Alert archive / Michigan / Storm Warnings in 2012

Storm Warning 2, NWS Detroit, MI

December 21, 2012

NWS Detroit, MI issued this storm warning at Dec 21, 2012, 3:40 AM EST. It took effect at Dec 21, 2012, 10:02 AM EST. It was in force for 18 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 21, 2012, 3:40 AM EST (08:40 UTC)
In effect from
Dec 21, 2012, 10:02 AM EST
Expired
Dec 22, 2012, 3:34 AM EST
In force
18 hr
Issued by
NWS Detroit, MI

The text

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

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.

&&

$$
5 follow-up statements
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.

&&

$$

The office that day

Everything else NWS Detroit, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 20, 7:11 PM ESTSpecial Marine WarningDTX65 min
Dec 21, 3:34 AM ESTWinter Weather AdvisoryDTXBay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more10 hr
Dec 21, 10:22 AM ESTLow Water AdvisoryDTX17 hr
Dec 21, 2:13 PM ESTWind AdvisoryDTXBay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more11 hr

Nearby

Storm Warnings in Michigan, 2012Every storm 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.