Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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000
WHUS73 KDTX 261945
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
345 PM EDT WED APR 26 2017

...GUSTY SOUTHWESTERLIES...

.MODERATE PRE-FRONTAL SOUTHEAST WIND WILL REMAIN IN PLACE THROUGH
TONIGHT. EXISTING HIGHER DEGREE OF STABILITY WILL CONTINUE TO LIMIT
HIGHER GUST POTENTIAL, WITH GUSTS CAPPED AT OR BELOW 25 KNOTS DURING
THIS TIME.  WINDS WILL TURN TO SOUTHWESTERLY AS A COLD FRONT SLIPS
THROUGH BY LATE THURSDAY.  THE COMBINATION OF INCREASINGLY GUSTY
CONDITIONS AND A PERIOD OF WAVE HEIGHTS ABOVE 3 FEET WILL LEAD TO A
MARGINAL SMALL CRAFT CONDITION THURSDAY ACROSS SAGINAW BAY AND THE
LAKE HURON NEARSHORE WATERS.  THERE WILL BE A LOW PROBABILITY FOR
THUNDERSTORMS WITH THE COLD FRONTAL PASSAGE EARLY THURSDAY
AFTERNOON.  WINDS AND WAVES WILL DIMINISH THURSDAY EVENING AS HIGH
PRESSURE BUILDS INTO THE REGION.  LOWER SOUTHWEST WINDS SPEEDS
EXPECTED FRIDAY AS THIS HIGH SUSTAINS A WEAKER GRADIENT.

LHZ421-422-271100-
/O.NEW.KDTX.SC.Y.0033.170427T1400Z-170428T0200Z/
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-
345 PM EDT WED APR 26 2017

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

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

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 23 KNOTS FROM THE SOUTHWEST WITH GUSTS
  UP TO 31 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 5 PM EDT
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 6 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.

&&

$$

LHZ441>443-271100-
/O.NEW.KDTX.SC.Y.0033.170427T1400Z-170428T0200Z/
PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI-
PORT SANILAC TO PORT HURON MI-
345 PM EDT WED APR 26 2017

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

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

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 22 KNOTS FROM THE SOUTHWEST 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 4 PM EDT
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 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.

&&

$$

MANN


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