240
WHUS73 KDTX 222051
MWWDTX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
351 PM EST THU JAN 22 2026
LHZ363-462>464-230915-
/O.CON.KDTX.GL.W.0005.000000T0000Z-260123T0900Z/
/O.CON.KDTX.UP.W.0003.000000T0000Z-260124T1100Z/
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-
351 PM EST THU JAN 22 2026
..GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST FRIDAY
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 6 AM EST
SATURDAY...
* WHAT...DURING THE GALE WARNING, EXPECT SUSTAINED WINDS UP TO
29 KNOTS FROM THE WEST WITH GUSTS UP TO 36 KNOTS. THE LARGEST
SIGNIFICANT WAVES WILL BE 8 FEET WITH A POTENTIAL MAXIMUM WAVE
HEIGHT OF 11 FEET. DURING THE HEAVY FREEZING SPRAY WARNING,
HEAVY FREEZING SPRAY AT A RATE OF 2 CM PER HOUR OR GREATER 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...DURING THE GALE WARNING, THE MAXIMUM WINDS ARE EXPECTED
AROUND 10 PM EST THURSDAY WITH THE LARGEST WAVES EXPECTED
AROUND 11 PM EST THURSDAY. DURING THE HEAVY FREEZING SPRAY
WARNING, THE MAXIMUM WINDS ARE EXPECTED AROUND 10 PM EST
THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 11 AM EST
FRIDAY.
* 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.
LHZ361-362-230915-
/O.CON.KDTX.UP.W.0003.000000T0000Z-260124T1100Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
351 PM EST THU JAN 22 2026
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 6 AM EST
SATURDAY...
* WHAT...HEAVY FREEZING SPRAY AT A RATE OF 2 CM PER HOUR OR
GREATER MAY RAPIDLY ACCUMULATE ON VESSELS.
* WHERE...LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE
ISLE LT BEYOND 5 NM OFF SHORE AND LAKE HURON FROM PRESQUE ISLE
LIGHT TO STURGEON POINT MI BEYOND 5NM OFF SHORE.
* WHEN...THE MAXIMUM WINDS ARE EXPECTED AROUND 10 PM EST
THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 AM EST
FRIDAY.
* 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.
LEZ444-230900-
/O.NEW.KDTX.LO.Y.0005.260122T2051Z-260123T0900Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
351 PM EST THU JAN 22 2026
..LOW WATER ADVISORY IN EFFECT UNTIL 4 AM EST FRIDAY
* WHAT...ABNORMALLY LOW WATER LEVELS.
* WHERE...MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO
NORTH CAPE MI.
* WHEN...THE MAXIMUM WINDS ARE EXPECTED AROUND 3 AM EST FRIDAY
WITH THE LARGEST WAVES EXPECTED AROUND.
* IMPACTS...BELOW NORMAL WATER LEVELS WILL RESULT IN HAZARDOUS
NAVIGATING CONDITIONS.
* ADDITIONAL DETAILS...AT TOLEDO, THE CRITICAL MARK FOR SAFE
NAVIGATION IS CURRENTLY 9 INCHES BELOW THE LOW WATER DATUM. AS
OF 315 PM EST, THE WATER LEVEL AT TOLEDO IS 7 INCHES BELOW THE
LOW WATER DATUM AND FALLING. THE LOWEST WATER LEVELS ARE
EXPECTED TO OCCUR THIS EVENING INTO EARLY FRIDAY MORNING BEFORE
THEY SLOWLY RISE TOMORROW MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD NAVIGATE SHALLOW WATERS WITH EXTREME CAUTION DUE
TO BELOW NORMAL WATER LEVELS.
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