Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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WHUS73 KDTX 150858
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
358 AM EST FRI DEC 15 2017

...SMALL CRAFT CONDITIONS FOR HIGH WAVES LATE TODAY AND TONIGHT...

.HIGH PRESSURE IS IN PLACE ACROSS THE SOUTHERN LAKES WHILE THE NEXT
CLIPPER BEGINS TO TRACK ACROSS LAKE SUPERIOR. THIS CLIPPER WILL
BRING GUSTY SOUTHWESTERLY WINDS AND ELEVATED WAVES BACK TO LAKE
HURON THIS AFTERNOON. THOUGH GUSTS SHOULD STAY BELOW GALE FORCE THEY
MAY REACH 30 KNOTS THIS AFTERNOON BEFORE TURNING NORTHWEST BEHIND
THE DEPARTING SYSTEM THIS EVENING. THE WINDS WILL RESULT IN ELEVATED
WAVES AROUND THE TIP OF THE THUMB THIS AFTERNOON THROUGH TONIGHT
NECESSITATING A SMALL CRAFT ADVISORY FOR A PORTION OF THE NEARSHORE
WATERS. WINDS DECREASE AND TURN OUT OF THE EAST THIS WEEKEND AS A
HIGH PRESSURE SYSTEM DRIFTS JUST NORTH OF THE GREAT LAKES.

LHZ421-152145-
/O.EXP.KDTX.SC.Y.0096.000000T0000Z-171215T0900Z/
/O.NEW.KDTX.SC.Y.0097.171215T2100Z-171216T0900Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
358 AM EST FRI DEC 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 AM EST SATURDAY...

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

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 24 KNOTS FROM THE WEST WITH GUSTS UP TO
  30 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 PM EST FRIDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 9 PM 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.

&&

$$

LHZ441-152145-
/O.NEW.KDTX.SC.Y.0097.171215T2100Z-171216T0900Z/
PORT AUSTIN TO HARBOR BEACH MI-
358 AM EST FRI DEC 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 AM EST SATURDAY...

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

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 24 KNOTS FROM THE WEST WITH GUSTS UP TO
  30 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 6
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 8 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 7 PM EST FRIDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 9 PM 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.

&&

$$

MR



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