Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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000
WHUS73 KDTX 210307
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1007 PM EST MON FEB 20 2017

...STRONGER SOUTHEAST WIND BUILDING WAVES TONIGHT...

.EAST-SOUTHEAST WINDS WILL CONTINUE TO INCREASE TONIGHT AND
PERSIST INTO TUESDAY MORNING AS STRONG HIGH PRESSURE RETREATS TO
THE EASTERN GREAT LAKES. A FRONTAL BOUNDARY WILL APPROACH THE
WESTERN GREAT LAKES. WARM AIR ABOVE THE COLD LAKE SURFACE WILL
KEEP FAIRLY STABLE CONDITIONS. NONETHELESS, THE GRADIENT WILL
INCREASE WITH A LONG TRAJECTORY OVER THE WATER WHICH WILL LIKELY
PRODUCE WAVES IN EXCESS OF 4 FEET.

LHZ442-211515-
/O.EXA.KDTX.SC.Y.0009.000000T0000Z-170221T1700Z/
HARBOR BEACH TO PORT SANILAC MI-
1007 PM EST MON FEB 20 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EST TUESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL NOON EST TUESDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 20 KNOTS FROM THE SOUTHEAST 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 1 AM EST TUESDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EST 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.

&&

$$

LHZ441-211515-
/O.CON.KDTX.SC.Y.0009.000000T0000Z-170221T1700Z/
PORT AUSTIN TO HARBOR BEACH MI-
1007 PM EST MON FEB 20 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EST
TUESDAY...

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 23 KNOTS FROM THE SOUTHEAST 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 1 AM EST TUESDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EST 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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