Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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000
WHUS73 KDTX 162101
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
401 PM EST TUE DEC 16 2014

...WESTERLY WINDS INCREASING TONIGHT THROUGH WEDNESDAY...

.THE CENTER OF THE SFC LOW IS NOW OVER THE EASTERN GREAT LAKES AND
WILL CONTINUE ITS PUSH EAST THROUGH THE OVERNIGHT. THIS WILL OPEN
THE DOOR FOR STRONG WESTERLY FLOW WITH COLD AIR ADVECTION ACROSS THE
LAKES. MIXING DEPTHS UP TO AROUND 900MB WILL TAP INTO THE STRONGEST
FLOW WHICH IS ONLY FORECAST TO BE AROUND 35 KNOTS AT THAT LEVEL. IT
SHOULD NOT TAKE TOO MUCH TO BRING SOME HIGHER GUSTS DOWN THOUGH
WITH SUSTAINED FLOW PUSHING 20 KNOTS. HAVE ISSUED SMALL CRAFT
ADVISORIES FOR ALL NEARSHORE ZONES STARTING WITH LAKE ERIE THIS
EVENING...FOLLOWED BY THE LAKE HURON ZONES AND LAKE ST CLAIR LATE
TONIGHT FOR THESE ELEVATED WINDS. WAVES WILL ALSO REACH CRITERIA IN
SOME OF THE LAKE HURON ZONES BUT OFFSHORE FLOW WILL KEEP WAVE
HEIGHTS DOWN SOMEWHAT ALONG WITH SOME ICE COVER SHOWING UP IN INNER
SAGINAW BAY. WINDS WILL DECREASE BELOW CRITERIA WEDNESDAY AFTERNOON
BUT WILL STAY ELEVATED THROUGH WEDNESDAY NIGHT AS THE VEER TO THE
NORTHWEST.

LHZ421-422-441>443-170915-
/O.NEW.KDTX.SC.Y.0064.141217T0900Z-141217T2100Z/
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-
401 PM EST TUE DEC 16 2014

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 4 PM EST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 4 PM EST
WEDNESDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 23 KNOTS FROM THE WEST WITH GUSTS UP TO
  28 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 5
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 7 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 AM WEDNESDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 3 PM WEDNESDAY.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

LCZ460-170915-
/O.NEW.KDTX.SC.Y.0064.141217T0900Z-141217T2100Z/
LAKE ST. CLAIR-
401 PM EST TUE DEC 16 2014

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 4 PM EST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 4 PM EST
WEDNESDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 20 KNOTS FROM THE WEST WITH GUSTS UP TO
  26 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 2
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 2 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 5 AM WEDNESDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 6 AM WEDNESDAY.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

LEZ444-170915-
/O.NEW.KDTX.SC.Y.0064.141217T0300Z-141217T2100Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
401 PM EST TUE DEC 16 2014

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 4 PM
EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING
TO 4 PM EST WEDNESDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 22 KNOTS FROM THE WEST WITH GUSTS UP TO
  28 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 3
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 4 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 5 AM WEDNESDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 5 AM WEDNESDAY.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

DRK



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