Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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000
WHUS73 KDTX 300753
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
353 AM EDT THU MAR 30 2017

...INCREASING EASTERLY WINDS AND ELEVATED WAVES...

.THERE WILL BE A STEADY INCREASE IN EASTERLY WINDS TODAY INTO
TONIGHT. THIS WILL BE THE RESULT OF THE INCREASE IN GRADIENT DUE TO
THE APPROACH OF SFC LOW PRESSURE INTO THE OHIO VALLEY WITH
PERSISTENT STRONG HIGH PRESSURE ANCHORED OVER QUEBEC. LINGERING
SHALLOW COLD AIR WILL ALSO SUPPORT NEUTRAL TO SLIGHTLY UNSTABLE
CONDITIONS ACROSS LAKE HURON. THIS EASTERLY WIND DIRECTION WILL
SUPPORT HAZARDOUS CONDITIONS TO SMALL CRAFT TODAY THROUGH THE DAY
FRIDAY. THE STRONGEST WINDS WILL OCCUR TONIGHT ACROSS CENTRAL AND
NORTHERN LAKE HURON. THERE REMAINS HIGH PROBABILITY THAT WIND GUSTS
WILL REACH 30 KNOTS, WITH A CHANCE FOR A BRIEF PERIOD OF GALE FORCE
WIND GUSTS (DURATION OF WHICH SHOULD REMAIN LESS THAN THREE HOURS).
THE WINDS WILL BACK TOWARD THE NORTHEAST TONIGHT INTO FRIDAY MORNING
BEFORE WEAKENING LATER IN THE DAY FRIDAY AS THE SFC LOW EXITS THE
REGION TO THE EAST AND WEAKENS.

LHZ422-302015-
/O.EXA.KDTX.SC.Y.0024.170330T2100Z-170401T0800Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
353 AM EDT THU MAR 30 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
4 AM EDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 4 AM EDT SATURDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 24 KNOTS FROM THE EAST WITH GUSTS UP TO
  27 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 4
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 5 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM EDT
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 10 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.

&&

$$

LHZ443-302015-
/O.EXT.KDTX.SC.Y.0024.170330T2100Z-170401T0800Z/
PORT SANILAC TO PORT HURON MI-
353 AM EDT THU MAR 30 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO
4 AM EDT SATURDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT FROM 5 PM THIS
AFTERNOON TO 4 AM EDT SATURDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 18 KNOTS FROM THE EAST 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 5 PM EDT
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 AM EDT
  SATURDAY.

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.

&&

$$

LHZ421-441-442-302015-
/O.CON.KDTX.SC.Y.0024.170330T2100Z-170401T0800Z/
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-
353 AM EDT THU MAR 30 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 4 AM EDT SATURDAY...

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 25 KNOTS FROM THE EAST WITH GUSTS UP TO
  28 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 8
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 11 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 9 PM EDT
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 AM EDT
  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.

&&

$$

LEZ444-302015-
/O.CON.KDTX.SC.Y.0024.170330T1200Z-170331T0200Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
353 AM EDT THU MAR 30 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING
TO 10 PM EDT THIS EVENING...

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 22 KNOTS FROM THE EAST WITH GUSTS UP TO
  25 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 4
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 5 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 1 PM EDT
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 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.

&&

$$

DRK


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