Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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WHUS73 KDTX 272058
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
358 PM EST SAT DEC 27 2014

...A SHORT PERIOD OF GALES TONIGHT...

.THE SURFACE LOW EXITING THE STRAITS DURING THE AFTERNOON IS
DEEPENING ON SCHEDULE WITH MODEL DEPICTIONS...AND WIND GUSTS POST
FRONT OVER SOUTHERN LAKE MICHIGAN ARE ALREADY NEAR 30 KNOTS. THIS
SUPPORTS UPGRADING TO A GALE WARNING FOR ABOUT A 6 HOUR PERIOD
TONIGHT FOR FREQUENT GUSTS BY THE TIME THE POST-FRONTAL NORTHWEST
FLOW ARRIVES OVER NORTHERN LAKE HURON. SMALL CRAFT ADVISORIES REMAIN
IN EFFECT FOR SAGINAW BAY AND THE NEARSHORE WATERS TO HARBOR BEACH
FOR A COMBINATION OF 30 KNOT GUSTS AND HIGH WAVES. MUCH COLDER AIR
WILL SURGE OVER THE GREAT LAKES AND REMAIN IN PLACE...BUT HIGH
PRESSURE WILL BRING LIGHTER WIND DURING THE FIRST HALF OF THE WEEK.

LHZ361-362-280900-
/O.UPG.KDTX.GL.A.0030.141228T0000Z-141228T0900Z/
/O.NEW.KDTX.GL.W.0035.141228T0000Z-141228T0900Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
358 PM EST SAT DEC 27 2014

...GALE WARNING IN EFFECT FROM 7 PM THIS EVENING TO 4 AM EST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 4 AM EST
SUNDAY.

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED
  WINDS UP TO 29 KNOTS FROM THE WEST WITH GUSTS UP TO 35 KNOTS.
  THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET WITH A
  POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM SATURDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 11 PM SATURDAY.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LHZ422-280900-
/O.EXB.KDTX.SC.Y.0067.141227T2058Z-141228T0900Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
358 PM EST SAT DEC 27 2014

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST SUNDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM EST SUNDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 23 KNOTS FROM THE WEST WITH GUSTS UP TO
  30 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 7 PM SATURDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 7 PM SATURDAY.

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.

&&

$$

LHZ421-441-280900-
/O.EXT.KDTX.SC.Y.0067.141227T2058Z-141228T0900Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI-
358 PM EST SAT DEC 27 2014

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EST SUNDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 4 AM EST SUNDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 26 KNOTS FROM THE SOUTHWEST WITH GUSTS
  UP TO 32 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 6 PM SATURDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 7 PM SATURDAY.

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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