Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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000
WHUS73 KDTX 140837
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
337 AM EST THU DEC 14 2017

...WAVES SLOWLY DECREASING TODAY...

.NORTHEAST WINDS GUSTING INTO THE 25 TO 30 KNOT RANGE WILL STEADILY
EASE AND BACK TO THE NORTHWEST THIS MORNING. IN RESPONSE, WAVES IN
THE 5 TO 7 FOOT RANGE WILL GRADUALLY SUBSIDE AND SHIFT EAST AWAY
FORM THE NEARSHORE WATERS. SMALL CRAFT ADVISORIES WILL CONTINUE INTO
THE AFTERNOON DUE TO THE WAVES. THE NEXT CLIPPER DISTURBANCE WILL
ARRIVE ON FRIDAY, BRINGING A RENEWED THREAT OF SNOW SQUALLS TO LAKE
HURON. WHILE WINDS WILL LIKELY GUST INTO THE 25 TO 30 KNOT RANGE,
BOTH IN THE SOUTHWEST AND NORTHWEST FLOW AHEAD OF AND BEHIND THIS
SYSTEM, WIDESPREAD GALE CONDITIONS ARE NOT ANTICIPATED. WIND WILL
EASE INTO SATURDAY AS ARCTIC HIGH PRESSURE BRUSHES BY TO THE NORTH.

LHZ421-441>443-142045-
/O.EXT.KDTX.SC.Y.0096.000000T0000Z-171214T2100Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI-
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
337 AM EST THU DEC 14 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 24 KNOTS FROM THE NORTH WITH GUSTS UP TO
  32 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 7 FEET
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 10 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 AM EST
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST
  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.

&&

$$

LHZ422-141000-
/O.CON.KDTX.SC.Y.0096.000000T0000Z-171214T1000Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
337 AM EST THU DEC 14 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST EARLY
THIS MORNING...

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 24 KNOTS FROM THE NORTH WITH GUSTS UP TO
  32 KNOTS. INNER SAGINAW BAY IS ICED COVERED AND WAVES HAVE BEEN
  OMITTED.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 AM EST 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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