Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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348
WHUS73 KDTX 170203
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1003 PM EDT MON OCT 16 2017

...STRONG SOUTHWEST WIND OVER SAGINAW BAY...

.SURFACE HIGH PRESSURE WILL BUILD IN ACROSS THE OHIO RIVER VALLEY
AND SOUTHEASTERN US AS ANOTHER LOW PRESSURE SYSTEM TO OUR NORTH
MOVES THROUGH NORTHERN ONTARIO. LOWER MICHIGAN WILL BE PLACED IN
BETWEEN THESE TWO SYSTEM AND ALLOW THE WIND TO STRENGTHEN OUT OF
THE SOUTHWEST LATE TONIGHT THROUGH TUESDAY AFTERNOON. A LONG FETCH
OF GUSTY WINDS OUT OF THE SOUTHWEST AT 20-30 KNOTS WILL SET UP
FOR MUCH OF THE LAKE HURON BASIN AND SAGINAW BAY. THESE WINDS
SHOULD PERSIST OVER THE NEXT COUPLE OF DAYS AS GRADIENT WINDS WILL
REMAIN ELEVATED WITHIN THIS REGIME.

LHZ421-422-441-171415-
/O.EXT.KDTX.SC.Y.0067.171017T0700Z-171017T2200Z/
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-
PORT AUSTIN TO HARBOR BEACH MI-
1003 PM EDT MON OCT 16 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 3 AM TO 6 PM EDT
TUESDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT FROM 3 AM TO 6 PM EDT
TUESDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 23 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 7 AM EDT TUESDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 12 PM EDT TUESDAY.

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.

&&

$$

BT



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