438
WHUS73 KDTX 170038
MWWDTX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
838 PM EDT THU APR 16 2026
LHZ442-443-463-464-171400-
/O.NEW.KDTX.MF.Y.0007.260417T0038Z-260417T1400Z/
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
838 PM EDT THU APR 16 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT FRIDAY
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO 1/4 NM OR LESS.
* WHERE...HARBOR BEACH TO PORT SANILAC MI, PORT SANILAC TO PORT
HURON MI, 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...UNTIL 10 AM EDT FRIDAY.
* IMPACTS...LOW VISIBILITY WILL MAKE NAVIGATION DIFFICULT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU MUST NAVIGATE, PROCEED WITH CAUTION. USE PROPER FOG
SIGNALS. MAKE SURE ALL RUNNING LIGHTS ARE ON. REMEMBER TO USE
YOUR RADAR AND COMPASS.
LCZ460-LHZ361>363-421-422-441-462-171400-
/O.NEW.KDTX.MF.Y.0007.260417T0600Z-260417T1400Z/
LAKE ST CLAIR-
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-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
PORT AUSTIN TO HARBOR BEACH MI-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
838 PM EDT THU APR 16 2026
..DENSE FOG ADVISORY IN EFFECT FROM 2 AM TO 10 AM EDT FRIDAY
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO 1/4 NM OR LESS.
* WHERE...PORTIONS OF LAKE HURON AND LAKE ST CLAIR.
* WHEN...FROM 2 AM TO 10 AM EDT FRIDAY.
* IMPACTS...LOW VISIBILITY WILL MAKE NAVIGATION DIFFICULT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU MUST NAVIGATE, PROCEED WITH CAUTION. USE PROPER FOG
SIGNALS. MAKE SURE ALL RUNNING LIGHTS ARE ON. REMEMBER TO USE
YOUR RADAR AND COMPASS.
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