Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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758
WHUS73 KDTX 120912
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
412 AM EST FRI FEB 12 2016

...NORTHWEST GALES AND HEAVY FREEZING SPRAY EXPECTED FROM LATE
TODAY INTO SATURDAY...

.AN ARCTIC FRONT SLIDING THROUGH THE CENTRAL GREAT LAKES THIS
AFTERNOON AND EVENING WILL PRODUCE SNOW SQUALLS...AS STRONG WINDS
ALOFT AND FRIGID AIR GLIDING OVER THE WARMER LAKE WATERS WILL CREATE
UNSTABLE CONDITIONS...ALLOWING GALE FORCE WINDS TO DEVELOP OVER THE
OPEN WATERS OF LAKE HURON. HIGH-END GALE FORCE GUSTS TO 45 KNOTS ARE
EXPECTED BY EVENING...LASTING INTO THE EARLY OVERNIGHT HOURS. WINDS
WILL SUBSIDE BELOW GALE FORCE SATURDAY MORNING...THEN DECREASE
FURTHER THROUGH THE DAY AND FINALLY BECOME LIGHT SATURDAY NIGHT AS
HIGH PRESSURE SETTLES INTO THE AREA.

THE GALE FORCE WINDS COMBINED WITH LARGE WAVES AND FRIGID AIR WILL
ALSO CREATE AREAS OF HEAVY FREEZING SPRAY. A HEAVY FREEZING SPRAY
WARNING IS IN EFFECT FOR ALL OF LAKE HURON LATE FRIDAY AFTERNOON
THROUGH FRIDAY NIGHT...LASTING THROUGH SATURDAY FOR THE SOUTHERN
BASIN OF THE LAKE.

LHZ361-362-122100-
/O.CON.KDTX.GL.W.0009.160212T1800Z-160213T0900Z/
/O.CON.KDTX.UP.W.0003.160212T1800Z-160213T0900Z/
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-
412 AM EST FRI FEB 12 2016

...GALE WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
4 AM EST SATURDAY...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 4 AM EST SATURDAY...

* EXPECT HEAVY FREEZING SPRAY TO OCCUR FROM 1 PM THIS AFTERNOON
  TO 4 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 13 FEET
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 19 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 7 PM EST FRIDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 8 PM EST FRIDAY.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAVY FREEZING SPRAY WARNING MEANS HEAVY FREEZING SPRAY IS
EXPECTED TO RAPIDLY ACCUMULATE ON VESSELS. THESE CONDITIONS CAN
BE EXTREMELY HAZARDOUS TO NAVIGATION. IT IS RECOMMENDED THAT
MARINERS NOT TRAINED TO OPERATE IN THESE CONDITIONS OR VESSELS
NOT PROPERLY EQUIPPED TO DO SO...REMAIN IN PORT OR AVOID THE
WARING AREA.

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>443-122100-
/O.CON.KDTX.GL.W.0009.160212T1800Z-160213T1500Z/
/O.CON.KDTX.UP.W.0003.160212T1800Z-160213T1500Z/
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 FRI FEB 12 2016

...GALE WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
10 AM EST SATURDAY...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 10 AM EST SATURDAY...

* EXPECT HEAVY FREEZING SPRAY TO OCCUR FROM 1 PM THIS AFTERNOON
  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 10 FEET
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 14 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 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 HEAVY FREEZING SPRAY WARNING MEANS HEAVY FREEZING SPRAY IS
EXPECTED TO RAPIDLY ACCUMULATE ON VESSELS. THESE CONDITIONS CAN
BE EXTREMELY HAZARDOUS TO NAVIGATION. IT IS RECOMMENDED THAT
MARINERS NOT TRAINED TO OPERATE IN THESE CONDITIONS OR VESSELS
NOT PROPERLY EQUIPPED TO DO SO...REMAIN IN PORT OR AVOID THE
WARING AREA.

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.

&&

$$

LHZ363-462>464-122100-
/O.CON.KDTX.GL.W.0009.160212T1800Z-160213T1500Z/
/O.CON.KDTX.UP.W.0003.160212T1800Z-160214T0300Z/
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM 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-
412 AM EST FRI FEB 12 2016

...GALE WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
10 AM EST SATURDAY...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 10 PM EST SATURDAY...

* EXPECT HEAVY FREEZING SPRAY TO OCCUR FROM 1 PM THIS AFTERNOON
  TO 10 PM EST SATURDAY.

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED
  WINDS UP TO 36 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 45
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 15 FEET
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 22 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 6 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 HEAVY FREEZING SPRAY WARNING MEANS HEAVY FREEZING SPRAY IS
EXPECTED TO RAPIDLY ACCUMULATE ON VESSELS. THESE CONDITIONS CAN
BE EXTREMELY HAZARDOUS TO NAVIGATION. IT IS RECOMMENDED THAT
MARINERS NOT TRAINED TO OPERATE IN THESE CONDITIONS OR VESSELS
NOT PROPERLY EQUIPPED TO DO SO...REMAIN IN PORT OR AVOID THE
WARING AREA.

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.

&&

$$

DG



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