Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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000
WHUS73 KDTX 191943
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
343 PM EDT TUE MAY 19 2015

...LARGE WAVES BUILDING OVER SOUTHERN LAKE HURON TONIGHT...

.STRONG NORTHWEST FLOW UP TO 30 KNOTS OVER NORTHERN LAKE HURON WILL
SLOWLY EASE TONIGHT AS RIDGE OF HIGH PRESSURE BUILDS INTO THE
CENTRAL GREAT LAKES TOMORROW MORNING. HOWEVER...COLD AIRMASS COMING
OVER THE WATERS WILL LEAD TO UNSTABLE CONDITIONS CONDUCIVE TO
GOOD WAVE GROWTH...AND SMALL CRAFT ADVISORIES CONTINUE THROUGH
TONIGHT FOR MUCH OF THE NEARSHORE WATERS OF LAKE HURON.

WITH SURFACE HIGH PRESSURE HOLDING WEDNESDAY AND THURSDAY...BOATING
CONDITIONS WILL BE FAVORABLE WITH LIGHT WINDS AND DRY
CONDITIONS...LIKELY PERSISTING INTO THE WEEKNIGHT.

LHZ443-200800-
/O.EXB.KDTX.SC.Y.0092.150519T1943Z-150520T1400Z/
PORT SANILAC TO PORT HURON MI-
343 PM EDT TUE MAY 19 2015

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM EDT
WEDNESDAY.

* 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 5 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 7 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 5 AM WEDNESDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 6 AM WEDNESDAY.

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.

&&

$$

LHZ421-441-442-200800-
/O.EXT.KDTX.SC.Y.0092.150519T1943Z-150520T1400Z/
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-
343 PM EDT TUE MAY 19 2015

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EDT WEDNESDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 10 AM EDT
WEDNESDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 20 KNOTS FROM THE NORTHWEST WITH GUSTS UP
  TO 26 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 1 AM WEDNESDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 4 AM WEDNESDAY.

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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