Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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502
WHUS73 KDTX 090847
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
347 AM EST FRI DEC 9 2016

...LARGE WAVES OVER SOUTHERN LAKE HURON WILL SLOWLY SUBSIDE
THROUGH LATE MORNING...

.WINDS AND WAVES WILL CONTINUE TO DECREASE OVER THE CENTRAL GREAT
LAKES TODAY AS LOW PRESSURE CONTINUES TO MOVE THROUGH EASTERN
CANADA. NORTHWEST WINDS WILL CONTINUE TO FUNNEL COLD AIR INTO THE
AREA TODAY AND TONIGHT, GENERATING LAKE EFFECT SNOW SQUALLS OVER
LAKE HURON THROUGH EARLY SATURDAY. WINDS OVER THE NORTHERN HALF OF
LAKE HURON WILL BE FAIRLY LIGHT TONIGHT AND SATURDAY AS WEAK LOW
PRESSURE BECOMES ESTABLISHED, BUT WEST WINDS WILL INCREASE OVER
SOUTHERN LAKE HURON, LAKE ST CLAIR AND WESTERN LAKE ERIE DURING THIS
TIMEFRAME AS HIGH PRESSURE BUILDS SOUTH OF THE AREA. WIND GUSTS LOOK
TO REMAIN BELOW 25 KNOTS, HOWEVER. A STRONGER LOW PRESSURE SYSTEM
WILL LIFT ACROSS THE SOUTHERN GREAT LAKES SUNDAY NIGHT INTO MONDAY,
BRINGING SNOW AND PERHAPS SOME RAIN TO AT LEAST PORTIONS OF THE AREA.

LHZ421-091100-
/O.CON.KDTX.SC.Y.0081.000000T0000Z-161209T1100Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
347 AM EST FRI DEC 9 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST EARLY
THIS MORNING...

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 17 KNOTS FROM THE NORTHWEST WITH GUSTS
  UP TO 22 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 4 AM EST FRIDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EST FRIDAY.

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.

&&

$$

LHZ441-442-091500-
/O.CON.KDTX.SC.Y.0081.000000T0000Z-161209T1500Z/
PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI-
347 AM EST FRI DEC 9 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 19 KNOTS FROM THE NORTHWEST WITH GUSTS
  UP TO 24 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 4 AM EST FRIDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EST FRIDAY.

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.

&&

$$

HLO



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