Alert archive / Michigan / Gale Warnings in 2017

Gale Warning 39, NWS Detroit, MI

December 3, 2017

NWS Detroit, MI issued this gale warning at Dec 3, 2017, 9:50 AM EST. It took effect at Dec 4, 2017, 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 3, 2017, 9:50 AM EST (14:50 UTC)
In effect from
Dec 4, 2017, 10:00 AM EST
Expired
Dec 6, 2017, 3:43 PM EST
In force
54 hr
Issued by
NWS Detroit, MI

The text

As transmitted.

886 
WHUS73 KDTX 031450
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
950 AM EST SUN DEC 3 2017

...LONG DURATION GALE EVENT MONDAY AND TUESDAY FOR LAKE HURON...

.HIGH PRESSURE WILL RIDGE INTO THE REGION FROM THE SOUTH TODAY 
RESULTING IN LIGHT WINDS GRADUALLY BECOMING MORE SOUTHERLY WITH TIME 
BY THIS EVENING. LOW PRESSURE WILL DEVELOP ACROSS THE NORTHERN 
PLAINS ON MONDAY AND TIGHTEN THE PRESSURE GRADIENT, RESULTING IN 
STRENGTHENING SOUTHERLY WINDS ESPECIALLY OVER THE OPEN LAKE HURON 
WATERS. THE LOW PRESSURE WILL RAPIDLY DEEPEN INTO A POWERFUL STORM 
SYSTEM MONDAY NIGHT INTO TUESDAY AS IT TRACKS NORTHEAST ACROSS LAKE 
SUPERIOR AND INTO CENTRAL ONTARIO. WINDS WILL GRADUALLY VEER 
SOUTHWESTERLY MONDAY NIGHT AND INTO EARLY TUESDAY AND CONTINUE TO 
REMAIN STRONG ACROSS THE ENTIRE LAKE HURON BASIN INCLUDING SAGINAW 
BAY. A POWERFUL COLD FRONT WILL THEN SWEEP THROUGH THE REGION DURING 
THE DAY TUESDAY WITH THE FLOW BECOMING WESTERLY IN ITS WAKE. 
WIDESPREAD SHOWERS WILL ACCOMPANY THE FRONTAL PASSAGE, ALONG WITH 
POSSIBLE THUNDERSTORMS. COLDER AIR RUSHING IN BEHIND THE FRONT OVER 
THE MILD WATERS WILL CONTINUE TO SUPPORT GUSTY WINDS WELL INTO 
WEDNESDAY. A LONG DURATION, HIGH-END GALE EVENT FORECASTED, AND A
GALE WARNING IS NOW IN EFFECT FOR THE ENTIRE LAKE HURON BASIN. 
WIND GUSTS DURING THIS TIMEFRAME MAY REACH 40-45 KNOTS. LAKE 
EFFECT SNOW SHOWERS MAY ALSO BECOME QUITE PREVALENT BEGINNING 
WEDNESDAY AS THE COLD AIR CONTINUES TO GET REINFORCED BY A SERIES 
OF TROUGHS THROUGH THE WEEK.

LHZ361>363-441>443-462>464-040300-
/O.UPG.KDTX.GL.A.0035.171204T1200Z-171206T0900Z/
/O.NEW.KDTX.GL.W.0039.171204T1200Z-171206T0900Z/
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-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-
950 AM EST SUN DEC 3 2017

...GALE WARNING IN EFFECT FROM 7 AM MONDAY TO 4 AM EST
WEDNESDAY...

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 33 KNOTS FROM THE SOUTH WITH GUSTS UP TO 44 
  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 MONDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 8 PM EST MONDAY. 

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
OCCURING. 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.

&&

$$

LHZ421-422-040300-
/O.UPG.KDTX.GL.A.0035.171205T0000Z-171206T0900Z/
/O.NEW.KDTX.GL.W.0039.171204T2100Z-171206T0900Z/
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-
950 AM EST SUN DEC 3 2017

...GALE WARNING IN EFFECT FROM 4 PM MONDAY TO 4 AM EST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING WHICH IS IN EFFECT FROM 4 PM MONDAY TO 4 AM EST
WEDNESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 27 KNOTS FROM THE WEST WITH GUSTS UP TO 36 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 6 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 5 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

CB
11 follow-up statements
608 
WHUS73 KDTX 032101
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
401 PM EST SUN DEC 3 2017

...LONG DURATION GALE EVENT MONDAY AND TUESDAY FOR LAKE HURON...

.INCREASING SOUTHERLY WINDS TONIGHT AND TOMORROW, AS DEEPENING LOW 
PRESSURE TRACKS NORTHEAST OUT OF THE CENTRAL PLAINS AND REACHES 
WESTERN LAKE SUPERIOR BY MONDAY EVENING. GALE FORCE WINDS ARE 
EXPECTED ACROSS THE MAJORITY OF LAKE HURON ON MONDAY, WITH HIGH END 
GALES OVER NORTHERN LAKE HURON, PERSISTING INTO MONDAY NIGHT. THE 
STRONG COLD FRONT WILL CROSS THE CENTRAL GREAT LAKES EARLY TUESDAY 
MORNING, SHIFTING THE WINDS TO THE SOUTHWEST-WEST, WITH SUFFICIENT 
COLD AIR AND MIXING TO SUSTAIN GALES. IN FACT, WESTERLY GALES ARE 
EXPECTED TO CONTINUE RIGHT THROUGH TUESDAY NIGHT OVER THE OPEN 
WATERS OF LAKE HURON, AS THE DEEPER COLD AIR ARRIVES, WHICH WILL BE 
SUFFICIENT TO GENERATE SNOW SQUALLS FOR MUCH OF THE MID WEEK PERIOD.

ANY GALES GUSTS, IF ANY, THAT OCCUR LAKE ST. CLAIR AND LAKE ERIE 
SHOULD BE BRIEF IN NATURE, AND PEAK GUSTS AROUND 30 KNOTS SHOULD BE 
MORE REPRESENTATIVE MONDAY EVENING THROUGH TUESDAY NIGHT. SMALL 
CRAFT ADVISORIES HAVE BEEN ISSUED.

LHZ361>363-040915-
/O.EXT.KDTX.GL.W.0039.171204T1500Z-171206T0900Z/
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-
401 PM EST SUN DEC 3 2017

...GALE WARNING NOW IN EFFECT FROM 10 AM MONDAY TO 4 AM EST
WEDNESDAY...

THE GALE WARNING IS NOW IN EFFECT FROM 10 AM MONDAY TO 4 AM EST
WEDNESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 35 KNOTS FROM THE SOUTH WITH GUSTS UP TO 45 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 1 PM EST MONDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EST MONDAY. 

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
OCCURING. 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>443-462>464-040915-
/O.EXT.KDTX.GL.W.0039.171204T2100Z-171206T0900Z/
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-
401 PM EST SUN DEC 3 2017

...GALE WARNING NOW IN EFFECT FROM 4 PM MONDAY TO 4 AM EST
WEDNESDAY...

THE GALE WARNING IS NOW IN EFFECT FROM 4 PM MONDAY TO 4 AM EST
WEDNESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 34 KNOTS FROM THE SOUTH WITH GUSTS UP TO 42 
  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 10 PM EST MONDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST MONDAY. 

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
OCCURING. 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.

&&

$$

LHZ421-422-040915-
/O.EXT.KDTX.GL.W.0039.171205T0900Z-171206T0900Z/
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-
401 PM EST SUN DEC 3 2017

...GALE WARNING NOW IN EFFECT FROM 4 AM TUESDAY TO 4 AM EST
WEDNESDAY...

THE GALE WARNING IS NOW IN EFFECT FROM 4 AM TUESDAY TO 4 AM EST
WEDNESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 33 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 44 
  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 3 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 6 PM EST TUESDAY. 

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
OCCURING. 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-LEZ444-040915-
/O.NEW.KDTX.SC.Y.0089.171204T2100Z-171206T0900Z/
LAKE ST CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
401 PM EST SUN DEC 3 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM MONDAY TO 4 AM EST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY WHICH IS IN EFFECT FROM 4 PM MONDAY TO 4 AM
EST WEDNESDAY. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 26 KNOTS FROM THE SOUTH 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 12 AM EST 
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST 
  MONDAY. 

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.

&&

$$

CB
572 
WHUS73 KDTX 040845
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
345 AM EST MON DEC 4 2017

...LONG DURATION GALE EVENT BEGINNING TODAY FOR LAKE HURON...

.LOW PRESSURE ORGANIZING OVER THE MIDWEST TODAY WILL MOVE ACROSS LAKE 
SUPERIOR TONIGHT AND STRENGTHEN CONSIDERABLY WHILE MOVING INTO 
NORTHERN ONTARIO BY TUESDAY MORNING. THIS SYSTEM WILL PRODUCE A LONG 
PERIOD OF GALES AND VERY HIGH WAVES ACROSS LAKE HURON TODAY THROUGH 
TUESDAY NIGHT AND INTO WEDNESDAY MORNING. FARTHER SOUTH, THE WIND 
FIELD WILL BE A LITTLE WEAKER WITH GUSTS AROUND 30 KNOTS EXPECTED 
OVER LAKE ST CLAIR AND WESTERN LAKE ERIE. A BRIEF GUST TO GALE FORCE 
IS POSSIBLE THERE, ESPECIALLY WITH THE PASSAGE OF THE COLD FRONT 
TONIGHT.

THE FIRST PHASE OF THE GALE EVENT WILL BE FROM THE SOUTH TODAY AND 
TONIGHT PEAKING AT HIGH END GALES WITH GUSTS NEAR 45 KNOTS OVER 
CENTRAL AND NORTH SECTIONS OF LAKE HURON DURING THE AFTERNOON. THE 
SYSTEM WILL THEN BRING A STRONG COLD FRONT ACROSS THE REGION AFTER 
MIDNIGHT FOLLOWED BY MODERATE SOUTHWEST GALES FOR THE SECOND PHASE. 
GUSTS NEAR 40 KNOTS ARE EXPECTED OVER ALL MARINE AREAS BEHIND THE 
FRONT WHILE MORE CONCENTRATED OVER SAGINAW BAY AND CENTRAL LAKE 
HURON TUESDAY THROUGH TUESDAY NIGHT. STRONG WESTERLY FLOW WILL 
CONTINUE WEDNESDAY WHILE DIMINISHING BELOW GALES DURING THE MORNING. 
IN ADDITION TO THE WIND, AN ACTIVE PATTERN OF RAIN AND SCATTERED 
THUNDERSTORMS TODAY AND TONIGHT WILL TRANSITION TO LAKE EFFECT SNOW 
SQUALLS TUESDAY WHICH WILL LAST THROUGH THE END OF THE WEEK.

LHZ361>363-050900-
/O.EXT.KDTX.GL.W.0039.171204T1500Z-171206T1500Z/
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-
345 AM EST MON DEC 4 2017

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

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 37 KNOTS FROM THE SOUTH WITH GUSTS UP TO 46 
  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 MONDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 5 PM EST MONDAY. 

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
OCCURING. 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>443-462>464-050900-
/O.EXT.KDTX.GL.W.0039.171204T1900Z-171206T1500Z/
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-
345 AM EST MON DEC 4 2017

...GALE WARNING NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 AM
EST WEDNESDAY...

THE GALE WARNING IS NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO
10 AM EST WEDNESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 34 KNOTS FROM THE SOUTH WITH GUSTS UP TO 40 
  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 MONDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 11 PM EST MONDAY. 

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
OCCURING. 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.

&&

$$

LHZ421-422-050900-
/O.EXT.KDTX.GL.W.0039.171205T0900Z-171206T1200Z/
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-
345 AM EST MON DEC 4 2017

...GALE WARNING NOW IN EFFECT FROM 4 AM TUESDAY TO 7 AM EST
WEDNESDAY...

THE GALE WARNING IS NOW IN EFFECT FROM 4 AM TUESDAY TO 7 AM EST
WEDNESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 30 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 39 
  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 AROUND 7 AM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 6 PM EST TUESDAY. 

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
OCCURING. 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-LEZ444-050900-
/O.CON.KDTX.SC.Y.0089.171204T2100Z-171206T0900Z/
LAKE ST CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
345 AM EST MON DEC 4 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 4 AM EST WEDNESDAY...

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 27 KNOTS FROM THE SOUTH 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 1 AM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 2 AM EST TUESDAY. 

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.

&&

$$

IRL
766 
WHUS73 KDTX 042027
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
327 PM EST MON DEC 4 2017

......STRONG GALES AND HAZARDOUS WAVES THROUGH TUESDAY...

.A STRENGTHENING LOW PRESSURE SYSTEM PUSHING FROM THE MIDWEST INTO 
NORTHERN ONTARIO WILL STRENGTHEN THE PRESSURE GRADIENT ACROSS THE 
GREAT LAKES, PRODUCING A LONG PERIOD OF GALES ALONG WITH HIGH WAVES 
ACROSS CENTRAL LAKE HURON TODAY THROUGH TUESDAY NIGHT, INTO 
WEDNESDAY MORNING. 

TO START, GALE WARNINGS ARE IN EFFECT NOW THROUGH WEDNESDAY 
AFTERNOON AS SOUTHERLY WINDS BETWEEN 25 - 30 KNOTS, GUSTING UP TO 40 
- 45 KNOTS, PERSIST ACROSS LAKE HURON. STRONG GUSTS AND A SOUTHERLY 
FETCH ARE EXPECTED TO PRODUCE WAVE HEIGHT RANGING BETWEEN 16 - 20 
FEET ACROSS CENTRAL LAKE HURON. A BRIEF LULL IN WIND GUSTS DOWN TO 
25 KNOTS WILL BE POSSIBLE DURING THE LATE EVENING, HOWEVER, THIS 
"LULL" WILL BE SHORT-LIVED AS A STRONG COLD FRONT PUSHES ACROSS THE 
LAKES THROUGHOUT TUESDAY MORNING, PROMOTING MIXING WHICH WILL BRING 
STRONG WINDS ALOFT DOWN TO THE SURFACE. WIND DIRECTION IS EXPECTED 
TO SHIFT FROM S TO WSW AS THE FRONT MOVES THROUGH, WITH ISOLATED 
GUSTS UP TO 40 MPH POSSIBLE THROUGHOUT TUESDAY. SMALL CRAFT 
ADVISORIES ARE IN EFFECT THROUGH WEDNESDAY MORNING ACROSS LAKE ST. 
CLAIR AND LAKE ERIE. THE PRESSURE GRADIENT AND THUS WIND SPEEDS ARE 
SLIGHTLY WEAKER ACROSS LAKE ERIE AND ST. CLAIR, BUT WILL STILL BRING 
GUSTS UP TO 35 KNOTS, ESPECIALLY TONIGHT INTO TOMORROW MORNING. 
CONCERNS FOR THUNDER STILL EXIST WITH POP-UP SHOWERS SEEN TONIGHT 
INTO TOMORROW MORNING. LAST, THE BLAST OF COLD AIR EXPECTED TO MOVE 
IN THROUGHOUT TUESDAY MORNING WILL BRING THE CHANCE FOR LAKE EFFECT 
SNOW SQUALLS DURING TUESDAY, WHICH WILL LAST THROUGH THE END OF THE 
WEEK. 

THE FIRST PHASE OF THE GALE EVENT WILL BE FROM THE SOUTH TODAY AND 
TONIGHT PEAKING AT HIGH END GALES WITH GUSTS NEAR 45 KNOTS OVER 
CENTRAL AND NORTH SECTIONS OF LAKE HURON DURING THE AFTERNOON. THE 
SYSTEM WILL THEN BRING A STRONG COLD FRONT ACROSS THE REGION AFTER 
MIDNIGHT FOLLOWED BY MODERATE SOUTHWEST GALES FOR THE SECOND PHASE. 
GUSTS NEAR 40 KNOTS ARE EXPECTED OVER ALL MARINE AREAS BEHIND THE 
FRONT WHILE MORE CONCENTRATED OVER SAGINAW BAY AND CENTRAL LAKE 
HURON TUESDAY THROUGH TUESDAY NIGHT. STRONG WESTERLY FLOW WILL 
CONTINUE WEDNESDAY WHILE DIMINISHING BELOW GALES DURING THE MORNING. 
IN ADDITION TO THE WIND, AN ACTIVE PATTERN OF RAIN AND SCATTERED 
THUNDERSTORMS TODAY AND TONIGHT WILL TRANSITION TO LAKE EFFECT SNOW 
SQUALLS TUESDAY WHICH WILL LAST THROUGH THE END OF THE WEEK.

LHZ462-463-050915-
/O.EXT.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
327 PM EST MON DEC 4 2017

...GALE WARNING NOW IN EFFECT UNTIL 4 PM EST WEDNESDAY...

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 36 KNOTS FROM THE SOUTHWEST 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 7 AM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 1 AM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ363-050915-
/O.EXT.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
327 PM EST MON DEC 4 2017

...GALE WARNING NOW IN EFFECT UNTIL 4 PM EST WEDNESDAY...

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 38 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 46 
  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 8 AM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 10 AM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ361-362-050915-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T1500Z/
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-
327 PM EST MON DEC 4 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 37 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 44 
  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 8 AM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 7 AM EST TUESDAY. 

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
OCCURING. 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>443-464-050915-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T1500Z/
PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI-
PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
327 PM EST MON DEC 4 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 36 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 44 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 6 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 7 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ421-422-050915-
/O.CON.KDTX.GL.W.0039.171205T0900Z-171206T1200Z/
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-
327 PM EST MON DEC 4 2017

...GALE WARNING REMAINS IN EFFECT FROM 4 AM TUESDAY TO 7 AM EST
WEDNESDAY...

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 37 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 44 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 7 AM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 5 PM EST TUESDAY. 

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
OCCURING. 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-LEZ444-050915-
/O.EXT.KDTX.SC.Y.0089.171204T2027Z-171206T0900Z/
LAKE ST CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
327 PM EST MON DEC 4 2017

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

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

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 26 KNOTS FROM THE SOUTH WITH GUSTS UP 
  TO 38 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 AM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EST TUESDAY. 

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.

&&

$$

JVC
437 
WHUS73 KDTX 050851
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
351 AM EST TUE DEC 5 2017

...STORM FORCE GUSTS TODAY ACROSS CENTRAL LAKE HURON...

.GALE WARNINGS REMAIN IN EFFECT FOR ALL LAKE HURON MARINE AREAS AND 
UPGRADED TO STORM WARNING FOR OUTER SAGINAW BAY AND CENTRAL LAKE 
HURON. LAKE ST CLAIR IS UPGRADED TO A GALE WARNING AND WESTERN LAKE 
ERIE REMAINS AT SMALL CRAFT ADVISORY FOR NOW. THE WESTERLY GALES AND 
GUSTS TO STORM FORCE ON LAKE HURON WILL BE DUE TO A LARGE AND STRONG 
LOW PRESSURE SYSTEM MOVING FROM LAKE SUPERIOR INTO NORTHERN ONTARIO 
WHILE DEEPENING TO 970 MB. MULTIPLE OBSERVATIONS DURING THE NIGHT 
INDICATED GUSTS IN THE UPPER 40 KT RANGE OVER SOUTHERN WI, IA, 
NORTHERN IL WHILE THE SYSTEM WAS AROUND 982 MB, AND CONSIDERING THE 
DEEPENING TREND DURING THE REST OF THE DAY, AN UPGRADE TO STORM 
WARNING IS WARRANTED FOR OUTER SAGINAW BAY AND CENTRAL LAKE HURON. 
PEAK GUSTS IN THAT AREA WILL BE VERY CLOSE TO 50 KNOTS ON SOUTHWEST 
DIRECTION FUNNELING THROUGH SAGINAW BAY AND INTO THE OPEN WATERS OF 
THE LAKE. WIND CONDITIONS WILL DROP OFF FROM THE PEAK LATER TONIGHT 
BUT 35-40 KNOT GALES WILL THEN CONTINUE THROUGH WEDNESDAY. COLDER 
AIR MOVING INTO THE REGION WILL ALSO PROMOTE INCREASING COVERAGE OF 
LAKE EFFECT SNOW SQUALLS TO FURTHER HINDER MARINE CONDITIONS THROUGH 
THE END OF THE WEEK.

LHZ363-462-052100-
/O.UPG.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
/O.NEW.KDTX.SR.W.0004.171205T0851Z-171206T0000Z/
/O.NEW.KDTX.GL.W.0040.171206T0000Z-171206T2100Z/
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
351 AM EST TUE DEC 5 2017

...STORM WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING...
...GALE WARNING IN EFFECT FROM 7 PM THIS EVENING TO 4 PM EST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
STORM WARNING WHICH IS IN EFFECT UNTIL 7 PM EST THIS EVENING. A
GALE WARNING HAS ALSO BEEN ISSUED. THIS GALE WARNING IS IN EFFECT
FROM 7 PM THIS EVENING TO 4 PM EST WEDNESDAY. 

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED
  WINDS UP TO 37 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 50 
  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 10 AM EST 
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 10 AM EST 
  TUESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 36 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 46 
  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 9 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 8 PM EST TUESDAY. 

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
OCCURING. 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.

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURING. 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.

&&

$$

LHZ441-052100-
/O.UPG.KDTX.GL.W.0039.000000T0000Z-171206T1500Z/
/O.NEW.KDTX.SR.W.0004.171205T0851Z-171206T0000Z/
/O.NEW.KDTX.GL.W.0040.171206T0000Z-171206T2100Z/
PORT AUSTIN TO HARBOR BEACH MI-
351 AM EST TUE DEC 5 2017

...STORM WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING...
...GALE WARNING IN EFFECT FROM 7 PM THIS EVENING TO 4 PM EST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
STORM WARNING WHICH IS IN EFFECT UNTIL 7 PM EST THIS EVENING. A
GALE WARNING HAS ALSO BEEN ISSUED. THIS GALE WARNING IS IN EFFECT
FROM 7 PM THIS EVENING TO 4 PM EST WEDNESDAY. 

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED 
  WINDS UP TO 36 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 49 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 4 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 6 PM EST TUESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 35 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 44 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. 

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

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
OCCURING. 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.

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURING. 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.

&&

$$

LHZ421-052100-
/O.NEW.KDTX.SR.W.0004.171205T0851Z-171206T0000Z/
/O.EXT.KDTX.GL.W.0039.171206T0000Z-171206T2100Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
351 AM EST TUE DEC 5 2017

...STORM WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING...
...GALE WARNING NOW IN EFFECT FROM 7 PM THIS EVENING TO 4 PM EST
WEDNESDAY...

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

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED
  WINDS UP TO 36 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 50 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 4 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 6 PM EST TUESDAY. 

THE GALE WARNING IS NOW IN EFFECT FROM 7 PM THIS EVENING TO 4 PM
EST WEDNESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 35 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 44 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. 

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

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
OCCURING. 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.

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURING. 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.

&&

$$

LCZ460-052100-
/O.UPG.KDTX.SC.Y.0089.000000T0000Z-171206T0900Z/
/O.EXB.KDTX.GL.W.0039.000000T0000Z-171206T0300Z/
LAKE ST CLAIR-
351 AM EST TUE DEC 5 2017

...GALE WARNING IN EFFECT UNTIL 10 PM EST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING WHICH IS IN EFFECT UNTIL 10 PM EST THIS EVENING. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 25 KNOTS FROM THE SOUTH WITH GUSTS UP TO 38 
  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 TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 5 AM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ361-362-052100-
/O.EXT.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
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-
351 AM EST TUE DEC 5 2017

...GALE WARNING NOW IN EFFECT UNTIL 4 PM EST WEDNESDAY...

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 35 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 47 
  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 10 AM EST 
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 7 AM EST 
  TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ442-443-464-052100-
/O.EXT.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
351 AM EST TUE DEC 5 2017

...GALE WARNING NOW IN EFFECT UNTIL 4 PM EST WEDNESDAY...

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 30 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 42 
  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 AROUND 4 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 6 AM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ422-052100-
/O.EXT.KDTX.GL.W.0039.171205T0851Z-171206T2100Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
351 AM EST TUE DEC 5 2017

...GALE WARNING NOW IN EFFECT UNTIL 4 PM EST WEDNESDAY...

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 33 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 43 
  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 4 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 5 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ463-052100-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
351 AM EST TUE DEC 5 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 32 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 42 
  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 TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 6 AM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LEZ444-052100-
/O.EXT.KDTX.SC.Y.0089.000000T0000Z-171206T2100Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
351 AM EST TUE DEC 5 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EST WEDNESDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 4 PM EST
WEDNESDAY. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 26 KNOTS FROM THE SOUTH WITH GUSTS UP 
  TO 33 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 TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST TUESDAY. 

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.

&&

$$

IRL
385 
WHUS73 KDTX 051454
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
954 AM EST TUE DEC 5 2017

...STRONG GALES AND MARGINAL STORMS TODAY...

.GALE WARNINGS REMAIN IN EFFECT FOR ALL LAKE HURON MARINE AREAS AND 
UPGRADED TO STORM WARNING FOR OUTER SAGINAW BAY AND CENTRAL LAKE 
HURON. LAKE ST CLAIR IS UPGRADED TO A GALE WARNING AND WESTERN LAKE 
ERIE REMAINS AT SMALL CRAFT ADVISORY FOR NOW. THE WESTERLY GALES AND 
GUSTS TO STORM FORCE ON LAKE HURON WILL BE DUE TO A LARGE AND STRONG 
LOW PRESSURE SYSTEM MOVING FROM LAKE SUPERIOR INTO NORTHERN ONTARIO 
WHILE DEEPENING TO 970 MB. MULTIPLE OBSERVATIONS DURING THE NIGHT 
INDICATED GUSTS IN THE UPPER 40 KT RANGE OVER SOUTHERN WI, IA, 
NORTHERN IL WHILE THE SYSTEM WAS AROUND 982 MB, AND CONSIDERING THE 
DEEPENING TREND DURING THE REST OF THE DAY, AN UPGRADE TO STORM 
WARNING IS WARRANTED FOR OUTER SAGINAW BAY AND CENTRAL LAKE HURON. 
PEAK GUSTS IN THAT AREA WILL BE VERY CLOSE TO 50 KNOTS ON SOUTHWEST 
DIRECTION FUNNELING THROUGH SAGINAW BAY AND INTO THE OPEN WATERS OF 
THE LAKE. WIND CONDITIONS WILL DROP OFF FROM THE PEAK LATER TONIGHT 
BUT 35-40 KNOT GALES WILL THEN CONTINUE THROUGH WEDNESDAY. COLDER 
AIR MOVING INTO THE REGION WILL ALSO PROMOTE INCREASING COVERAGE OF 
LAKE EFFECT SNOW SQUALLS TO FURTHER HINDER MARINE CONDITIONS THROUGH 
THE END OF THE WEEK.

LHZ363-441-462-052115-
/O.CON.KDTX.SR.W.0004.000000T0000Z-171206T0000Z/
/O.CON.KDTX.GL.W.0040.171206T0000Z-171206T2100Z/
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-PORT AUSTIN TO HARBOR BEACH MI-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
954 AM EST TUE DEC 5 2017

...STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 4 PM
EST WEDNESDAY...

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED 
  WINDS UP TO 38 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 48 
  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 9 AM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 11 AM EST TUESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 36 KNOTS FROM THE WEST WITH GUSTS UP TO 46 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 TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 7 PM EST TUESDAY. 

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
OCCURING. 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.

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURING. 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.

&&

$$

LHZ421-052115-
/O.CON.KDTX.SR.W.0004.000000T0000Z-171206T0000Z/
/O.CON.KDTX.GL.W.0039.171206T0000Z-171206T2100Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
954 AM EST TUE DEC 5 2017

...STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 4 PM
EST WEDNESDAY...

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED 
  WINDS UP TO 37 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 48 
  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 9 AM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 4 PM EST TUESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 35 KNOTS FROM THE WEST WITH GUSTS UP TO 44 KNOTS. 
  THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET WITH A 
  POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. 

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

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
OCCURING. 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.

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURING. 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.

&&

$$

LHZ361-362-052115-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
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-
954 AM EST TUE DEC 5 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 36 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 47 
  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 10 AM EST 
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 11 AM EST 
  TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ442-443-463-464-052115-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
954 AM EST TUE DEC 5 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 32 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 42 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 6 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 6 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ422-052115-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
954 AM EST TUE DEC 5 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 32 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 43 
  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 AM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 4 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LCZ460-052115-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T0300Z/
LAKE ST CLAIR-
954 AM EST TUE DEC 5 2017

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING...

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 24 KNOTS FROM THE WEST WITH GUSTS UP TO 39 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 4 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 4 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LEZ444-052115-
/O.CON.KDTX.SC.Y.0089.000000T0000Z-171206T2100Z/
/O.NEW.KDTX.LO.Y.0006.171205T1700Z-171206T0900Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
954 AM EST TUE DEC 5 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
WEDNESDAY...
...LOW WATER ADVISORY IN EFFECT UNTIL 4 AM EST WEDNESDAY...

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

* WATER LEVELS...EXPECTED TO DROP UP TO ONE FOOT BELOW THE 
  CRITICAL MARK FOR SAFE NAVIGATION IN THE WESTERN BASIN THIS 
  AFTERNOON THROUGH THE FIRST HALF OF TONIGHT.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 25 KNOTS FROM THE WEST WITH GUSTS UP TO 
  35 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 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 5 PM EST TUESDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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.

&&

$$

JVC
920 
WHUS73 KDTX 052021
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
321 PM EST TUE DEC 5 2017

...STRONG SOUTHWEST GALES AND MARGINAL STORMS INTO TONIGHT...


LHZ441-462-060915-
/O.CAN.KDTX.SR.W.0004.000000T0000Z-171206T0000Z/
/O.EXT.KDTX.GL.W.0040.171205T2021Z-171206T2100Z/
PORT AUSTIN TO HARBOR BEACH MI-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
321 PM EST TUE DEC 5 2017

...GALE WARNING NOW IN EFFECT UNTIL 4 PM EST WEDNESDAY...
...STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
STORM WARNING. THE GALE WARNING IS NOW IN EFFECT UNTIL 4 PM EST
WEDNESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 37 KNOTS FROM THE WEST WITH GUSTS UP TO 47 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 6 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 8 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ421-060915-
/O.CAN.KDTX.SR.W.0004.000000T0000Z-171206T0000Z/
/O.EXT.KDTX.GL.W.0039.171205T2021Z-171206T2100Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
321 PM EST TUE DEC 5 2017

...GALE WARNING NOW IN EFFECT UNTIL 4 PM EST WEDNESDAY...
...STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
STORM WARNING. THE GALE WARNING IS NOW IN EFFECT UNTIL 4 PM EST
WEDNESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 36 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 46 
  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 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 7 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ363-060915-
/O.CON.KDTX.SR.W.0004.000000T0000Z-171206T0000Z/
/O.CON.KDTX.GL.W.0040.171206T0000Z-171206T2100Z/
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
321 PM EST TUE DEC 5 2017

...STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 4 PM
EST WEDNESDAY...

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED 
  WINDS UP TO 38 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 49 
  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 TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 5 PM EST TUESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 37 KNOTS FROM THE WEST WITH GUSTS UP TO 48 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 7 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 7 PM EST TUESDAY. 

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
OCCURING. 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.

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURING. 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.

&&

$$

LHZ361-362-060915-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
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-
321 PM EST TUE DEC 5 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 35 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 46 
  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 7 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 5 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ442-443-463-464-060915-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
321 PM EST TUE DEC 5 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 34 KNOTS FROM THE WEST WITH GUSTS UP TO 43 KNOTS. 
  THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET WITH A 
  POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 6 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 7 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ422-060915-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
321 PM EST TUE DEC 5 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 33 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 41 
  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 4 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 3 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LCZ460-060300-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T0300Z/
LAKE ST CLAIR-
321 PM EST TUE DEC 5 2017

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING...

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 25 KNOTS FROM THE WEST WITH GUSTS UP TO 34 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 4 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 4 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LEZ444-060915-
/O.CON.KDTX.LO.Y.0006.000000T0000Z-171206T0900Z/
/O.CON.KDTX.SC.Y.0089.000000T0000Z-171206T2100Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
321 PM EST TUE DEC 5 2017

...LOW WATER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
WEDNESDAY...

* WATER LEVELS...EXPECTED TO DROP UP TO ONE FOOT BELOW THE 
  CRITICAL MARK FOR SAFE NAVIGATION IN THE WESTERN BASIN THROUGH 
  THE FIRST HALF OF TONIGHT BEFORE STARTING TO RISE. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 25 KNOTS FROM THE WEST WITH GUSTS UP TO 
  35 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 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 5 PM EST TUESDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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.

&&

$$

JVC
200 
WHUS73 KDTX 052359
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
659 PM EST TUE DEC 5 2017

...STRONG SOUTHWEST GALES AND MARGINAL STORMS INTO TONIGHT...

LHZ363-061200-
/O.EXT.KDTX.SR.W.0004.000000T0000Z-171206T0300Z/
/O.EXT.KDTX.GL.W.0040.171206T0300Z-171206T2100Z/
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
659 PM EST TUE DEC 5 2017

...STORM WARNING NOW IN EFFECT UNTIL 10 PM EST THIS EVENING...
...GALE WARNING NOW IN EFFECT FROM 10 PM THIS EVENING TO 4 PM EST
WEDNESDAY...

THE STORM WARNING IS NOW IN EFFECT UNTIL 10 PM EST THIS EVENING. 

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED 
  WINDS UP TO 37 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 48 
  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 6 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 6 PM EST TUESDAY. 

THE GALE WARNING IS NOW IN EFFECT FROM 10 PM THIS EVENING TO 4 PM
EST WEDNESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 35 KNOTS FROM THE WEST WITH GUSTS UP TO 46 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 10 PM EST 
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST 
  TUESDAY. 

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
OCCURING. 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.

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURING. 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.

&&

$$

LHZ441-462-061200-
/O.CON.KDTX.GL.W.0040.000000T0000Z-171206T2100Z/
PORT AUSTIN TO HARBOR BEACH MI-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
659 PM EST TUE DEC 5 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 37 KNOTS FROM THE WEST WITH GUSTS UP TO 47 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 6 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 8 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ421-061200-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
659 PM EST TUE DEC 5 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 36 KNOTS FROM THE WEST WITH GUSTS UP TO 46 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 6 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 7 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ361-362-061200-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
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-
659 PM EST TUE DEC 5 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 35 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 46 
  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 7 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 6 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ442-443-463-464-061200-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
659 PM EST TUE DEC 5 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 34 KNOTS FROM THE WEST WITH GUSTS UP TO 43 KNOTS. 
  THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET WITH A 
  POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 6 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 7 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ422-061200-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
659 PM EST TUE DEC 5 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 33 KNOTS FROM THE WEST WITH GUSTS UP TO 41 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 6 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 6 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LCZ460-060300-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T0300Z/
LAKE ST CLAIR-
659 PM EST TUE DEC 5 2017

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING...

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 25 KNOTS FROM THE WEST WITH GUSTS UP TO 29 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 8 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 6 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LEZ444-061200-
/O.CON.KDTX.LO.Y.0006.000000T0000Z-171206T0900Z/
/O.CON.KDTX.SC.Y.0089.000000T0000Z-171206T2100Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
659 PM EST TUE DEC 5 2017

...LOW WATER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
WEDNESDAY...

* EXPECT WATER LEVELS TO DROP UP TO ONE FOOT BELOW THE CRITICAL 
  MARK FOR SAFE NAVIGATION IN THE WESTERN BASIN THROUGH THE FIRST 
  HALF OF TONIGHT BEFORE STARTING TO RISE. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 25 KNOTS FROM THE WEST 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 9 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST TUESDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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.

&&

$$

MR
934 
WHUS73 KDTX 060248
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
948 PM EST TUE DEC 5 2017

...SOUTHWEST GALES THROUGH WEDNESDAY...

.GALES WILL PERSIST THROUGH WEDNESDAY AS CONTINUED COLD AIR 
ADVECTION WITHIN A TIGHT WESTERLY PRESSURE GRADIENT KEEPS UNSTABLE
CONDITIONS OVER THE WATERS. SLIGHTLY LOWER WIND SPEEDS ACROSS 
LAKE ST CLAIR AND LAKE ERIE BEING FARTHER REMOVED FROM THE LOW 
THUS A SMALL CRAFT IS IN EFFECT FOR LAKE ERIE ALONG WITH A LOW 
WATER ADVISORY. COLDER AIR MOVING IN MID TO LATE WEEK WILL ALSO 
INCREASING COVERAGE OF LAKE EFFECT SNOW SQUALLS TO FURTHER HINDER 
MARINE CONDITIONS.

LCZ460-061500-
/O.CAN.KDTX.GL.W.0039.000000T0000Z-171206T0300Z/
/O.EXA.KDTX.SC.Y.0089.000000T0000Z-171206T2100Z/
LAKE ST CLAIR-
948 PM EST TUE DEC 5 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST WEDNESDAY...
...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 WEDNESDAY.

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

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.

&&

$$

LHZ363-061500-
/O.EXP.KDTX.SR.W.0004.000000T0000Z-171206T0300Z/
/O.CON.KDTX.GL.W.0040.171206T0300Z-171206T2100Z/
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
948 PM EST TUE DEC 5 2017

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM EST WEDNESDAY...
...STORM WARNING WILL EXPIRE AT 10 PM EST THIS EVENING...

THE STORM WARNING WILL EXPIRE AT 10 PM EST THIS EVENING. 

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED 
  WINDS UP TO 36 KNOTS FROM THE WEST WITH GUSTS UP TO 47 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 9 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EST TUESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 36 KNOTS FROM THE WEST WITH GUSTS UP TO 47 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 10 PM EST 
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST 
  TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ441-462-061500-
/O.CON.KDTX.GL.W.0040.000000T0000Z-171206T2100Z/
PORT AUSTIN TO HARBOR BEACH MI-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
948 PM EST TUE DEC 5 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 34 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 44 
  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 11 PM EST 
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EST 
  TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ421-061500-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
948 PM EST TUE DEC 5 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 39 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 47 
  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 9 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ361-362-061500-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
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-
948 PM EST TUE DEC 5 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 34 KNOTS FROM THE SOUTHWEST 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 11 PM EST 
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EST 
  TUESDAY. 

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
OCCURING. 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.

&&

$$

LHZ442-443-463-464-061500-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
948 PM EST TUE DEC 5 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 31 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 39 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. 

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

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
OCCURING. 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.

&&

$$

LHZ422-061500-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
948 PM EST TUE DEC 5 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 38 KNOTS FROM THE WEST WITH GUSTS UP TO 46 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 TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EST TUESDAY. 

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
OCCURING. 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.

&&

$$

LEZ444-061500-
/O.CON.KDTX.LO.Y.0006.000000T0000Z-171206T0900Z/
/O.CON.KDTX.SC.Y.0089.000000T0000Z-171206T2100Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
948 PM EST TUE DEC 5 2017

...LOW WATER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
WEDNESDAY...

* EXPECT WATER LEVELS TO DROP UP TO ONE FOOT BELOW THE CRITICAL 
  MARK FOR SAFE NAVIGATION IN THE WESTERN BASIN THROUGH THE FIRST 
  HALF OF TONIGHT BEFORE STARTING TO RISE. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 32 KNOTS FROM THE WEST WITH GUSTS UP TO 
  31 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 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST TUESDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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.

&&

$$

MR
316 
WHUS73 KDTX 060851
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
351 AM EST WED DEC 6 2017

...GALES CONTINUE INTO THE AFTERNOON OVER LAKE HURON...

.GALE WARNINGS AND SMALL CRAFT ADVISORIES REMAIN IN EFFECT WITH NO 
CHANGE IN EXPIRATION AS WEAKENING TRENDS REMAIN INTACT IN THIS 
FORECAST CYCLE. A LARGE AND DEEP LOW PRESSURE SYSTEM NEAR JAMES BAY 
WILL MAINTAIN WESTERLY GALES ACROSS LAKE HURON TODAY. GUSTS IN THE 
40 TO 45 KNOT RANGE WILL BE WITHIN REACH FOR A FEW MORE HOURS DURING 
THE MORNING BEFORE SETTLING TOWARD THE 35 KNOT THRESHOLD BY 
AFTERNOON. THE LOW PRESSURE SYSTEM WILL MOVE SLOWLY ACROSS JAMES BAY 
DURING THE DAY WHILE FILLING STEADILY, WHICH WILL ALLOW GUSTS TO 
DROP TOWARD 30 KNOTS BY LATE AFTERNOON AND TONIGHT. ANOTHER FRONT 
WILL MOVE THROUGH OVERNIGHT AND THURSDAY AND BRING AN ADDITIONAL 
SURGE OF COLD AIR INTO THE REGION. IT WILL PRODUCE AN UPTICK IN SNOW 
SQUALLS OVER THE LAKE BUT WILL NOT BRING MUCH ADDITIONAL WIND 
IMPACT. A STRONGER LOW PRESSURE SYSTEM IS THEN DUE TO MOVE THROUGH 
THE CENTRAL GREAT LAKES DURING THE WEEKEND.

LHZ363-062100-
/O.CON.KDTX.GL.W.0040.000000T0000Z-171206T2100Z/
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
351 AM EST WED DEC 6 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 34 KNOTS FROM THE WEST WITH GUSTS UP TO 44 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 3 AM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST 
  WEDNESDAY. 

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
OCCURING. 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.

&&

$$

LHZ441-462-062100-
/O.CON.KDTX.GL.W.0040.000000T0000Z-171206T2100Z/
PORT AUSTIN TO HARBOR BEACH MI-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
351 AM EST WED DEC 6 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 33 KNOTS FROM THE WEST WITH GUSTS UP TO 42 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 3 AM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST 
  WEDNESDAY. 

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
OCCURING. 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.

&&

$$

LHZ421-062100-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-
351 AM EST WED DEC 6 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 34 KNOTS FROM THE WEST WITH GUSTS UP TO 42 KNOTS. 
  THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET WITH A 
  POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. 

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

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
OCCURING. 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.

&&

$$

LHZ361-362-062100-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
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-
351 AM EST WED DEC 6 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 32 KNOTS FROM THE WEST WITH GUSTS UP TO 41 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 3 AM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST 
  WEDNESDAY. 

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
OCCURING. 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.

&&

$$

LHZ442-443-463-464-062100-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
351 AM EST WED DEC 6 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 31 KNOTS FROM THE WEST WITH GUSTS UP TO 39 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 AROUND 3 AM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 8 AM EST 
  WEDNESDAY. 

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
OCCURING. 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.

&&

$$

LHZ422-062100-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
351 AM EST WED DEC 6 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 32 KNOTS FROM THE WEST 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 3 AM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST 
  WEDNESDAY. 

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
OCCURING. 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.

&&

$$

LEZ444-062100-
/O.EXT.KDTX.LO.Y.0006.000000T0000Z-171206T2100Z/
/O.CON.KDTX.SC.Y.0089.000000T0000Z-171206T2100Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
351 AM EST WED DEC 6 2017

...LOW WATER ADVISORY NOW IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

THE LOW WATER ADVISORY IS NOW IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON. 

* EXPECT WATER LEVELS TO DROP UP TO ONE FOOT BELOW THE CRITICAL
  MARK FOR SAFE NAVIGATION IN THE WESTERN BASIN THROUGH THIS
  MORNING BEFORE STARTING TO RISE THIS AFTERNOON.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 26 KNOTS FROM THE WEST WITH GUSTS UP TO 
  30 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 4 
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 5 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 AM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 7 AM EST 
  WEDNESDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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.

&&

$$

LCZ460-062100-
/O.CON.KDTX.SC.Y.0089.000000T0000Z-171206T2100Z/
LAKE ST CLAIR-
351 AM EST WED DEC 6 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 25 KNOTS FROM THE SOUTHWEST 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 3 AM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 7 AM EST 
  WEDNESDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

IRL
725 
WHUS73 KDTX 061528
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
ISSUED BY NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1028 AM EST WED DEC 6 2017

...GALES CONTINUE INTO THE AFTERNOON OVER LAKE HURON...

.GALE WARNINGS AND SMALL CRAFT ADVISORIES REMAIN IN EFFECT WITH NO 
CHANGE IN EXPIRATION AS WEAKENING TRENDS REMAIN INTACT IN THIS 
FORECAST CYCLE. A LARGE AND DEEP LOW PRESSURE SYSTEM NEAR JAMES BAY 
WILL MAINTAIN WESTERLY GALES ACROSS LAKE HURON TODAY. GUSTS IN THE 
40 TO 45 KNOT RANGE WILL BE WITHIN REACH FOR A FEW MORE HOURS DURING 
THE MORNING BEFORE SETTLING TOWARD THE 35 KNOT THRESHOLD BY 
AFTERNOON. THE LOW PRESSURE SYSTEM WILL MOVE SLOWLY ACROSS JAMES BAY 
DURING THE DAY WHILE FILLING STEADILY, WHICH WILL ALLOW GUSTS TO 
DROP TOWARD 30 KNOTS BY LATE AFTERNOON AND TONIGHT. ANOTHER FRONT 
WILL MOVE THROUGH OVERNIGHT AND THURSDAY AND BRING AN ADDITIONAL 
SURGE OF COLD AIR INTO THE REGION. IT WILL PRODUCE AN UPTICK IN SNOW 
SQUALLS OVER THE LAKE BUT WILL NOT BRING MUCH ADDITIONAL WIND 
IMPACT. A STRONGER LOW PRESSURE SYSTEM IS THEN DUE TO MOVE THROUGH 
THE CENTRAL GREAT LAKES DURING THE WEEKEND.

LEZ444-062100-
/O.CAN.KDTX.LO.Y.0006.000000T0000Z-171206T2100Z/
/O.CON.KDTX.SC.Y.0089.000000T0000Z-171206T2100Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
1028 AM EST WED DEC 6 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...
...LOW WATER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
LOW WATER ADVISORY. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 23 KNOTS FROM THE SOUTHWEST WITH GUSTS 
  UP TO 31 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL 
  BE 4 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 5 FEET. 

* TIMING: THE MAXIMUM WINDS OCCURRED THIS MORNING AND WILL
  GRADUALLY DECREASE TODAY. 

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.

&&

$$

LHZ361-070330-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
/O.NEW.KDTX.SC.Y.0090.171206T2100Z-171207T2200Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
1028 AM EST WED DEC 6 2017

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
5 PM EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON
TO 5 PM EST THURSDAY. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 27 KNOTS FROM THE WEST WITH GUSTS UP TO 
  32 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 4 PM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 7 PM EST 
  WEDNESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 27 KNOTS FROM THE WEST WITH GUSTS UP TO 36 KNOTS. 
  THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET WITH A 
  POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. 

* TIMING: MAXIMUM WINDS THIS MORNING WILL GRADUALLY SUBSIDE WITH 
  THE LARGEST WAVES EXPECTED AROUND 3 PM EST WEDNESDAY. 

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.

&&

$$

LHZ363-441-462-062100-
/O.CON.KDTX.GL.W.0040.000000T0000Z-171206T2100Z/
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-PORT AUSTIN TO HARBOR BEACH MI-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
1028 AM EST WED DEC 6 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 32 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 42 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 12 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 17 FEET. 

* TIMING: MAXIMUM WINDS AND WAVES THIS MORNING WILL GRADUALLY
  SUBSIDE. 

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.

&&

$$

LHZ362-421-422-442-443-463-464-062100-
/O.CON.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT 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-
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
1028 AM EST WED DEC 6 2017

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 31 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 41 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 11 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 16 FEET. 

* TIMING: MAXIMUM WINDS AND WAVES THIS MORNING WILL GRADUALLY
  SUBSIDE. 

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.

&&

$$

LCZ460-062100-
/O.CON.KDTX.SC.Y.0089.000000T0000Z-171206T2100Z/
LAKE ST CLAIR-
1028 AM EST WED DEC 6 2017

...SMALL CRAFT ADVISORY REMAINS 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 SOUTHWEST WITH GUSTS 
  UP TO 32 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL 
  BE 3 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 4 FEET. 

* TIMING: MAXIMUM WINDS AND WAVES THIS MORNING WILL GRADUALLY
  SUBSIDE.

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.

&&

$$

GUEST
920 
WHUS73 KDTX 062043
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
343 PM EST WED DEC 6 2017

...WINDS AND WAVES GRADUALLY DECREASING...

.WIND GUSTS HAVE DROPPED BELOW GALE FORCE...ALTHOUGH A FEW GUSTS
AROUND 35 KNOTS WILL REMAIN POSSIBLE BEFORE 6 PM OVER SAGINAW BAY
AND THE OPEN WATERS. OTHERWISE...SMALL CRAFT ADVISORY CONDITIONS
ARE EXPECTED TO PERSIST ALONG THE STRAITS OF MACKINAC.

LHZ361-070845-
/O.CAN.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
/O.EXT.KDTX.SC.Y.0090.171206T2043Z-171207T2200Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
343 PM EST WED DEC 6 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EST THURSDAY...
...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
GALE WARNING. THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL
5 PM EST THURSDAY. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 26 KNOTS FROM THE WEST WITH GUSTS TO 33
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. 

* TIMING: WINDS WILL GRADUALLY DECREASE. LARGEST WAVES EXPECTED 
  AROUND 7 PM EST WEDNESDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

LHZ363-441-462-062145-
/O.CAN.KDTX.GL.W.0040.000000T0000Z-171206T2100Z/
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-PORT AUSTIN TO HARBOR BEACH MI-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
343 PM EST WED DEC 6 2017

...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
GALE WARNING. 

$$

LHZ362-421-422-442-443-463-464-062145-
/O.CAN.KDTX.GL.W.0039.000000T0000Z-171206T2100Z/
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT 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-
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
343 PM EST WED DEC 6 2017

...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
GALE WARNING. 

$$

LCZ460-LEZ444-062145-
/O.EXP.KDTX.SC.Y.0089.000000T0000Z-171206T2100Z/
LAKE ST CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
343 PM EST WED DEC 6 2017

...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 PM EST THIS AFTERNOON...

THE SMALL CRAFT ADVISORY WILL EXPIRE AT 4 PM EST THIS AFTERNOON. 

* WIND AND WAVES: WINDS OF 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS
  WILL CONTINUE TO SUBSIDE. WAVES WILL ALSO CONTINUE TO DIMINISH.

* TIMING: WINDS AND WAVES WILL CONTINUE TO DECREASE.

$$

GUEST

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 3, 6:23 AM EST, 3 hours 27 minutes earlier.

Area forecast discussion, Dec 3, 6:23 AM EST, 3 hours 27 minutes before
Area Forecast Discussion
National Weather Service Detroit/Pontiac MI
623 AM EST Sun Dec 3 2017

.AVIATION...

VFR flying conditions will prevail through the TAF period as high
pressure ridges in from the south. The only exception will be early
this morning, where brief periods of IFR/MVFR BR will be possible,
especially at the northern sites. Have included TEMPO groups to
address this threat, with more prevalent IFR fog noted across central
and western Michigan likely remaining confined to those areas.
Increased boundary layer mixing later this morning will scour out any
lingering BR with just a few passing high clouds through the rest of
the period.

For DTW...Brief period of 6SM BR through 13z/14z possible, otherwise
VFR with light southwest flow around 5 knots. Clouds rapidly
increase towards end of 30 hr period ahead of developing low
pressure system in northern Plains.

//DTW THRESHOLD PROBABILITIES...

* None.

&&

.PREV DISCUSSION...
Issued at 357 AM EST Sun Dec 3 2017

DISCUSSION...

One more nice day is in store for the area to wrap up the weekend
before the weather turns much more active during the first half of
the week. High pressure and light wind will allow mild temperatures
to continue today as plentiful sunshine helps lift readings into the
upper 40s to lower 50s. Monday will actually be the warmest day of
this recent stretch as breezy south wind helps lift temperatures
well into the 50s, although clouds and rain will take the luster off
the mild conditions. A strong cold front is then due to bring
sharply colder conditions into the region Tuesday on gusty wind.
High temperatures in the 40s will occur during the early morning
followed by readings falling through the 30s during the day.

The system expected to bring the active weather to the Great Lakes
during the week is shown developing over the Pacific NW today. It is
responding to the large scale amplification set off by the strong
north Pacific wave and associated upper level jet. This process will
continue today and tonight as the Pacific NW system moves into the
central Rockies with a nearly full latitude trough forming by Monday
morning. Lee side surface cyclogenesis will be well underway over the
Plains by then with deep southerly flow well established down to the
Gulf coast. Strong low level moisture transport into the warm
frontal zone will support an expanding area of rain over the Midwest
and western Great Lakes through the day. Model trends are just a few
hours slower on time of arrival in SE Michigan, however this delay
is allowing the bulk of activity to pass by to the west and north
before the warm front moves through the region Monday afternoon. The
resulting forecast adjustments maintain likely POPs in the Tri Cities
region tapering to dry conditions toward the Ohio border.
Anticipating less coverage of rain in general will allow temps to
make a run into the mid and 50s, especially near the Ohio border.

The wing of isentropic lift and associated rain showers will usher
in the primary moisture axis/theta-e ridge during Monday night. The
low level jet maturing to about 60 kts at 850 mb will continue
strong low level moisture transport which will generate enough
elevated instability for a chance of thunderstorms. NAM and GFS
depictions of 850 mb LI around -2C with 700-500 mb lapse rate around
7 C/km is convincing for this time of year, especially in such a
strongly forced large scale environment. There is good model
agreement showing the surface low deepening rapidly as it moves
across central Lake Superior Monday night as the upper wave gains
negative tilt within the long wave trough and as the upper jet max
pushes 150 knots by Tuesday morning. In addition to thunderstorm
potential, these system characteristics will also support concern
for strong wind along and behind the powerful cold front passing
through the region early Tuesday morning. Cold advection and
subsidence will be top notch immediately behind the front followed by
a deepening mixed layer through the day, both of which will
potentially direct 40+ kt 850 mb flow toward the surface. There is
still time to monitor the strength trends of the low pressure system
for potential wind headlines while maintaining a mention of 40 mph
wind gusts in the HWO for Tuesday into Tuesday evening.

The wind will diminish later Tuesday night into Wednesday but
sharply colder temperatures will be in place and last through the
remainder of the week. High temperatures barely reaching the
freezing mark each day illustrate the staying power of the cold air
mass reinforced by westerly flow and scattered to numerous lake
effect snow showers.

MARINE...

High pressure will ridge into the region from the south today
resulting in light winds gradually becoming more southerly with time
by this evening. Low pressure will develop across the northern
Plains on Monday and tighten the pressure gradient, resulting in
strengthening southerly winds especially over the open Lake Huron
waters. The low pressure will rapidly deepen into a powerful storm
system Monday night into Tuesday as it tracks northeast across Lake
Superior and into central Ontario. Winds will gradually veer
southwesterly Monday night and into early Tuesday and continue to
remain strong across the entire Lake Huron basin including Saginaw
Bay. A powerful cold front will then sweep through the region during
the day Tuesday with the flow becoming westerly in its wake.
Widespread showers will accompany the frontal passage, along with
possible thunderstorms. Colder air rushing in behind the front over
the mild waters will continue to support gusty winds well into
Wednesday. A long duration, high-end gale event is becoming
increasingly likely beginning Monday and continuing through at least
Tuesday night, and a Gale Watch remains in effect for the entire
Lake Huron basin. Wind gusts during this timeframe may reach 40-45
knots. Lake effect snow showers may also become quite prevalent
beginning Wednesday as the cold air continues to get reinforced by a
series of troughs through the week.

HYDROLOGY...

Low pressure developing over the northern Plains Monday will rapidly
deepen into a powerful storm system as it tracks northeast across
Lake Superior and into central Ontario Tuesday. A strong cold front
accompanying the system will cross the region Monday night and into
Tuesday, bringing widespread showers and possible thunderstorms.
Most areas look to see rainfall amounts around a quarter of an inch,
with up to a half of an inch possible in the Saginaw Valley. Locally
higher amounts will be possible in thunderstorms. No flooding
concerns are anticipated due to the progressive nature of the system.

&&

.DTX WATCHES/WARNINGS/ADVISORIES...

MI...NONE.

Lake Huron...Gale Watch from Monday morning through late Tuesday night for
     LHZ361>363-441>443-462>464.

     Gale Watch from Monday evening through late Tuesday night for
     LHZ421-422.

Lake St Clair...NONE.

Michigan waters of Lake Erie...NONE.

&&

AVIATION.....IRL
DISCUSSION...BT
MARINE.......IRL
HYDROLOGY....IRL

You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.
Hazardous weather outlook, Dec 3, 4:18 AM EST, 5 hours 32 minutes before
Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
418 AM EST Sun Dec 3 2017

MIZ047>049-053>055-060>063-068>070-075-076-082-083-040930-
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
418 AM EST Sun Dec 3 2017

This hazardous weather outlook is for southeast Michigan.

.DAY ONE...Today and Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

A strong cold front will move through the region Monday night after
midnight through early Tuesday. This system will bring a chance of
thunderstorms Monday night. Wind gusts of 40 mph or greater are also
possible along and behind the front through Tuesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-040930-
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-
418 AM EST Sun Dec 3 2017

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...Monday through Saturday

A gale watch is now in effect Monday through Tuesday night for all
of Lake Huron, including Saginaw Bay. A strong low pressure system
developing over the Plains and Midwest could produce southerly gales
Monday followed by westerly gales after the passage of a strong cold
front Tuesday. Please see the latest marine forecasts for details.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.

BT

In the hours before

Special weather statement, Dec 3, 4:14 AM EST, 5 hours 36 minutes before
Special Weather Statement
National Weather Service Detroit/Pontiac MI
414 AM EST Sun Dec 3 2017

MIZ047>049-053>055-060>063-068>070-031300-
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-
Lapeer-St. Clair-Livingston-Oakland-Macomb-
Including the cities of Midland, Bay City, Bad Axe, Saginaw,
Caro, Sandusky, Owosso, Flint, Lapeer, Port Huron, Howell,
Pontiac, and Warren
414 AM EST Sun Dec 3 2017

...CAUTIOUS TRAVEL IS ADVISED FOR REDUCED VISIBILITY AND PATCHY
BLACK ICE IN AREAS OF PATCHY FOG AND FREEZING FOG THIS MORNING...

WEATHER...

 * Patchy fog and freezing fog will impact areas of southeastern
   Michigan mainly north of Interstate 96 early this morning.

 * Light and variable winds with temperatures in the mid 20s to
   mid 30s.

IMPACTS...

 * Visibility reductions less than 1 mile will be possible.

 * In areas of freezing fog, patchy black ice formation is
   possible leading to slick surfaces including untreated roadways.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * Patchy fog means areal coverage or duration of the fog will be
   limited. Motorists are urged to use caution and account for
   variable driving conditions by slowing down and allowing extra
   time.

IRL

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 3, 4:01 PM ESTSmall Craft AdvisoryDTX72 hr

Nearby

Gale Warnings in Michigan, 2017Every gale warning in 2017

Sources

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