EST MON JAN 20 2025
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 AM EST
TUESDAY...
* WHAT...HEAVY FREEZING SPRAY AT A RATE OF 2 CM PER HOUR OR
GREATER EXPECTED, AND MAY RAPIDLY ACCUMULATE ON VESSELS.
* WHERE...LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND
5NM OFF SHORE, LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH
BEYOND 5NM OFF SHORE, LAKE HURON FROM HARBOR BEACH TO PORT
SANILAC BEYOND 5NM OFF SHORE AND LAKE HURON FROM PORT SANILAC
TO PORT HURON BEYOND 5NM OFF SHORE.
* WHEN...THE MAXIMUM WINDS ARE EXPECTED AROUND 6 PM EST MONDAY
WITH THE LARGEST WAVES EXPECTED AROUND 7 PM EST MONDAY.
* 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.
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.
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