Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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WHUS73 KDTX 211502
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1002 AM EST SAT JAN 21 2017

...DENSE FOG AFFECT THE GREAT LAKES TODAY AND TONIGHT...

.DENSE FOG WILL IMPACT THE WATERS THROUGH AT LEAST SUNDAY MORNING,
THOUGH CLEARING IS POSSIBLE FOR LAKES SAINT CLAIR AND THE MICHIGAN
WATERS OF LAKE ERIE DURING THE DAYTIME HOURS TODAY. DENSE FOG
ADVISORIES ARE NOW IN EFFECT FOR ALL MARINE ZONES. WINDS AND WAVES
WILL REMAIN QUIET UNTIL LATE SUNDAY WHEN STRENGTHENING LOW PRESSURE
WELL TO THE SOUTH WILL BRING A PERIOD OF FRESH EASTERLIES THAT WILL
PERSIST WELL INTO MONDAY. ONSHORE FLOW WILL BUILD WAVES TOWARD SMALL
CRAFT ADVISORY CRITIERA DURING THIS TIME...CONDITIONAL ON ICE COVER
AS USUAL.

LCZ460-220315-
/O.EXP.KDTX.MF.Y.0001.000000T0000Z-170121T1500Z/
/O.NEW.KDTX.MF.Y.0003.170121T1502Z-170122T1500Z/
LAKE ST. CLAIR-
1002 AM EST SAT JAN 21 2017

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EST SUNDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
DENSE FOG ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM EST SUNDAY.

* EXPECT DENSE FOG WITH VISIBILITIES OF ONE QUARTER OF A MILE OR
  LESS UNTIL 10 AM EST SUNDAY.

THE DENSE FOG ADVISORY IS NO LONGER IN EFFECT.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE MILE. INEXPERIENCED MARINERS...
ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID
NAVIGATING IN THESE CONDITIONS.

&&

$$

LEZ444-211615-
/O.EXP.KDTX.MF.Y.0001.000000T0000Z-170121T1500Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
1002 AM EST SAT JAN 21 2017

...DENSE FOG ADVISORY HAS EXPIRED...

THE DENSE FOG ADVISORY IS NO LONGER IN EFFECT.

$$

LHZ421-422-441>443-462>464-220315-
/O.CON.KDTX.MF.Y.0001.000000T0000Z-170122T1500Z/
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-HARBOR BEACH TO PORT SANILAC MI-
PORT SANILAC TO PORT HURON MI-
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-
1002 AM EST SAT JAN 21 2017

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST SUNDAY...

* EXPECT DENSE FOG WITH VISIBILITIES OF ONE QUARTER OF A MILE OR
  LESS UNTIL 10 AM EST SUNDAY.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE MILE. INEXPERIENCED MARINERS...
ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID
NAVIGATING IN THESE CONDITIONS.

&&

$$

LHZ361>363-220315-
/O.CON.KDTX.MF.Y.0002.170121T1800Z-170122T1500Z/
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-
1002 AM EST SAT JAN 21 2017

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST SUNDAY...

* EXPECT DENSE FOG WITH VISIBILITIES OF ONE QUARTER OF A MILE OR
  LESS UNTIL 10 AM EST SUNDAY.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE MILE. INEXPERIENCED MARINERS...
ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID
NAVIGATING IN THESE CONDITIONS.

&&

$$

CB



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