Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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WHUS73 KDTX 310748
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
348 AM EDT WED AUG 31 2016

...PROLONGED NORTHERLY WINDS...

.A COLD FRONT WILL CONTINUE ON A SOUTHWARD TRACK ACROSS SRN LOWER MI
THIS MORNING BEFORE SETTLING INTO NRN OHIO THIS AFTERNOON. POST
FRONTAL NORTHWEST WINDS WILL INCREASE ACROSS LAKE HURON THROUGHOUT
THE DAY AS COLDER AIR ADVECTS ACROSS THE LAKE. GUSTS OVER THE
SOUTHERN HALF OF THE LAKE WILL LIKELY REACH 20 KNOTS BY AFTERNOON. A
REINFORCING SHOT OF COLD AIR WILL ARRIVE TONIGHT UNDER STRENGTHENING
NORTHERLY WINDS. THE WINDS WILL INCREASE ON LAKES ST CLAIR AND ERIE
IN ADDITION TO LAKE HURON. THESE GUSTY WINDS WILL PERSIST THROUGH
THE DAY THURSDAY. THERE IS A HIGH PROBABILITY THAT WIND GUSTS IN THE
TONIGHT THROUGH THURS EVENING PERIOD WILL RANGE FROM 25 TO 30 KNOTS
ACROSS SRN LAKE HURON. THIS WILL LEAD TO RATHER TREACHEROUS
CONDITIONS FOR SMALL CRAFT. THE DEPTH OF THE COLD AIR OVER THE LAKE
COMBINED WITH RELATIVELY WARM LAKE TEMPERATURES WILL ALSO BE
SUPPORTIVE OF WATERSPOUT DEVELOPMENT LATE TODAY THROUGH THURSDAY
NIGHT. WINDS ARE FORECAST TO VEER TOWARD THE NORTHEAST LATE THURS
INTO THURS NIGHT. HIGH PRESSURE WILL BE SLOW TO BUILD INTO THE
REGION FROM THE NORTH LATE IN THE WEEK. SO THE DECREASE IN WIND
SPEEDS WILL BE VERY GRADUAL THURS NIGHT THROUGH FRIDAY.

LHZ421-441-312000-
/O.NEW.KDTX.SC.Y.0051.160901T0200Z-160902T0200Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI-
348 AM EDT WED AUG 31 2016

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
10 PM EDT THURSDAY...

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

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 19 KNOTS FROM THE NORTH WITH GUSTS UP
  TO 25 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 11 PM EDT
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 1 AM EDT
  THURSDAY.

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.

&&

$$

LHZ442-443-312000-
/O.NEW.KDTX.SC.Y.0051.160901T1200Z-160902T0200Z/
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
348 AM EDT WED AUG 31 2016

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 10 PM EDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 8 AM TO 10 PM EDT
THURSDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 19 KNOTS FROM THE NORTH WITH GUSTS UP
  TO 26 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 6 PM EDT
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 5 PM EDT
  THURSDAY.

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.

&&

$$

SF



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