Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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000
WHUS73 KDTX 270936
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
536 AM EDT MON APR 27 2015

...ROUGH BOATING CONDITIONS ON SOUTHERN LAKE HURON TODAY...

.NORTHERLY FLOW WILL WEAKEN WITH TIME TODAY AS THE MIDLEVEL TROUGH
AXIS SWINGS SOUTHWARD AWAY FROM THE STATE. WAVES WILL HOWEVER
REMAIN HAZARDOUS TO SMALL CRAFT UNTIL LATE THIS AFTERNOON. A
RIDGE OF SURFACE HIGH PRESSURE WILL THEN BUILD INTO THE
STATE...ESPECIALLY TONIGHT. THIS AREA OF HIGH PRESSURE IS EXPECTED
TO YIELD A RUN OF WEAK WINDS OVER THE MARINE AREAS TUESDAY AND
WEDNESDAY. A NEXT SURGE IN NORTHERLY WINDS IS EXPECTED TO DEVELOP
ON THURSDAY IN THE WAKE OF A WEAK SURFACE LOW OR TROUGH AXIS.

LHZ421-441>443-272100-
/O.EXT.KDTX.SC.Y.0089.000000T0000Z-150427T2100Z/
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-
536 AM EDT MON APR 27 2015

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 19 KNOTS FROM THE NORTH WITH GUSTS UP
  TO 23 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 10 AM MONDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 5 AM MONDAY.

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.

&&

$$

SC


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