Alert archive / Michigan / Storm Warnings in 2017

Storm Warning 4, NWS Detroit, MI

December 5, 2017

NWS Detroit, MI issued this storm warning at Dec 5, 2017, 3:51 AM EST. It was in force for 18 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 5, 2017, 3:51 AM EST (08:51 UTC)
Expired
Dec 5, 2017, 10:00 PM EST
In force
18 hr
Issued by
NWS Detroit, MI

The text

As transmitted.

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
4 follow-up statements
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

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 5, 3:51 AM ESTGale WarningDTX36 hr
Dec 5, 3:57 AM ESTWind AdvisoryDTXBay, Genesee, Huron, Lapeer, Livingston, Macomb and 9 more15 hr
Dec 5, 9:54 AM ESTLow Water AdvisoryDTX25 hr

Nearby

Storm Warnings in Michigan, 2017Every storm 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.