Alert archive / Michigan / Gale Warnings in 2012

Gale Warning 34, NWS Detroit, MI

December 19, 2012

NWS Detroit, MI issued this gale warning at Dec 19, 2012, 10:04 AM EST. It took effect at Dec 20, 2012, 10:00 AM EST. It was in force for 54 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 19, 2012, 10:04 AM EST (15:04 UTC)
In effect from
Dec 20, 2012, 10:00 AM EST
Expired
Dec 22, 2012, 4:00 PM EST
In force
54 hr
Issued by
NWS Detroit, MI

The text

As transmitted, in the capitals the NWS used until 2016.

744 
WHUS73 KDTX 191504
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1004 AM EST WED DEC 19 2012

...WINTER STORM SYSTEM TO BRING AN EXTENDED GALE EVENT THROUGH THE
END OF THE WEEK...

.MARINE CONDITIONS WILL REMAIN RELATIVELY CALM INTO TONIGHT AS HIGH 
PRESSURE BUILDS ACROSS THE REGION. HOWEVER...WINDS AND WAVES WILL 
INCREASE SUBSTANTIALLY ON THURSDAY AS A STRONG LOW PRESSURE SYSTEM 
APPROACHES THE CENTRAL GREAT LAKES. 

AFTER A BRIEF LULL PART OF THURSDAY NIGHT AS THE LOW PRESSURE CENTER 
CROSSES THE AREA...THERE WILL BE A STRONG LIKELIHOOD OF HIGH END 
GALES OVER ALL MARINE AREAS FRIDAY INTO SATURDAY AS THE SYSTEM EXITS 
TO THE EAST AND WIND INCREASES FROM THE NORTHWEST. THERE IS ALSO A 
SMALL POTENTIAL OF A SHORT STORM EVENT NESTED WITHIN THE HEIGHT OF 
THE GALES DURING FRIDAY. AT THIS TIME...THERE IS NOT QUITE ENOUGH 
EVIDENCE FOR AN EXTRA HEADLINE...BUT IT IS SOMETHING THAT WILL BE 
EVALUATED IN UPCOMING FORECASTS. 

THIS LARGE LOW PRESSURE SYSTEM IS STILL SLATED TO EXIT THE AREA LATE 
SATURDAY INTO SATURDAY NIGHT WITH WEAK HIGH PRESSURE THEN BRINGING 
NOTABLY WEAKER WINDS TO WRAP UP THE WEEKEND.


LHZ361-200315-
/O.UPG.KDTX.GL.A.0028.121220T1200Z-121222T2000Z/
/O.NEW.KDTX.GL.W.0034.121220T1500Z-121222T0900Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
1004 AM EST WED DEC 19 2012

...GALE WARNING IN EFFECT FROM 10 AM THURSDAY TO 4 AM EST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 10 AM THURSDAY TO 4 AM EST
SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 33 KNOTS FROM THE NORTH WITH GUSTS UP TO 43 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 14 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 20 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 4 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EST THURSDAY. 

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.

&&

$$

LHZ362-363-200315-
/O.UPG.KDTX.GL.A.0028.121220T1200Z-121222T2000Z/
/O.NEW.KDTX.GL.W.0034.121220T1500Z-121222T1500Z/
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
1004 AM EST WED DEC 19 2012

...GALE WARNING IN EFFECT FROM 10 AM THURSDAY TO 10 AM EST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 10 AM THURSDAY TO 10 AM EST
SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 34 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 45 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 17 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 24 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 11 PM EST FRIDAY. 

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.

&&

$$

LHZ441>443-200315-
/O.UPG.KDTX.GL.A.0028.121220T1200Z-121222T2000Z/
/O.NEW.KDTX.GL.W.0034.121220T1500Z-121222T0900Z/
PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI-
PORT SANILAC TO PORT HURON MI-
1004 AM EST WED DEC 19 2012

...GALE WARNING IN EFFECT FROM 10 AM THURSDAY TO 4 AM EST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 10 AM THURSDAY TO 4 AM EST
SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 32 KNOTS FROM THE SOUTHEAST WITH GUSTS UP TO 40 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 16 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 23 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 PM EST 
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST 
  FRIDAY. 

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.

&&

$$

LHZ421-200315-
/O.UPG.KDTX.GL.A.0028.121221T1200Z-121222T2000Z/
/O.NEW.KDTX.GL.W.0034.121220T1500Z-121222T0900Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
1004 AM EST WED DEC 19 2012

...GALE WARNING IN EFFECT FROM 10 AM THURSDAY TO 4 AM EST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 10 AM THURSDAY TO 4 AM EST
SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 31 KNOTS FROM THE EAST WITH GUSTS UP TO 40 KNOTS. 
  THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 14 FEET WITH A 
  POTENTIAL MAXIMUM WAVE HEIGHT OF 20 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 2 PM EST 
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 AM EST 
  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.

&&

$$

LHZ462>464-200315-
/O.UPG.KDTX.GL.A.0028.121220T1200Z-121222T2000Z/
/O.NEW.KDTX.GL.W.0034.121220T1500Z-121222T1500Z/
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
1004 AM EST WED DEC 19 2012

...GALE WARNING IN EFFECT FROM 10 AM THURSDAY TO 10 AM EST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 10 AM THURSDAY TO 10 AM EST
SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 34 KNOTS FROM THE SOUTHEAST WITH GUSTS UP TO 44 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 18 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 26 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 PM EST 
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 AM EST 
  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.

&&

$$

LCZ460-LEZ444-200315-
/O.EXT.KDTX.GL.A.0028.121221T1200Z-121222T0900Z/
LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
1004 AM EST WED DEC 19 2012

...GALE WATCH NOW IN EFFECT FROM FRIDAY MORNING THROUGH LATE
FRIDAY NIGHT...

THE GALE WATCH IS NOW IN EFFECT FROM FRIDAY MORNING THROUGH LATE
FRIDAY NIGHT. 

* WIND AND WAVES: DURING THE GALE WATCH...EXPECT SUSTAINED WINDS 
  UP TO 30 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 37 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 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 2 PM EST FRIDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

&&

$$

LHZ422-200315-
/O.EXT.KDTX.GL.A.0028.121220T1500Z-121222T0900Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
1004 AM EST WED DEC 19 2012

...GALE WATCH NOW IN EFFECT FROM THURSDAY MORNING THROUGH LATE
FRIDAY NIGHT...

THE GALE WATCH IS NOW IN EFFECT FROM THURSDAY MORNING THROUGH
LATE FRIDAY NIGHT. 

* WIND AND WAVES: DURING THE GALE WATCH...EXPECT SUSTAINED WINDS 
  UP TO 26 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 35 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 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 2 PM EST FRIDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

&&

$$
11 follow-up statements
037 
WHUS73 KDTX 200258
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
958 PM EST WED DEC 19 2012

...WINTER STORM SYSTEM TO BRING AN EXTENDED GALE EVENT THROUGH THE
END OF THE WEEK...

.A WEAK SURFACE RIDGE IN PLACE ACROSS THE CENTRAL GREAT LAKES HAS 
BEEN RESPONSIBLE FOR THE NEGLIGIBLE FLOW OVER THE WATERS ADJACENT TO 
SOUTHEASTERN MICHIGAN. A STRONG UPPER LEVEL LOW PRESSURE 
SYSTEM...CURRENTLY DIGGING ACROSS THE DESERT SOUTHWEST...WILL 
EFFICIENTLY DEEPEN A STRONG SURFACE LOW AND WINTER STORM TONIGHT. 
THE WINTER STORM WILL EVENTUALLY TRACK THROUGH LAKE MICHIGAN AND 
LAKE HURON THURSDAY AFTERNOON AND THURSDAY NIGHT.

THE SURFACE LOW IS EXPECTED TO DEEPEN TO APPROXIMATELY 985 MB OR 
29.10 INCHES AT 00Z FRIDAY OVER PORTIONS OF FAR SOUTHWESTERN LOWER 
MICHIGAN. STRONG GRADIENT FLOW WILL INCREASE AHEAD OF THIS 
SYSTEM...WITH SOUTHEASTERLIES RAPIDLY INCREASING THURSDAY MORNING IN 
THE 12-15Z TIMEFRAME. OVER THE MIDLAKE OF LAKE HURON TEMPERATURES 
ARE ROUGHLY 6C. THE MODELS SUGGEST THAT TRUE WARM AIR WITH THIS 
SYSTEM AT 850MB +7C WILL BE DEFLECTED/SHUNTED EASTWARD TO PORTIONS 
OF OHIO/PA THANKS LARGELY TO THE PRECEDING ANTICYCLONICALLY CURVED 
JET MAXIMUM. THEREFORE...CONFIDENCE IS QUITE GOOD THAT A UNSTABLE 
NEAR WATER SURFACE ENVIRONMENT WILL EXIST IS SOUTHEASTERLY FLOW ON 
THURSDAY. KEPT THE GALE WARNINGS FOR ALL MARINE ZONES OF LAKE HURON 
AND UPGRADED INNER SAGINAW BAY FROM A GALE WATCH TO A GALE WARNING. 
FOR THE LAKE ST CLAIR/MICHIGAN WATERS OF LAKE ERIE CONFIDENCE IS 
MUCH LESS IN WHAT SORT OF WINDS CAN DEVELOP GIVEN A MORE LIMITED 
FETCH. DECIDED ON MAINTAINING A GALE WATCH AND LETTING FUTURE SHIFTS 
THE OPPORTUNITY TO ADDITIONAL MODEL GUIDANCE. HOWEVER WINDS AND 
WAVES LOOK GOOD FOR SMALL CRAFT CONDITIONS LEADING UP TO THE GALE 
WATCH THURSDAY AND THURSDAY NIGHT...THEREFORE ISSUED A SMALL CRAFT 
ADVISORY FOR THESE AREAS WITH THIS ISSUANCE. AS THE SURFACE LOW 
PASSES OVERHEAD THURSDAY AFTERNOON AND THURSDAY NIGHT...DIAMETER OF 
THE CIRCULATION WILL BE LARGE ENOUGH TO ALLOW SFC WINDS TO DROP OFF 
WITH THE MINIMUM IN PRESSURE GRADIENT.

AS THE LOW SWINGS EASTWARD AND COLD AIR ADVECTION INCREASES 
SUBSTANTIALLY...VERY STRONG NORTHWEST WINDS WILL KICK IN FOR ALL 
MARINE ZONES ON FRIDAY. THERE IS VERY HIGH CONFIDENCE THAT INNER 
SAGINAW BAY AND LAKE ERIE/LAKE ST CLAIRE WILL REQUIRE A GALE WARNING 
FOR THAT TIME. IN THE NORTHWESTERLY FLOW...SIGNIFICANT WAVE HEIGHTS 
ARE EXPECTED TO BE WIDESPREAD IN THE 10 TO 15 FT RANGE...WITH 
MAXIMUM WAVE HEIGHTS EXCEEDING 20 FEET.

LHZ422-201500-
/O.UPG.KDTX.GL.A.0028.121220T1500Z-121222T0900Z/
/O.EXA.KDTX.GL.W.0034.121220T1500Z-121222T0900Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
958 PM EST WED DEC 19 2012

...GALE WARNING IN EFFECT FROM 10 AM THURSDAY TO 4 AM EST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 10 AM THURSDAY TO 4 AM EST
SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 28 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 37 
  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 10 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST FRIDAY. 

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.

&&

$$

LHZ361-201500-
/O.CON.KDTX.GL.W.0034.121220T1500Z-121222T0900Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
958 PM EST WED DEC 19 2012

...GALE WARNING REMAINS IN EFFECT FROM 10 AM THURSDAY TO 4 AM EST
SATURDAY...

A GALE WARNING REMAINS IN EFFECT FROM 10 AM THURSDAY TO 4 AM EST
SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 34 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 43 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 14 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 20 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 8 PM EST 
  THURSDAY. 

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.

&&

$$

LHZ362-363-201500-
/O.CON.KDTX.GL.W.0034.121220T1500Z-121222T1500Z/
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
958 PM EST WED DEC 19 2012

...GALE WARNING REMAINS IN EFFECT FROM 10 AM THURSDAY TO 10 AM
EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT FROM 10 AM THURSDAY TO 10 AM EST
SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 39 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 50 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 19 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 27 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 1 AM EST 
  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.

&&

$$

LHZ421-441>443-201500-
/O.CON.KDTX.GL.W.0034.121220T1500Z-121222T0900Z/
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-
958 PM EST WED DEC 19 2012

...GALE WARNING REMAINS IN EFFECT FROM 10 AM THURSDAY TO 4 AM EST
SATURDAY...

A GALE WARNING REMAINS IN EFFECT FROM 10 AM THURSDAY TO 4 AM EST
SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 36 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 46 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 18 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 26 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 AM EST 
  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.

&&

$$

LHZ462>464-201500-
/O.CON.KDTX.GL.W.0034.121220T1500Z-121222T1500Z/
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
958 PM EST WED DEC 19 2012

...GALE WARNING REMAINS IN EFFECT FROM 10 AM THURSDAY TO 10 AM
EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT FROM 10 AM THURSDAY TO 10 AM EST
SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 38 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 49 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 21 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 30 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 2 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 5 AM EST 
  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.

&&

$$

LEZ444-201500-
/O.NEW.KDTX.SC.Y.0110.121220T1500Z-121221T1200Z/
/O.CON.KDTX.GL.A.0028.121221T1200Z-121222T0900Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
958 PM EST WED DEC 19 2012

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM THURSDAY TO 7 AM EST
FRIDAY...
...GALE WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH LATE
FRIDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 10 AM THURSDAY TO
7 AM EST FRIDAY. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 24 KNOTS FROM THE WEST WITH GUSTS UP TO 
  28 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 AM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST THURSDAY. 

A GALE WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH LATE
FRIDAY NIGHT. 

* WIND AND WAVES: DURING THE GALE WATCH...EXPECT SUSTAINED WINDS 
  UP TO 30 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 37 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 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 2 PM EST FRIDAY. 

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.

A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

&&

$$

LCZ460-201500-
/O.NEW.KDTX.SC.Y.0110.121220T1500Z-121221T1200Z/
/O.CON.KDTX.GL.A.0028.121221T1200Z-121222T0900Z/
LAKE ST. CLAIR-
958 PM EST WED DEC 19 2012

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM THURSDAY TO 7 AM EST
FRIDAY...
...GALE WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH LATE
FRIDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 10 AM THURSDAY TO
7 AM EST FRIDAY. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 23 KNOTS FROM THE SOUTHEAST WITH GUSTS 
  UP TO 27 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 EST 
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 7 PM EST 
  THURSDAY. 

A GALE WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH LATE
FRIDAY NIGHT. 

* WIND AND WAVES: DURING THE GALE WATCH...EXPECT SUSTAINED WINDS 
  UP TO 30 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 37 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 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 3 PM EST FRIDAY. 

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.

A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

&&

$$

KURIMSKI
619 
WHUS73 KDTX 200912
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
412 AM EST THU DEC 20 2012

...STRONG WINDS AND LARGE WAVES EXPECTED TODAY THROUGH SATURDAY...

.A STRONG LOW PRESSURE SYSTEM TRACK THROUGH THE GREAT LAKES WILL 
BRING A PROLONGED PERIOD OF STRONG WINDS TO THE AREA FROM EARLY 
TODAY INTO SATURDAY. WINDS WILL FIRST INCREASE FROM THE EAST THIS 
MORNING AS THE STORM APPROACHES. WIND SPEEDS WILL ATTAIN GALE FORCE 
ACROSS LAKE HURON BY AFTERNOON...AND FALL JUST SHORT OF GALES OVER 
LAKE ST CLAIR AND WESTERN LAKE ERIE WITH GUSTS TOPPING OUT NEAR 30 
KNOTS. THE STRONG EAST TO SOUTHEAST WINDS WILL CONTINUE INTO THIS 
EVENING BEFORE THE LOW CROSSING OVERHEAD BRINGS A LULL IN THE GALES 
WHICH WILL LAST UNTIL AROUND DAYBREAK. WAVE HEIGHTS WILL ALSO BUILD 
TODAY...AND LAGGING IN TIME BEHIND THE STRONGEST WINDS...REACH 
HEIGHTS OF AROUND 15 FEET OVER CENTRAL AND NORTHERN LAKE HURON 
TONIGHT. 

COLDER AIR WILL POUR INTO THE REGION BEHIND A STRONG COLD FRONT LATE 
TONIGHT AND FRIDAY MORNING. STRONG INSTABILITY IN THE LOWER LEVELS 
OF THE ATMOSPHERE WILL THEN ALLOW A CORE OF HIGHER WINDS ALOFT TO 
MIX DOWN TO THE LAKE SURFACE. WINDS WILL FLIP TO THE NORTHWEST AND 
INCREASE IN SPEED...THIS TIME REACHING HIGH-END GALES ACROSS ALL OF 
THE CENTRAL GREAT LAKES. GUSTS TO 40 KNOTS CAN BE EXPECTED ACROSS 
THE ENTIRE AREA...WITH GUSTS CLOSER TO 45 KNOTS OVER THE OPEN WATERS 
OF LAKE HURON. THERE IS SOME POTENTIAL FOR STORM FORCE WINDS TO 
DEVELOP DURING A PERIOD FRIDAY EVENING THROUGH OVERNIGHT OVER THE 
OPEN WATERS OF LAKE HURON...THOUGH HIGH-END GALES LOOK MORE LIKELY 
AT THIS TIME. A STORM WATCH MAY STILL BE NEEDED. WAVE HEIGHTS WILL 
REBUILD DURING THE SECOND HALF OF THIS GALE EVENT FRIDAY NIGHT INTO 
SATURDAY...REACHING HEIGHTS BETWEEN 15 AND 20 FEET OVER THE SOUTHERN 
TWO-THIRDS OF LAKE HURON...WITH MAX WAVE HEIGHTS EXCEEDING 25 FEET. 
IN ADDITION...ENOUGH OF A WESTERLY COMPONENT LOOKS PRESENT TO POSE A 
THREAT FOR LOW WATER CONDITIONS TO DEVELOP OVER THE WESTERN BASIN OF 
LAKE ERIE ON FRIDAY. THIS WILL HAVE TO BE MONITORED FOR A POSSIBLE 
ADVISORY.

WINDS AND THEN WAVES WILL GRADUALLY DECREASE LATE THURSDAY NIGHT AND 
FRIDAY AS LOW PRESSURE TRACKS EAST OF THE AREA. MUCH CALMER 
CONDITIONS ARE EXPECTED LATE SATURDAY THROUGH SUNDAY AS A WEAK RIDGE 
OF HIGH PRESSURE BUILDS OVER THE AREA.

LEZ444-202200-
/O.CON.KDTX.SC.Y.0110.121220T1500Z-121221T1200Z/
/O.UPG.KDTX.GL.A.0028.121221T1200Z-121222T0900Z/
/O.EXB.KDTX.GL.W.0034.121221T1200Z-121222T0900Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
412 AM EST THU DEC 20 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 7 AM EST FRIDAY...
...GALE WARNING IN EFFECT FROM 7 AM FRIDAY TO 4 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 7 AM FRIDAY TO 4 AM EST
SATURDAY. 

A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 7 AM EST FRIDAY. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 25 KNOTS FROM THE EAST WITH GUSTS UP TO 30 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 10 AM EST 
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 10 AM EST 
  THURSDAY.


A GALE WARNING IS IN EFFECT FROM 7 AM FRIDAY TO 4 AM EST
SATURDAY.

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS
  UP TO 30 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 40 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 PM EST FRIDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 2 PM EST FRIDAY
 

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.

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.

&&

$$

LCZ460-202200-
/O.CON.KDTX.SC.Y.0110.121220T1500Z-121221T1200Z/
/O.UPG.KDTX.GL.A.0028.121221T1200Z-121222T0900Z/
/O.EXB.KDTX.GL.W.0034.121221T1500Z-121222T0900Z/
LAKE ST. CLAIR-
412 AM EST THU DEC 20 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 7 AM EST FRIDAY...
...GALE WARNING IN EFFECT FROM 10 AM FRIDAY TO 4 AM EST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 10 AM FRIDAY TO 4 AM EST
SATURDAY. 

A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 7 AM EST FRIDAY. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 25 KNOTS FROM THE SOUTHEAST WITH GUSTS 
  UP TO 34 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 3 PM EST 
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 11 AM EST 
  THURSDAY. 


A GALE WARNING IS IN EFFECT FROM 10 AM FRIDAY TO 4 AM EST
SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 28 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 36 
  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 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 6 PM EST FRIDAY. 


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.

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.

&&

$$

LHZ362-363-202200-
/O.EXT.KDTX.GL.W.0034.121220T1500Z-121222T2100Z/
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
412 AM EST THU DEC 20 2012

...GALE WARNING NOW IN EFFECT FROM 10 AM THIS MORNING TO 4 PM EST
SATURDAY...

THE GALE WARNING IS NOW IN EFFECT FROM 10 AM THIS MORNING TO 4 PM
EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS
  UP TO 35 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 45 KNOTS. THE
  LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 20 FEET WITH A
  POTENTIAL MAXIMUM WAVE HEIGHT OF 29 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 7 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST FRIDAY. 

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.

&&

$$

LHZ421-441>443-202200-
/O.EXT.KDTX.GL.W.0034.121220T1500Z-121222T1500Z/
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-
412 AM EST THU DEC 20 2012

...GALE WARNING NOW IN EFFECT FROM 10 AM THIS MORNING TO 10 AM
EST SATURDAY...

THE GALE WARNING IS NOW IN EFFECT FROM 10 AM THIS MORNING TO
10 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS
  UP TO 35 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 45 KNOTS. THE
  LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 19 FEET WITH A
  POTENTIAL MAXIMUM WAVE HEIGHT OF 27 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 7 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST FRIDAY. 

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.

&&

$$

LHZ462>464-202200-
/O.EXT.KDTX.GL.W.0034.121220T1500Z-121222T2100Z/
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
412 AM EST THU DEC 20 2012

...GALE WARNING NOW IN EFFECT FROM 10 AM THIS MORNING TO 4 PM EST
SATURDAY...

THE GALE WARNING IS NOW IN EFFECT FROM 10 AM THIS MORNING TO 4 PM
EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS
  UP TO 35 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 45 KNOTS. THE
  LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 21 FEET WITH A
  POTENTIAL MAXIMUM WAVE HEIGHT OF 30 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 7 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 12 AM EST 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.

&&

$$

LHZ361-202200-
/O.CON.KDTX.GL.W.0034.121220T1500Z-121222T0900Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
412 AM EST THU DEC 20 2012

...GALE WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 4 AM
EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 4 AM
EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 34 KNOTS FROM THE EAST WITH GUSTS UP TO 43 KNOTS. 
  THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 16 FEET WITH A 
  POTENTIAL MAXIMUM WAVE HEIGHT OF 23 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 5 PM EST 
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EST 
  THURSDAY. 

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.

&&

$$

LHZ422-202200-
/O.CON.KDTX.GL.W.0034.121220T1500Z-121222T0900Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
412 AM EST THU DEC 20 2012

...GALE WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 4 AM
EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 4 AM
EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 31 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 38 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 7 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 10 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 12 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 AM EST 
  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.

&&

$$

HLO
093 
WHUS73 KDTX 202101
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
401 PM EST THU DEC 20 2012

...STRONG WINDS AND LARGE WAVES WILL PERSIST THROUGH SATURDAY...

.A STRONG LOW PRESSURE SYSTEM WILL TRACK THROUGH THE GREAT LAKES 
TONIGHT THROUGH SATURDAY BRINGING AN EXTENDED PERIOD OF STRONG WINDS 
AND ELEVATED WAVES TO THE LAKES. WINDS TODAY REACHED GALE FORCE 
ACROSS LAKE HURON AND WILL ONLY BRIEFLY DECREASE TONIGHT AS THE 
CENTER OF THE LOW TRACKS ACROSS SOUTHERN LAKE HURON. THE STRONGER 
WINDS WILL PERSIST ACROSS NORTHERN LAKE HURON THROUGH THE NIGHT 
WHILE SLOWLY BACKING TO THE NORTHWEST. 

ON FRIDAY...WINDS WILL TURN NORTHWESTERLY OVER THE REST OF THE 
MARINE ZONES IN THE WAKE OF THE LOW. COLDER AIR WILL MOVE INTO THE 
AREA WHICH WILL INCREASE THE INSTABILITY OVER THE LAKES FOR FRIDAY 
AND SATURDAY. WHEN COMBINED WITH THE TIGHT PRESSURE 
GRADIENT...CONVERGENCE ALONG THE SHORELINE AND A NW FETCH OVER THE 
LAKES...WINDS WILL RAMP UP EARLY FRIDAY QUICKLY REACHING HIGH END 
GALE FORCE. WIND GUSTS WILL REACH 45 KNOTS OVER LAKE HURON WITH 
SLIGHTLY WEAKER WINDS OVER LAKE ST CLAIR AND LAKE ERIE. THERE IS A 
CHANCE THAT WE COULD BRIEFLY TOUCH STORM FORCE WINDS OVER LAKE HURON 
FOR A FEW HOURS BUT CONFIDENCE IS TOO LOW TO HOIST A STORM WATCH. 
THIS IS DUE IN PART TO UP STREAM OBS ONLY TOPPING OUT BETWEEN 40 TO 
45 KNOTS WITH A PRESSURE GRADIENT MAGNITUDE THAT IS MUCH STRONGER 
THEN WE WILL SEE TOMORROW. EVEN WITH THE POTENTIAL FOR STORMS...WILL 
HOLD OFF ON A WATCH AS WE ALREADY HAVE A HIGH END GALE WARNING IN 
EFFECT. WAVE HEIGHTS WILL REACH 15 TO 20 FEET ACROSS THE SOUTHERN 
TWO-THIRDS OF LAKE HURON WITH MAX WAVE HEIGHTS AROUND 25 FEET. IN 
ADDITION...ENOUGH OF A WESTERLY COMPONENT LOOKS PRESENT TO POSE A 
THREAT FOR LOW WATER CONDITIONS TO DEVELOP OVER THE WESTERN BASIN OF 
LAKE ERIE ON FRIDAY. THIS WILL HAVE TO BE MONITORED FOR A POSSIBLE 
ADVISORY.

WINDS AND WAVES WILL SUBSIDE THROUGH THE DAY SATURDAY AS THE SYSTEM 
MOVES EASTWARD AND HIGH PRESSURE BUILDS BACK INTO THE REGION.

LEZ444-210915-
/O.EXT.KDTX.SC.Y.0110.000000T0000Z-121221T1500Z/
/O.EXT.KDTX.GL.W.0034.121221T1500Z-121222T0900Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
401 PM EST THU DEC 20 2012

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EST FRIDAY...
...GALE WARNING NOW IN EFFECT FROM 10 AM FRIDAY TO 4 AM EST
SATURDAY...

THE GALE WARNING IS NOW IN EFFECT FROM 10 AM FRIDAY TO 4 AM EST
SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 29 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 38 
  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 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 3 PM EST FRIDAY. 

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 10 AM EST FRIDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 22 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 3 PM EST 
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 5 PM EST 
  THURSDAY. 

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.

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.

&&

$$

LCZ460-210915-
/O.EXT.KDTX.SC.Y.0110.000000T0000Z-121221T1500Z/
/O.CON.KDTX.GL.W.0034.121221T1500Z-121222T0900Z/
LAKE ST. CLAIR-
401 PM EST THU DEC 20 2012

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EST FRIDAY...
...GALE WARNING REMAINS IN EFFECT FROM 10 AM FRIDAY TO 4 AM EST
SATURDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 10 AM EST FRIDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 24 KNOTS FROM THE SOUTHEAST WITH GUSTS 
  UP TO 29 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 5 PM EST THURSDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 5 PM EST THURSDAY.

A GALE WARNING REMAINS IN EFFECT FROM 10 AM FRIDAY TO 4 AM EST
SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 28 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 37 
  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 2 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 3 PM EST FRIDAY. 

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.

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.

&&

$$

LHZ361-210915-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T0900Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
401 PM EST THU DEC 20 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 33 KNOTS FROM THE EAST WITH GUSTS UP TO 43 KNOTS. 
  THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 16 FEET WITH A 
  POTENTIAL MAXIMUM WAVE HEIGHT OF 23 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 4 PM EST 
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 8 PM EST 
  THURSDAY. 

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.

&&

$$

LHZ362-363-210915-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T2100Z/
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
401 PM EST THU DEC 20 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 4 PM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 36 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 46 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 18 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 26 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 6 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 AM EST 
  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.

&&

$$

LHZ421-441>443-210915-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T1500Z/
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-
401 PM EST THU DEC 20 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 34 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 45 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 17 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 24 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 5 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST FRIDAY. 

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.

&&

$$

LHZ462>464-210915-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T2100Z/
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
401 PM EST THU DEC 20 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 4 PM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 37 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 45 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 20 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 29 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 6 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 8 AM EST 
  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.

&&

$$

LHZ422-210915-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T0900Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
401 PM EST THU DEC 20 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 30 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 39 
  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 11 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST FRIDAY. 

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.

&&

$$
227 
WHUS73 KDTX 210840
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
340 AM EST FRI DEC 21 2012

...NORTHWEST GALES AND STORM FORCE WINDS LATE TODAY..

.STRONG LOW PRESSURE IS SLOWLY TRACKING THROUGH THE CENTRAL GREAT 
LAKES THIS MORNING. A SECOND LOW WILL TRACK UP THE EAST COAST AND 
MOVE CLOSE TO THE EASTERN GREAT LAKES...DEEPENING IN THE PROCESS. 
NORTHWEST GALES ARE EXPECTED ACROSS ALL NEARSHORE WATERS...WITH 
STORMS NOW LIKELY OVER THE OPEN WATERS OF LAKE HURON BASED ON THE 
LATEST MODEL DATA AND UPSTREAM OBSERVATIONS AS COLDER AIR FILTERS 
INTO THE REGION. A RIDGE OF HIGH PRESSURE BUILDING INTO THE AREA ON 
SATURDAY WILL CAUSE WINDS TO DIMINISH UNDER 20 KNOTS BY SATURDAY 
NIGHT.

LHZ362-363-212100-
/O.UPG.KDTX.GL.W.0034.000000T0000Z-121222T2100Z/
/O.NEW.KDTX.SR.W.0002.121221T2000Z-121222T1200Z/
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
340 AM EST FRI DEC 21 2012

...STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 7 AM EST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
STORM WARNING...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO
7 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED 
  WINDS UP TO 42 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 54 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 22 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 32 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST 
  SATURDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$

LHZ462>464-212100-
/O.UPG.KDTX.GL.W.0034.000000T0000Z-121222T2100Z/
/O.NEW.KDTX.SR.W.0002.121222T0000Z-121222T1200Z/
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
340 AM EST FRI DEC 21 2012

...STORM WARNING IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST
SATURDAY...

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

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED 
  WINDS UP TO 42 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 55 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 25 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 36 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 2 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EST 
  SATURDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$

LCZ460-212100-
/O.CON.KDTX.SC.Y.0110.000000T0000Z-121221T1500Z/
/O.EXT.KDTX.GL.W.0034.121221T1500Z-121222T1200Z/
LAKE ST. CLAIR-
340 AM EST FRI DEC 21 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...
...GALE WARNING NOW IN EFFECT FROM 10 AM THIS MORNING TO 7 AM EST
SATURDAY...

THE GALE WARNING IS NOW IN EFFECT FROM 10 AM THIS MORNING TO 7 AM
EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 29 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 38 
  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 12 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 1 AM EST 
  SATURDAY. 

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 15 KNOTS FROM THE NORTHWEST WITH GUSTS 
  UP TO 20 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL 
  BE 3 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 4 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 9 AM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST FRIDAY. 

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.

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.

&&

$$

LHZ361-212100-
/O.EXT.KDTX.GL.W.0034.000000T0000Z-121222T1200Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
340 AM EST FRI DEC 21 2012

...GALE WARNING NOW IN EFFECT UNTIL 7 AM EST SATURDAY...

THE GALE WARNING IS NOW IN EFFECT UNTIL 7 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 35 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 45 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 12 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 17 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST FRIDAY. 

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.

&&

$$

LEZ444-212100-
/O.CON.KDTX.SC.Y.0110.000000T0000Z-121221T1500Z/
/O.CON.KDTX.GL.W.0034.121221T1500Z-121222T0900Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
340 AM EST FRI DEC 21 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...
...GALE WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 4 AM
EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 4 AM
EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 27 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 37 
  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 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST FRIDAY. 

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 21 KNOTS FROM THE NORTHWEST WITH GUSTS 
  UP TO 26 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 9 AM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST FRIDAY. 

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.

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>443-212100-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T1500Z/
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-
340 AM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS
  UP TO 38 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 47 KNOTS. THE
  LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 20 FEET WITH A
  POTENTIAL MAXIMUM WAVE HEIGHT OF 29 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 12 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST 
  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.

&&

$$

LHZ422-212100-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T0900Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
340 AM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 31 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 38 
  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 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 12 PM EST FRIDAY. 

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.

&&

$$
704 
WHUS73 KDTX 211502
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1002 AM EST FRI DEC 21 2012

...STORM FORCE WINDS AND HIGH-END GALES TODAY...

.STRONG LOW PRESSURE IS SLOWLY TRACKING THROUGH THE CENTRAL GREAT 
LAKES THIS MORNING. A SECOND LOW WILL TRACK UP THE EAST COAST AND 
MOVE CLOSE TO THE EASTERN GREAT LAKES...DEEPENING IN THE PROCESS. 
NORTHWEST GALES ARE EXPECTED ACROSS ALL NEARSHORE WATERS...WITH 
STORMS EXPECTED OVER THE OPEN WATERS OF LAKE HURON BASED ON THE LATEST
MODEL DATA AND UPSTREAM OBSERVATIONS AS COLDER AIR FILTERS INTO
THE REGION. A RIDGE OF HIGH PRESSURE BUILDING INTO THE AREA ON
SATURDAY WILL CAUSE WINDS TO DIMINISH UNDER 20 KNOTS BY SATURDAY
NIGHT.

LEZ444-212115-
/O.EXP.KDTX.SC.Y.0110.000000T0000Z-121221T1500Z/
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T0900Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
1002 AM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 10 AM EST THIS MORNING...

THE SMALL CRAFT ADVISORY WILL EXPIRE AT 10 AM EST THIS MORNING. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 21 KNOTS FROM THE WEST WITH GUSTS UP TO 
  31 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 3 
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 4 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 9 AM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 9 AM EST FRIDAY. 

A GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 27 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 37 
  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 9 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST FRIDAY. 

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.

&&

$$

LCZ460-212115-
/O.EXP.KDTX.SC.Y.0110.000000T0000Z-121221T1500Z/
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T1200Z/
LAKE ST. CLAIR-
1002 AM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 10 AM EST THIS MORNING...

THE SMALL CRAFT ADVISORY WILL EXPIRE AT 10 AM EST THIS MORNING. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 13 KNOTS FROM THE NORTHWEST WITH GUSTS 
  UP TO 22 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL 
  BE 1 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 1 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 9 AM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 9 AM EST FRIDAY. 

A GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 28 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 39 
  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 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 1 AM EST 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.

&&

$$

LHZ362-363-212115-
/O.EXT.KDTX.SR.W.0002.121221T1502Z-121222T1200Z/
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
1002 AM EST FRI DEC 21 2012

...STORM WARNING NOW IN EFFECT UNTIL 7 AM EST SATURDAY...

THE STORM WARNING IS NOW IN EFFECT UNTIL 7 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED 
  WINDS UP TO 41 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 54 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 22 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 32 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 2 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST 
  SATURDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$

LHZ462>464-212115-
/O.EXT.KDTX.SR.W.0002.121221T1800Z-121222T1200Z/
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
1002 AM EST FRI DEC 21 2012

...STORM WARNING NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 AM
EST SATURDAY...

THE STORM WARNING IS NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED 
  WINDS UP TO 42 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 55 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 25 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 36 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 2 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EST 
  SATURDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$

LHZ361-212115-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T1200Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
1002 AM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 35 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 45 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 12 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 17 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 9 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST FRIDAY. 

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.

&&

$$

LHZ421-441>443-212115-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T1500Z/
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-
1002 AM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 38 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 50 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 20 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 29 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 10 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST 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.

&&

$$

LHZ422-212115-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T0900Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
1002 AM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 31 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 39 
  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 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 12 PM EST FRIDAY. 

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.

&&

$$
243 
WHUS73 KDTX 211522
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1022 AM EST FRI DEC 21 2012

...STORM FORCE WINDS AND HIGH-END GALES TODAY...

.STRONG LOW PRESSURE IS SLOWLY TRACKING THROUGH THE CENTRAL GREAT 
LAKES THIS MORNING. A SECOND LOW WILL TRACK UP THE EAST COAST AND 
MOVE CLOSE TO THE EASTERN GREAT LAKES...DEEPENING IN THE PROCESS. 
NORTHWEST GALES ARE EXPECTED ACROSS ALL NEARSHORE WATERS...WITH 
STORMS NOW LIKELY OVER THE OPEN WATERS OF LAKE HURON BASED ON THE 
LATEST MODEL DATA AND UPSTREAM OBSERVATIONS AS COLDER AIR FILTERS 
INTO THE REGION. A RIDGE OF HIGH PRESSURE BUILDING INTO THE AREA ON 
SATURDAY WILL CAUSE WINDS TO DIMINISH UNDER 20 KNOTS BY SATURDAY 
NIGHT.

LEZ444-212115-
/O.NEW.KDTX.LO.Y.0012.121221T1522Z-121222T2100Z/
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T0900Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
1022 AM EST FRI DEC 21 2012

...LOW WATER ADVISORY IN EFFECT UNTIL 4 PM EST SATURDAY...
...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A LOW
WATER ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM EST SATURDAY. 

A GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY.

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 27 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 37 
  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 9 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST FRIDAY.

* LOW WATER: AT 10 AM THE WATER LEVEL AT TOLEDO WAS 10 INCHES
  BELOW CHART DATUM. THE WATER LEVEL WILL DROP BELOW THE CRITICAL
  MARK FOR SAFE NAVIGATION BY AROUND 2 PM AND BOTTOM OUT AROUND 48
  INCHES BELOW CHART DATUM AFTER MIDNIGHT. WATER LEVELS WILL
  IMPROVE ON SATURDAY AND CLIMB ABOVE THE CRITICAL MARK FOR SAFE
  NAVIGATION BY LATE AFTERNOON.  

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.

A LOW WATER ADVISORY MEANS WATER LEVELS ARE EXPECTED TO BE
SIGNIFICANTLY BELOW AVERAGE. MARINERS SHOULD USE EXTREME CAUTION
AND TRANSIT AT THE SLOWEST SAFE NAVIGABLE SPEED TO MINIMIZE
IMPACT.

&&

$$

LCZ460-212115-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T1200Z/
LAKE ST. CLAIR-
1022 AM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 28 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 39 
  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 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 1 AM EST 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.

&&

$$

LHZ361-212115-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T1200Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
1022 AM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 35 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 45 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 12 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 17 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 9 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST FRIDAY. 

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.

&&

$$

LHZ421-441>443-212115-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T1500Z/
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-
1022 AM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 38 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 50 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 20 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 29 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 10 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST 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.

&&

$$

LHZ422-212115-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T0900Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
1022 AM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 31 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 39 
  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 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 12 PM EST FRIDAY. 

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.

&&

$$

LHZ362-363-212115-
/O.CON.KDTX.SR.W.0002.000000T0000Z-121222T1200Z/
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
1022 AM EST FRI DEC 21 2012

...STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

A STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED 
  WINDS UP TO 41 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 54 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 22 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 32 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 2 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST 
  SATURDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$

LHZ462>464-212115-
/O.CON.KDTX.SR.W.0002.121221T1800Z-121222T1200Z/
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
1022 AM EST FRI DEC 21 2012

...STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

A STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED 
  WINDS UP TO 42 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 55 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 25 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 36 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 2 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EST 
  SATURDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$
198 
WHUS73 KDTX 211955
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
255 PM EST FRI DEC 21 2012

...HIGH-END GALES AND STORM FORCE WINDS EXPECTED THIS EVENING...

.COLD AIR FILLING IN BEHIND THE DEPARTING LOW PRESSURE SYSTEM ALONG 
WITH A STEADILY INCREASING SURFACE PRESSURE GRADIENT WILL BE 
SUFFICIENT TO GENERATE HIGH END GALES TO LOW END STORMS ACROSS MUCH 
OF LAKE HURON THIS EVENING AND TONIGHT. IN ADDITION...GALES WILL 
SOON DEVELOP OVER LAKE SAINT CLAIR WHILE THEY CAN BE EXPECTED TO 
CONTINUE OVER THE MICHIGAN WATERS OF LAKE ERIE. SIGNIFICANT WAVE 
HEIGHTS WILL BUILD TO 15 TO 20 FEET THIS EVENING...POSSIBLY HIGHER 
ACROSS SOUTHERN LAKE HURON...AND WILL PERSIST THROUGH THE DAY ON 
SATURDAY. CONDITIONS WILL THEN GRADUALLY IMPROVE LATE SATURDAY NIGHT 
INTO MONDAY.

LEZ444-220315-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T0900Z/
/O.CON.KDTX.LO.Y.0012.000000T0000Z-121222T2100Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
255 PM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY...
...LOW WATER ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 27 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 37 
  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 9 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST FRIDAY. 

A LOW WATER ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST SATURDAY. 

* LOW WATER: AT 10 AM THE WATER LEVEL AT TOLEDO WAS 10 INCHES
  BELOW CHART DATUM. THE WATER LEVEL WILL DROP BELOW THE CRITICAL
  MARK FOR SAFE NAVIGATION BY AROUND 2 PM AND BOTTOM OUT AROUND 48
  INCHES BELOW CHART DATUM AFTER MIDNIGHT. WATER LEVELS WILL
  IMPROVE ON SATURDAY AND CLIMB ABOVE THE CRITICAL MARK FOR SAFE
  NAVIGATION BY LATE AFTERNOON. 

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.

A LOW WATER ADVISORY MEANS WATER LEVELS ARE EXPECTED TO BE
SIGNIFICANTLY BELOW AVERAGE. MARINERS SHOULD USE EXTREME CAUTION
AND TRANSIT AT THE SLOWEST SAFE NAVIGABLE SPEED TO MINIMIZE
IMPACT.

&&

$$

LCZ460-220315-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T1200Z/
LAKE ST. CLAIR-
255 PM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 28 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 39 
  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 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 1 AM EST 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.

&&

$$

LHZ361-220315-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T1200Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
255 PM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 35 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 45 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 12 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 17 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 9 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST FRIDAY. 

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.

&&

$$

LHZ421-441>443-220315-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T1500Z/
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-
255 PM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 38 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 50 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 20 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 29 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 10 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST 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.

&&

$$

LHZ422-220315-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T0900Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
255 PM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 31 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 38 
  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 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 4 PM EST FRIDAY. 

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.

&&

$$

LHZ362-363-220315-
/O.CON.KDTX.SR.W.0002.000000T0000Z-121222T1200Z/
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
255 PM EST FRI DEC 21 2012

...STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

A STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED 
  WINDS UP TO 41 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 54 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 22 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 32 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 2 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST 
  SATURDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$

LHZ462>464-220315-
/O.CON.KDTX.SR.W.0002.000000T0000Z-121222T1200Z/
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
255 PM EST FRI DEC 21 2012

...STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

A STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED 
  WINDS UP TO 42 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 55 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 25 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 36 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 2 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EST 
  SATURDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$
575 
WHUS73 KDTX 220239
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
939 PM EST FRI DEC 21 2012

...HIGH-END GALES AND STORM FORCE WINDS EXPECTED TONIGHT...

.COLD AIR FILLING IN BEHIND THE DEPARTING LOW PRESSURE SYSTEM ALONG 
WITH A STEADILY INCREASING SURFACE PRESSURE GRADIENT WILL BE 
SUFFICIENT TO GENERATE HIGH END GALES TO LOW END STORMS ACROSS MUCH 
OF LAKE HURON OVERNIGHT. IN ADDITION...GALES WILL SOON DEVELOP
OVER LAKE SAINT CLAIR WHILE THEY CAN BE EXPECTED TO CONTINUE OVER
THE MICHIGAN WATERS OF LAKE ERIE. SIGNIFICANT WAVE HEIGHTS WILL
BUILD TO 15 TO 20 FEET THIS EVENING...POSSIBLY HIGHER ACROSS
SOUTHERN LAKE HURON...AND WILL PERSIST THROUGH THE DAY ON
SATURDAY. CONDITIONS WILL THEN GRADUALLY IMPROVE LATE SATURDAY
NIGHT INTO MONDAY.

LEZ444-221445-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T0900Z/
/O.CON.KDTX.LO.Y.0012.000000T0000Z-121222T2100Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
939 PM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY...
...LOW WATER ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 27 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 33 
  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 9 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EST FRIDAY. 

A LOW WATER ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST SATURDAY. 

* AT 9 PM THE WATER LEVEL AT TOLEDO WAS 8 INCHES BELOW
  CHART DATUM. WATER LEVELS WILL FLUCTUATE OVERNIGHT AND COULD
  FALL AS MUCH AS 30 INCHES BELOW CHART DATUM OR 14 INCHES BELOW
  THE CRITICAL MARK. WATER LEVELS WILL IMPROVE ON SATURDAY AND
  CLIMB ABOVE THE CRITICAL MARK FOR SAFE NAVIGATION BY LATE
  AFTERNOON. 

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.

A LOW WATER ADVISORY MEANS WATER LEVELS ARE EXPECTED TO BE
SIGNIFICANTLY BELOW AVERAGE. MARINERS SHOULD USE EXTREME CAUTION
AND TRANSIT AT THE SLOWEST SAFE NAVIGABLE SPEED TO MINIMIZE
IMPACT.

&&

$$

LCZ460-221200-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T1200Z/
LAKE ST. CLAIR-
939 PM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 28 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 37 
  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 9 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 11 PM EST FRIDAY. 

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.

&&

$$

LHZ361-221200-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T1200Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
939 PM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 35 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 45 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 11 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 16 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 9 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 11 PM EST FRIDAY. 

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.

&&

$$

LHZ421-441>443-221445-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T1500Z/
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-
939 PM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 38 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 50 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 19 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 27 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 9 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 11 PM EST FRIDAY. 

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.

&&

$$

LHZ422-220900-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T0900Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
939 PM EST FRI DEC 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 30 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 37 
  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 9 PM EST FRIDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EST FRIDAY. 

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.

&&

$$

LHZ362-363-221200-
/O.CON.KDTX.SR.W.0002.000000T0000Z-121222T1200Z/
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
939 PM EST FRI DEC 21 2012

...STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

A STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED 
  WINDS UP TO 41 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 54 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 21 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 30 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 2 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 2 AM EST 
  SATURDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$

LHZ462>464-221200-
/O.CON.KDTX.SR.W.0002.000000T0000Z-121222T1200Z/
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
939 PM EST FRI DEC 21 2012

...STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

A STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY. 

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED 
  WINDS UP TO 41 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 55 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 24 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 35 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 1 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 2 AM EST 
  SATURDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$

KURIMSKI
821 
WHUS73 KDTX 220834
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
334 AM EST SAT DEC 22 2012

...WINDS DECREASING TODAY...

.PRESQUE ISLE LIGHT SHOWED A PROLONG PERIOD OF STORM FORCE WIND GUSTS 
YESTERDAY EVENING...BUT HAVE NOW DIMINISHED TO GALES. STRONG LOW 
PRESSURE OVER SOUTHERN QUEBEC WILL CONTINUE TO SLOWLY PULL AWAY...WITH 
WINDS CONTINUING TO SLOWLY DIMINISH TODAY OVER THE CENTRAL GREAT LAKES. 
WINDS WILL DROP BELOW 20 KNOTS ACROSS MOST LOCATIONS TONIGHT INTO 
TOMORROW...WITH THE LIGHT WINDS PERSISTING EARLY NEXT WEEK.

LHZ462>464-222100-
/O.CAN.KDTX.SR.W.0002.000000T0000Z-121222T1200Z/
/O.EXB.KDTX.GL.W.0034.000000T0000Z-121222T2100Z/
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
334 AM EST SAT DEC 22 2012

...GALE WARNING IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...
...STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS
  UP TO 38 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 47 KNOTS. THE
  LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 23 FEET WITH A
  POTENTIAL MAXIMUM WAVE HEIGHT OF 33 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 4 AM EST SATURDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EST SATURDAY.

THE STORM WARNING HAS BEEN CANCELLED. 

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.

&&

$$

LHZ362-363-222100-
/O.CAN.KDTX.SR.W.0002.000000T0000Z-121222T1200Z/
/O.EXB.KDTX.GL.W.0034.000000T0000Z-121222T2100Z/
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
334 AM EST SAT DEC 22 2012

...GALE WARNING IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...
...STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS
  UP TO 36 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 46 KNOTS. THE
  LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 21 FEET WITH A
  POTENTIAL MAXIMUM WAVE HEIGHT OF 30 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 4 AM EST SATURDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EST SATURDAY.

THE STORM WARNING HAS BEEN CANCELLED. 

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.

&&

$$

LEZ444-222100-
/O.CAN.KDTX.GL.W.0034.000000T0000Z-121222T0900Z/
/O.NEW.KDTX.SC.Y.0111.121222T0834Z-121222T2200Z/
/O.CAN.KDTX.LO.Y.0012.000000T0000Z-121222T2100Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
334 AM EST SAT DEC 22 2012

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...
...GALE WARNING IS CANCELLED...
...LOW WATER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 22 KNOTS FROM THE NORTHWEST 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 3 AM EST 
  SATURDAY WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EST 
  SATURDAY. 

THE GALE WARNING HAS BEEN CANCELLED. THE LOW WATER 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.

&&

$$

LCZ460-222100-
/O.CAN.KDTX.GL.W.0034.000000T0000Z-121222T1200Z/
/O.NEW.KDTX.SC.Y.0111.121222T0834Z-121222T2100Z/
LAKE ST. CLAIR-
334 AM EST SAT DEC 22 2012

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...
...GALE WARNING IS CANCELLED...

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

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 26 KNOTS FROM THE NORTHWEST WITH GUSTS UP
  TO 32 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 4 AM EST SATURDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EST SATURDAY.

THE GALE WARNING 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.

&&

$$

LHZ422-222100-
/O.CAN.KDTX.GL.W.0034.000000T0000Z-121222T0900Z/
/O.NEW.KDTX.SC.Y.0111.121222T0834Z-121222T2100Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
334 AM EST SAT DEC 22 2012

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...
...GALE WARNING IS CANCELLED...

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

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 24 KNOTS FROM THE NORTHWEST WITH GUSTS UP
  TO 33 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 4 AM EST SATURDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EST SATURDAY.

THE GALE WARNING 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.

&&

$$

LHZ361-222100-
/O.EXT.KDTX.GL.W.0034.000000T0000Z-121222T2100Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
334 AM EST SAT DEC 22 2012

...GALE WARNING NOW IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...

THE GALE WARNING IS NOW IN EFFECT UNTIL 4 PM EST THIS AFTERNOON. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 32 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 42 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 10 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 14 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 4 AM EST SATURDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EST 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.

&&

$$

LHZ421-441>443-221500-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T1500Z/
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-
334 AM EST SAT DEC 22 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING...

A GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 34 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 47 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 19 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 27 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 4 AM EST SATURDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EST 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.

&&

$$
098 
WHUS73 KDTX 221508
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1008 AM EST SAT DEC 22 2012

...GALES RELEASING OVER LAKE HURON DURING THE AFTERNOON...

.STRONG LOW PRESSURE OVER SOUTHERN QUEBEC WILL CONTINUE TO SLOWLY
PULL AWAY DURING THE AFTERNOON BUT WILL SUPPORT A FEW MORE HOURS
OF GALES OVER THE CENTRAL LAKE HURON OPEN WATERS. WINDS WILL DROP
BELOW 20 KNOTS ACROSS MOST LOCATIONS TONIGHT INTO TOMORROW...WITH
THE LIGHT WINDS PERSISTING EARLY NEXT WEEK.

LHZ361-462>464-221615-
/O.CAN.KDTX.GL.W.0034.000000T0000Z-121222T2100Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
1008 AM EST SAT DEC 22 2012

...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
GALE WARNING. WIND GUSTS HAVE DROPPED BELOW 35 KNOTS AND THIS WILL
REMAIN THE CASE THROUGH TODAY.

$$

LHZ421-441-230315-
/O.EXP.KDTX.GL.W.0034.000000T0000Z-121222T1500Z/
/O.NEW.KDTX.SC.Y.0112.121222T1508Z-121223T0900Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI-
1008 AM EST SAT DEC 22 2012

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST SUNDAY...
...GALE WARNING HAS EXPIRED...

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 25 KNOTS FROM THE NORTHWEST WITH GUSTS UP
  TO 30 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 12
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 17 FEET.

* TIMING: THE MAXIMUM WINDS AND WAVES ARE EXPECTED DURING THE LATE
  MORNING. 

THE GALE WARNING IS NO LONGER IN EFFECT. 

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.

&&

$$

LHZ442-443-230315-
/O.EXP.KDTX.GL.W.0034.000000T0000Z-121222T1500Z/
/O.NEW.KDTX.SC.Y.0112.121222T1508Z-121223T0900Z/
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
1008 AM EST SAT DEC 22 2012

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST SUNDAY...
...GALE WARNING HAS EXPIRED...

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 20 KNOTS FROM THE NORTHWEST WITH GUSTS UP
  TO 30 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 11
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 16 FEET.

* TIMING: THE MAXIMUM WINDS AND WAVES ARE EXPECTED DURING THE LATE
  MORNING. 

THE GALE WARNING IS NO LONGER IN EFFECT. 

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.

&&

$$

LCZ460-LHZ422-221615-
/O.CAN.KDTX.SC.Y.0111.000000T0000Z-121222T2100Z/
LAKE ST. CLAIR-
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
1008 AM EST SAT DEC 22 2012

...SMALL CRAFT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
SMALL CRAFT ADVISORY. WIND GUSTS HAVE DROPPED BELOW 25 KNOTS AND
THIS WILL REMAIN THE CASE THROUGH TODAY.

$$

LEZ444-221615-
/O.CAN.KDTX.SC.Y.0111.000000T0000Z-121222T2200Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
1008 AM EST SAT DEC 22 2012

...SMALL CRAFT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
SMALL CRAFT ADVISORY. WIND GUSTS HAVE DROPPED BELOW 25 KNOTS AND
THIS WILL REMAIN THE CASE THROUGH TODAY.

$$

LHZ362-363-222100-
/O.CON.KDTX.GL.W.0034.000000T0000Z-121222T2100Z/
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
1008 AM EST SAT DEC 22 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...

A GALE WARNING REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS
  UP TO 30 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 38 KNOTS. THE
  LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 13 FEET WITH A
  POTENTIAL MAXIMUM WAVE HEIGHT OF 19 FEET.

* TIMING: THE MAXIMUM WINDS AND WAVES ARE EXPECTED DURING THE LATE
  MORNING. 

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.

&&

$$
914 
WHUS73 KDTX 222038
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
338 PM EST SAT DEC 22 2012

...HIGH WAVES WILL LINGER TONIGHT...

.CONSIDERABLE IMPROVEMENT IN MARINE CONDITIONS IS UNDERWAY FOR 
TONIGHT THROUGH SUNDAY. LINGERING HIGH WAVES OVER SOUTHERN LAKE 
HURON WILL REQUIRE A SMALL CRAFT ADVISORY TONIGHT WHILE MODERATE 
WEST TO NORTHWEST WIND WILL BE SUPPORTED BY HIGH PRESSURE SETTLING 
INTO THE OHIO VALLEY AND A WEAK COLD FRONT MOVING THROUGH NORTHERN 
LAKE HURON. THIS FRONT WILL BRING IN AN EXTENSION OF HIGH PRESSURE 
FROM CENTRAL CANADA THAT WILL REMAIN IN PLACE THROUGH MONDAY AS A 
NEW LOW PRESSURE SYSTEM MOVES THROUGH THE OHIO VALLEY. THE END 
RESULT WILL BE CONTINUED MODERATE CONDITIONS OVER ALL MARINE AREAS 
WITH INTERVALS OF ONSHORE FLOW POSSIBLY LEADING TO THE NEED FOR 
SHORT SMALL CRAFT ADVISORIES ON SOUTHERN LAKE HURON AT TIMES DURING 
THE FIRST HALF OF THE WEEK. A STRONGER LOW IS THEN EXPECTED IN THE 
GREAT LAKES BY WEDNESDAY THAT WILL LIKELY BRING HIGHER IMPACT 
NORTHERLY WIND AND INCREASED CHANCE OF SNOW.

LHZ362-363-222145-
/O.EXP.KDTX.GL.W.0034.000000T0000Z-121222T2100Z/
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
338 PM EST SAT DEC 22 2012

...GALE WARNING WILL EXPIRE AT 4 PM EST THIS AFTERNOON...

THE GALE WARNING WILL EXPIRE AT 4 PM EST THIS AFTERNOON. 

* WIND AND WAVES HAVE IMPROVED CONSIDERABLY DURING THE AFTERNOON
  WITH GUSTS DROPPING BELOW 35 KNOTS. IMPROVEMENT WILL CONTINUE
  THROUGH THE REST OF TONIGHT BUT WAVES WILL LINGER ON THE HIGH
  SIDE WITH SIGNIFICANT WAVES OF 9 FEET WITH A POTENTIAL MAXIMUM
  WAVE HEIGHT OF 13 FEET DURING THE EVENING.


$$

LHZ421-441-230900-
/O.CON.KDTX.SC.Y.0112.000000T0000Z-121223T0900Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI-
338 PM EST SAT DEC 22 2012

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

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

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 20 KNOTS FROM THE WEST WITH GUSTS UP TO 
  25 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 8 
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 11 FEET. 

* TIMING: THE MAXIMUM WINDS AND WAVES ARE EXPECTED DURING THE
  AFTERNOON AND EVENING. 

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.

&&

$$

LHZ442-443-230900-
/O.CON.KDTX.SC.Y.0112.000000T0000Z-121223T0900Z/
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
338 PM EST SAT DEC 22 2012

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

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

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 18 KNOTS FROM THE WEST WITH GUSTS UP TO 
  24 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 8 
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 11 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED DURING THE AFTERNOON AND
  EVENING. 

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

What forecasters said that day

The local office's own words before this gale warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Detroit, MI wrote its last area forecast discussion before this gale warning went out at Dec 19, 6:13 AM EST, 3 hours 51 minutes earlier.

Area forecast discussion, Dec 19, 6:13 AM EST, 3 hours 51 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
613 AM EST WED DEC 19 2012

.AVIATION...

//DISCUSSION...

IFR/MVFR STRATUS LEFT IN PLACE IN WAKE OF WEAK LOW LAST NIGHT WILL
ERODE WITH TIME THIS MORNING...WITH CIGS PREDOMINANTLY AOA 8KFT BY
THIS AFTERNOON AS UPPER CLOUDS THEN THICKEN WITH THE APPROACH OF THE
NEXT LOW PRESSURE SYSTEM. CIGS WILL LOWER TONIGHT WITH A RETURN OF
IFR/MVFR CIGS BY THE END OF THE FORECAST PERIOD AS AN AREA OF RAIN
AND/OR SNOW LIFTS INTO THE AREA THURSDAY MORNING.

FOR DTW...IFR/MVFR CIGS BETWEEN 600-1200 FEET WILL PERSIST EARLY IN
THE FORECAST...BUT IMPROVING CONDITIONS ARE EXPECTED BY MIDDAY AS
HIGH PRESSURE BRINGS DRIER LOW LEVEL AIR. APPROACHING LOW PRESSURE
WILL BRING A RETURN OF IFR/MVFR CONDITIONS BY THURSDAY MORNING WITH
SHOWERS SPREADING INTO THE AREA.

//DTW THRESHOLD THREATS...

* HIGH CONFIDENCE OF CEILINGS BELOW 5000 FEET THIS MORNING.

* HIGH CONFIDENCE OF CEILINGS FALLING BACK BELOW 5000 FEET AFTER 12Z
  THURSDAY.

&&

.PREV DISCUSSION...ISSUED 415 AM EST WED DEC 19 2012

SHORT TERM...TODAY AND TONIGHT

A FEW SPRINKLES/FLURRIES WITHIN SHEARED OUT VORT LOBE LEFTOVER FROM
PASSING SHORTWAVE THIS PAST EVENING WILL END EARLY THIS MORNING. THE
LOWER STRATUS THIS SYSTEM USHERED INTO THE AREA WILL PERSIST THOUGH
SO MOSTLY CLOUDY SKIES ARE EXPECTED THIS MORNING. SOME DRIER AIR
WILL WORK INTO THE REGION THIS AFTERNOON WITH HOLES ALREADY EVIDENT
(PER 11U-3.9U SATELLITE IMAGERY) IN THIS STRATUS DECK TO OUR WEST
AND NORTHWEST. UNFORTUNATELY...THIS DECREASED LOW LEVEL CLOUDINESS
WILL BE REPLACED BY INCREASED UPPER LEVEL CLOUDINESS IN ADVANCE OF
THE NEXT APPROACHING STORM SYSTEM...SO THE OVERALL RESULT WILL BE A
WASH WITH MOSTLY CLOUDY SKIES MUCH OF THE DAY WITH JUST A GLIMPSES
OF SUNSHINE MIDDAY/EARLY AFTERNOON. WITH VERY LITTLE CHANGE IN THE
OVERALL AIRMASS...TEMPERATURES WILL REMAIN RELATIVELY MILD FOR THIS
TIME OF YEAR WITH HIGHS FROM THE UPPER 30S TO LOWER 40S NORTH TO
SOUTH ACROSS THE AREA.

THE AFOREMENTIONED STORM SYSTEM WILL EMERGE OVER THE SOUTHERN PLAINS
TODAY AFTER CROSSING THE SOUTHERN ROCKY MOUNTAINS. IT WILL THEN BEGIN
A STEADY DEEPENING PHASE TONIGHT AS IT LIFTS NORTHEAST INTO THE MID
MISSISSIPPI VALLEY. NOW THAT THE SOUTHERNMOST UPPER LEVEL SUPPORT
FOR THIS STORM IS ONSHORE AND WELL SAMPLED...00Z MODELS DO NOT VARY
MUCH ON THE TRACK AND INTENSITY MUCH...PLACING A 991-994MB SURFACE
LOW JUST NORTH OF ST LOUIS 12Z THURSDAY MORNING. LEADING ISENTROPIC
ASCENT WELL IN ADVANCE OF THE STORM CENTER WILL ALLOW A SHIELD OF
LIGHT PRECIPITATION TO SPREAD INTO THE AREA LATE TONIGHT WITH THE
PRECIPITATION CHANCES INCREASING SUBSTANTIALLY AFTER MIDNIGHT.

THE MODELS DO DIFFER SOMEWHAT IN THE THERMAL PROFILE OVER SOUTHEAST
LOWER MICHIGAN DURING THIS TIME FRAME...WHICH HAS SOME IMPACT ON THE
PLACEMENT OF PRECIPITATION TYPES. IN GENERAL...HOWEVER...EXPECT
LIGHT RAIN SHOWERS SOUTH OF INTERSTATE-69...WITH A MIX GOING TO ALL
LIGHT SNOW NORTH FROM THERE. WITH PRECIPITATION AMOUNTS RATHER LIGHT
THROUGH 12Z...ANY SNOWFALL AMOUNTS WILL BE GENERALLY LESS THAN AN
INCH...WITH PERHAPS UP TO AN INCH OVER THE FAR NORTHWEST CWA NORTH
AND WEST OF SAGINAW. LOW TEMPERATURES WILL BEGIN MODERATING FROM
SOUTH TO NORTH LATE AT NIGHT WITH MINIMUM TEMPERATURES RANGING FROM
THE LOWER 30S FAR NORTH TO CLOSE TO 40 AT THE OHIO/MICHIGAN STATE
LINE.

LONG TERM...THURSDAY THROUGH TUESDAY

MAIN FOCUS IN THE LONGER TERM PORTION OF THE FORECAST CONTINUES TO
CENTER AROUND INCOMING STORM SYSTEM...WHICH WILL BRING A COMBINATION
OF RAIN AND SNOW TO THE AREA THROUGH FRIDAY IN ADDITION TO SOME
STRONG WINDS. VERY COLD AIR WILL THEN POUR INTO THE AREA TO END THE
WEEK...GIVING SOUTHEAST MICHIGAN A MORE SEASONABLE TASTE OF WINTER.

SOMEWHAT CONCERNED FURTHER ADJUSTMENTS TO THE LOW TRACK WILL BE MADE
OVER THE NEXT 24 HOURS AS SYSTEM IS BETTER SAMPLED AND INITIALIZED
BY GUIDANCE. LOOKING AT THE 19.00Z UPPER AIR PLOT...IT SEEMS LIKE
MODELS WERE UNDERDONE WITH THEIR INITIALIZATION OF BOTH THE
SUBTROPICAL JET EXTENDING UP THROUGH SOUTHERN CALIFORNIA AND THE
INCOMING JET NEARING THE PACNW COAST...PER UPPER AIR NETWORK (WHICH
MAY HAVE INCLUDED SOME DROPSONDE DATA). MODEL SOLUTIONS DO HOWEVER
REMAIN CLUSTERED WITH TAKING THE CENTER OF THE LOW ACROSS SOUTHEAST
MICHIGAN THURSDAY NIGHT...WHICH DOES PLACE THE SWATH OF HEAVIEST
SNOW ACROSS AREAS WEST AND NORTH OF HERE. IT IS CLOSE
ENOUGH...HOWEVER...TO BEAR CLOSE WATCH. THERE STILL REMAINS
POTENTIAL THAT SNOW ACCUMULATIONS BOTH EARLY ON THURSDAY AND AGAIN
LATE THURSDAY NIGHT INTO FRIDAY MAY NEED ADJUSTMENT...POSSIBLY EVEN
UPWARD...ESPECIALLY ACROSS THE SAGINAW VALLEY. ALTHOUGH SNOW IS
STILL EXPECTED TO CHANGE OVER TO RAIN ACROSS THE ENTIRE AREA
THURSDAY AFTERNOON...MODELS (ESPECIALLY 00Z EURO) SHOW SOME
POTENTIAL FOR EARLY DAY ACCUMULATIONS THERE WHICH WOULD IMPACT THE
MORNING COMMUTE...AND FORECAST DOES REFLECT THIS.

MOST LIKELY SCENARIO AT THIS TIME IS FOR WARMER AIR TO CONTINUE
SURGING NORTHWARD INTO LOWER MICHIGAN THROUGH THE DAY AND EVENING
THURSDAY AS THE LOW LIFTS UP FROM THE CENTRAL PLAINS INTO
MICHIGAN...PUSHING A WARM FRONT UP THROUGH THE AREA. GREAT MOISTURE
TRANSPORT IS EXPECTED...WITH GULF MOISTURE USHERED IN BY A 50-60
KNOT LOW-LEVEL JET (PW VALUES RISING UP TO AN INCH). MOISTURE WILL
COMBINE WITH STRONG FORCING FROM UPPER JET...PVA...STRONG FGEN...AND
LOW STABILITY TO PROVIDE A WIDESPREAD PRECIPITATION EVENT ACROSS THE
AREA. SLIGHT SOUTHERLY SHIFT IN THE LOW TRACK SUGGESTS A LITTLE
BETTER POTENTIAL FOR SNOW TO LINGER LONGER ACROSS THE SAGINAW VALLEY
AND THUMB...WITH PRETTY HIGH CONFIDENCE FOR RAIN LATER IN THE DAY.
TOTAL ACCUMULATIONS OF 1 TO 2 INCHES OF HEAVY WET SNOW COULD AFFECT
TRAVEL EARLY IN THE DAY BEFORE THIS CHANGEOVER OCCURS. WARMER AND
STRONG EASTERLY FLOW OFF LAKE HURON AND SAGINAW BAY WILL ALSO CUT
INTO SNOWFALL TOTALS AND REDUCE RATIOS. DRY SLOT IS EXPECTED TO
CROSS OVER THE AREA THURSDAY EVENING...BRINGING A LULL IN
PRECIPITATION OR CHANGING IT OVER TO DRIZZLE (NON-FREEZING). COLD
FRONT AND WRAP AROUND MOISTURE WILL THEN PUSH INTO THE AREA THURSDAY
NIGHT...CHANGING PRECIPITATION BACK OVER TO SNOW...WHICH WILL THEN
CONTINUE INTO FRIDAY. DO THINK MOST OF THE AREA WILL SEE LIGHT
ACCUMULATIONS OF 1 TO 2 INCHES...WITH 3 LOOKING MORE POSSIBLE NEAR
LAKE HURON DUE TO LAKE ENHANCEMENT.

OTHER BIG IMPACT BESIDES THE FIRST WIDESPREAD SNOW ACCUMULATIONS OF
THE SEASON WILL BE STRONG WINDS. BREEZY CONDITIONS WILL DEVELOP AS
THE LOW APPROACHES AND WINDS PICK UP FROM THE EAST ON THURSDAY.
BIGGER ISSUE WILL BE ON FRIDAY AS WINDS TURN TO THE NORTHWEST BEHIND
THE SYSTEM AND COLDER AIR INTRUDING INTO THE AREA STEEPENS LAPSE
RATES AND DEEPENS THE MIXED LAYER. MODELS CONTINUE TO SHOW A CORE OF
40-50 KNOT WINDS WHICH COULD BE TAPPED INTO...AND WILL CONTINUE TO
FORECAST WINDY CONDITIONS WITH GUSTS TO 40 AND HIGHLIGHT POSSIBILITY
OF A WIND ADVISORY (45 MPH+) IN THE HWO. ISALLOBARIC COMPONENT IS
STILL PRESENT ON RECENT MODEL RUNS...BUT PRESSURE CHANGE GRADIENT
HAS WEAKENED A LITTLE AS MODELS HAVE ADDED A FEW MB TO THE CENTRAL
PRESSURE. REGARDLESS OF WHETHER OR NOT WE NEED A HEADLINE...WINDY
CONDITIONS ARE LIKELY ON FRIDAY AND SHOULD PROVIDE WIND CHILLS IN
THE TEENS TO LOW 20S THE ENTIRE DAY.

COLD NORTHWEST FLOW WILL PREVAIL OVER THE WEEKEND WITH A SHORTWAVE
DROPPING DOWN FROM CANADA SATURDAY NIGHT OR SUNDAY PROVIDING A
REINFORCING SHOT OF COLD AIR. STILL VERY UNCERTAIN IN POTENTIAL FOR
ANOTHER STORM SYSTEM TO HIT THE AREA ON CHRISTMAS WITH THE LATEST
GFS TRYING TO SPREAD RAIN/SNOW INTO THE AREA AND THE EURO KEEPING
THE SYSTEM TO OUR SOUTH UNTIL LATER IN THE WEEK.

MARINE...

MARINE CONDITIONS WILL REMAIN RELATIVELY CALM INTO TONIGHT AS HIGH
PRESSURE BUILDS ACROSS THE REGION. HOWEVER...WINDS AND WAVES WILL
INCREASE SUBSTANTIALLY ON THURSDAY AS A STRONG LOW PRESSURE SYSTEM
APPROACHES THE CENTRAL GREAT LAKES. THERE IS THE POTENTIAL FOR EAST
TO SOUTHEAST GALES OVER PORTIONS OF LAKE HURON AS THE LOW PRESSURE
LIFTS INTO THE SOUTHERN LOWER MICHIGAN.

AFTER A BRIEF LULL PART OF THURSDAY NIGHT AS THE LOW PRESSURE CENTER
CROSSES THE AREA...THERE WILL BE A STRONG LIKELIHOOD OF HIGH END
GALES OVER ALL MARINE AREAS FRIDAY INTO SATURDAY AS THE SYSTEM EXITS
TO THE EAST AND WIND INCREASES FROM THE NORTHWEST. THERE IS ALSO A
SMALL POTENTIAL OF A SHORT STORM EVENT NESTED WITHIN THE HEIGHT OF
THE GALES DURING FRIDAY. AT THIS TIME...THERE IS NOT QUITE ENOUGH
EVIDENCE FOR AN EXTRA HEADLINE...BUT IT IS SOMETHING THAT WILL BE
EVALUATED IN UPCOMING FORECASTS.

THIS LARGE LOW PRESSURE SYSTEM IS STILL SLATED TO EXIT THE AREA LATE
SATURDAY INTO SATURDAY NIGHT WITH WEAK HIGH PRESSURE THEN BRINGING
NOTABLY WEAKER WINDS TO WRAP UP THE WEEKEND.

&&

.DTX WATCHES/WARNINGS/ADVISORIES...
MI...NONE.

LAKE HURON...
     GALE WATCH...LHZ361-LHZ362-LHZ363-LHZ441-LHZ442-LHZ443-LHZ462-
     LHZ463-LHZ464...FROM 7 AM THURSDAY TO 3 PM SATURDAY.

     GALE WATCH...SAGINAW BAY...FROM 7 AM FRIDAY TO 3 PM SATURDAY.

LAKE ST CLAIR...
     GALE WATCH...FROM 7 AM FRIDAY TO 3 PM SATURDAY.

MI WATERS OF LAKE ERIE...
     GALE WATCH...FROM 7 AM FRIDAY TO 3 PM SATURDAY.

&&

AVIATION.....DG
SHORT TERM...DG
LONG TERM....HLO
MARINE.......DG

YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE
AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).
Hazardous weather outlook, Dec 19, 4:33 AM EST, 5 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
433 AM EST WED DEC 19 2012

MIZ047>049-053>055-201000-
MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-
433 AM EST WED DEC 19 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

LIGHT SNOW IS POSSIBLE LATE TONIGHT. UP TO ONE INCH OF
ACCUMULATION IS POSSIBLE ACROSS THE SAGINAW VALLEY.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

LIGHT SNOW WILL CONTINUE TO SPREAD INTO THE AREA THURSDAY MORNING.
ACCUMULATIONS ARE STILL QUITE UNCERTAIN HOWEVER DUE TO QUESTIONS WITH HOW
FAST WARM AIR WILL SURGE NORTHWARD. ADDITIONAL ACCUMULATIONS OF UP TO
AN INCH AND A HALF OF HEAVY WET SNOW WILL BE POSSIBLE EARLY IN THE
DAY BEFORE SNOW CHANGES TO ALL RAIN IN THE AFTERNOON.

COLD AIR POURING IN BEHIND AN INTENSE LOW PRESSURE SYSTEM WILL
THEN CHANGE RAIN BACK OVER TO SNOW THURSDAY NIGHT...WITH SNOW
SHOWERS CONTINUING INTO FRIDAY. ONE TO TWO INCHES OF ACCUMULATION
WILL BE POSSIBLE...WITH UP TO 3 INCHES POSSIBLE ACROSS THE THUMB
AS SNOW IS ENHANCED BY NORTHERLY FLOW OFF LAKE HURON.

VERY STRONG NORTHWEST WINDS MAY ALSO DEVELOP ON FRIDAY...WITH
GUSTS APPROACHING 45 MPH. A WIND ADVISORY MAY BE NEEDED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

MIZ060>063-068>070-075-076-082-083-201000-
SHIAWASSEE-GENESEE-LAPEER-ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-
WASHTENAW-WAYNE-LENAWEE-MONROE-
433 AM EST WED DEC 19 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

COLD AIR POURING IN BEHIND AN INTENSE LOW PRESSURE SYSTEM WILL CHANGE
RAIN OVER TO SNOW THURSDAY NIGHT...WITH SNOW SHOWERS CONTINUING
INTO FRIDAY. ONE TO TWO INCHES OF ACCUMULATION WILL BE
POSSIBLE...WITH UP TO 3 INCHES POSSIBLE ACROSS THE THUMB AS SNOW
IS ENHANCED BY NORTHERLY FLOW OFF LAKE HURON.

VERY STRONG NORTHWEST WINDS MAY ALSO DEVELOP ON FRIDAY...WITH
GUSTS APPROACHING 45 MPH. A WIND ADVISORY MAY BE NEEDED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

LCZ422-423-460-LEZ444-LHZ361>363-421-422-441>443-462>464-201000-
ST. CLAIR RIVER-DETROIT RIVER-LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
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-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF SHORE-
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-
PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI-
PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
433 AM EST WED DEC 19 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE
HURON AND LAKE ST CLAIR.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

GALE WATCHES ARE IN EFFECT FROM THURSDAY THROUGH EARLY SATURDAY AS
STRONG WINDS DEVELOP WITH THE PASSAGE OF A STRONG LOW PRESSURE
SYSTEM. THERE IS ALSO SOME POTENTIAL FOR A PERIOD OF STORM FORCE
WIND GUSTS TO MATERIALIZE OVER LAKE HURON ON FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

HLO

YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE
AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).

Nearby

Gale Warnings in Michigan, 2012Every gale warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.