Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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WHUS73 KDTX 231936
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
336 PM EDT THU APR 23 2015

...DIMINISHING WINDS...

.THE NORTHWEST GRADIENT AND COLD ADVECTION IN PLACE OVER THE CENTRAL
GREAT LAKES TODAY IS WEAKENING...AS SURFACE HIGH/RIDGE AXIS SLIDES
EAST INTO THE REGION TONIGHT INTO TOMORROW...ALLOWING FOR DECREASING
WINDS AND SUBSIDING WAVES...AND WILL ALLOW SMALL CRAFT ADVISORIES TO
EXPIRE. HIGH PRESSURE BUILDING INTO ONTARIO OVER THE WEEKEND...WHILE
LOW PRESSURE TRACKS ALONG THE OHIO RIVER...LEADING TO LIGHT TO
MODERATE NORTHEAST WINDS DEVELOPING. WITH THE LONG FETCH AND
FUNNELING...STRONGEST WINDS LOOK TO BE WITHIN SAGINAW BAY...WHERE
WINDS COULD REACH OR SLIGHTLY EXCEED 20 KNOTS...POSSIBLY SUPPORTING
WAVES AROUND 4 FEET.

LHZ441-442-232045-
/O.EXP.KDTX.SC.Y.0088.000000T0000Z-150423T2000Z/
PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI-
336 PM EDT THU APR 23 2015

...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 PM EDT THIS AFTERNOON...

THE SMALL CRAFT ADVISORY WILL EXPIRE AT 4 PM EDT THIS AFTERNOON.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 18 KNOTS FROM THE NORTHWEST WITH GUSTS
  UP TO 22 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 3 PM THURSDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 3 PM THURSDAY.

$$

SF


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