Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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463
WHUS73 KDTX 281949
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
349 PM EDT FRI APR 28 2017

...NORTHEAST WINDS DEVELOPING OVER LAKE HURON TONIGHT...

.GUSTY SOUTHWESTERLY WINDS OVER THE MORNING WILL SLOWLY CONTINUE TO
DIMINISH THIS AFTERNOON.  RELATIVELY LIGHT WINDS ARE THEN EXPECTED
BY EARLY TONIGHT BEFORE STRONG HIGH PRESSURE BUILDS INTO ONTARIO AND
LOW PRESSURE BEGINS TO ORGANIZE OVER THE PLAINS.  THIS WILL BRING AN
INCREASE IN NORTH/NORTHEAST WINDS TO THE MARINE AREAS AND
POTENTIALLY ALLOWING WAVES TO BUILD HIGH ENOUGH TO WARRANT A SMALL
CRAFT ADVISORY FOR NEARSHORE WATERS OF LAKE HURON AND SAGINAW BAY.
MONDAY WILL THEN SEE WAVE HEIGHTS DECREASING AS SOUTHERLY WINDS TAKE
OVER AHEAD OF A COLD FRONT.  HOWEVER, WINDS WILL ONCE AGAIN GUST UP
TO 30 KNOTS.  AS THE LOW APPROACHES THE GREAT LAKES REGION THIS
WEEKEND, AN INCREASINGLY UNSETTLED, WET PATTERN WILL SET UP.
THUNDERSTORMS WILL ALSO BE POSSIBLE SUNDAY INTO MONDAY.

LHZ421-422-290800-
/O.CAN.KDTX.SC.Y.0033.000000T0000Z-170428T2000Z/
/O.NEW.KDTX.SC.Y.0034.170429T0700Z-170501T1000Z/
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-
349 PM EDT FRI APR 28 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM SATURDAY TO 6 AM EDT
MONDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 3 AM SATURDAY TO
6 AM EDT MONDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 23 KNOTS FROM THE EAST WITH GUSTS UP TO
  32 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 6
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 8 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 7 AM EDT SUNDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 6 PM EDT SUNDAY.

THE SMALL CRAFT ADVISORY HAS BEEN CANCELLED.

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.

&&

$$

SF



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