Alert archive / Alabama / Small Craft Advisories in 2016

Small Craft Advisory 59, NWS Mobile, AL

December 28, 2016

NWS Mobile, AL issued this small craft advisory at Dec 28, 2016, 2:42 PM CST. It took effect at Dec 29, 2016, 9:00 AM CST. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued
Dec 28, 2016, 2:42 PM CST (20:42 UTC)
In effect from
Dec 29, 2016, 9:00 AM CST
Expired
Dec 30, 2016, 12:00 PM CST
In force
27 hr
Issued by
NWS Mobile, AL

The text

As transmitted.

988 
WHUS74 KMOB 282042
MWWMOB

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
242 PM CST WED DEC 28 2016

...THE DENSE FOG ADVISORY FOR MOBILE BAY AND THE MISSISSIPPI SOUND
REMAINS IN EFFECT THROUGH 8 AM CST THURSDAY...

...SMALL CRAFT ADVISORIES NOW IN EFFECT FROM 9 AM THURSDAY TO FRIDAY
MORNING... 

.AREAS OF SEA FOG...LOCALLY DENSE AT TIMES...LOOK TO PERSIST ACROSS
MOBILE BAY AND THE MISSISSIPPI SOUND UNTIL 8 AM THURSDAY. FOG MAY
EXPAND NORTH AND EASTWARD ACROSS THE REMAINDER OF THE NEAR SHORE
WATERS TONIGHT. A STRONG COLD FRONT MAKES PASSAGE THURSDAY
MORNING...BRINGING A STRONG OFFSHORE FLOW IN ITS WAKE...CHOPPY TO
ROUGH CONDITIONS ON BAYS AND SOUNDS AND A SUBSEQUENT BUILD IN SEAS.
DUE TO THE NORTHERLY FETCH...THE HIGHEST SEAS LOOK TO OCCUR BEYOND 20
NAUTICAL MILES OUT.

GMZ630>632-290400-
/O.CON.KMOB.MF.Y.0019.000000T0000Z-161229T1400Z/
/O.NEW.KMOB.SC.Y.0059.161229T1500Z-161230T1300Z/
NORTHERN MOBILE BAY-SOUTHERN MOBILE BAY-MISSISSIPPI SOUND-
242 PM CST WED DEC 28 2016

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM CST THURSDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM THURSDAY TO 7 AM CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT FROM 9 AM THURSDAY TO 7 AM CST
FRIDAY. 

* WINDS...BECOMING NORTH 18 TO 23 KNOTS WITH GUSTS BETWEEN 25 AND 30
  KNOTS.

* WAVES...CHOPPY TO ROUGH ON BAYS AND SOUNDS.

* VISIBILITY...LESS THAN ONE NAUTICAL MILE AT TIMES OVERNIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE MILE. INEXPERIENCED MARINERS...
ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID
NAVIGATING IN THESE CONDITIONS.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OR FREQUENT GUSTS
OF 20 TO 33 KNOTS AND/OR SEAS OF 7 FEET OR HIGHER ARE EXPECTED TO
PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED
MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD
AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

GMZ650-655-670-675-290400-
/O.NEW.KMOB.SC.Y.0059.161229T1500Z-161230T1600Z/
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM-
COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM-
WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM-
WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM-
242 PM CST WED DEC 28 2016

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM THURSDAY TO 10 AM CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT FROM 9 AM THURSDAY TO 10 AM CST
FRIDAY. 

* WINDS...BECOMING NORTH 18 TO 23 KNOTS WITH GUSTS BETWEEN 25 AND 30
  KNOTS.

* SEAS...BUILDING 4 TO 7 FEET NEAR SHORE AND 7 TO 9 FEET WELL
  OFFSHORE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OR FREQUENT GUSTS
OF 20 TO 33 KNOTS AND/OR SEAS OF 7 FEET OR HIGHER ARE EXPECTED TO
PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED
MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD
AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

GMZ633>635-290400-
/O.NEW.KMOB.SC.Y.0059.161229T1500Z-161230T1300Z/
PERDIDO BAY-PENSACOLA BAY SYSTEM-CHOCTAWHATCHEE BAY-
242 PM CST WED DEC 28 2016

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM THURSDAY TO 7 AM CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT FROM 9 AM THURSDAY TO 7 AM CST
FRIDAY. 

* WINDS...BECOMING NORTH 18 TO 23 KNOTS WITH FREQUENT HIGHER GUSTS.

* WAVES...CHOPPY TO ROUGH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OR FREQUENT GUSTS
OF 20 TO 33 KNOTS AND/OR SEAS OF 7 FEET OR HIGHER ARE EXPECTED TO
PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED
MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD
AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
7 follow-up statements
919 
WHUS74 KMOB 290311 AAA
MWWMOB

URGENT - MARINE WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE MOBILE AL
911 PM CST WED DEC 28 2016

...THE DENSE FOG ADVISORY FOR MOBILE BAY AND THE MISSISSIPPI
SOUND REMAINS IN EFFECT THROUGH 8 AM CST THURSDAY...

...SMALL CRAFT ADVISORIES NOW IN EFFECT FROM 9 AM THURSDAY TO
FRIDAY MORNING...

.AREAS OF FOG...LOCALLY DENSE AT TIMES...LOOK TO PERSIST ACROSS
MOBILE BAY AND THE MISSISSIPPI SOUND UNTIL 8 AM THURSDAY. FOG MAY
EXPAND NORTH AND EASTWARD ACROSS THE REMAINDER OF THE NEAR SHORE
WATERS TONIGHT. A STRONG COLD FRONT MAKES PASSAGE THURSDAY
MORNING BRINGING A STRONG OFFSHORE AND BUILDING SEAS. 

GMZ630>632-291200-
/O.CON.KMOB.MF.Y.0019.000000T0000Z-161229T1400Z/
/O.CON.KMOB.SC.Y.0059.161229T1500Z-161230T1300Z/
NORTHERN MOBILE BAY-SOUTHERN MOBILE BAY-MISSISSIPPI SOUND-
911 PM CST WED DEC 28 2016

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM CST THURSDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THURSDAY TO
7 AM CST FRIDAY...

* WINDS...BECOMING NORTH 18 TO 23 KNOTS WITH GUSTS BETWEEN 25 
  AND 30 KNOTS. 

* WAVES...CHOPPY TO ROUGH ON BAYS AND SOUNDS.

* VISIBILITY...LESS THAN ONE NAUTICAL MILE AT TIMES OVERNIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE MILE. INEXPERIENCED MARINERS...
ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID
NAVIGATING IN THESE CONDITIONS.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OR FREQUENT GUSTS
OF 20 TO 33 KNOTS AND/OR SEAS OF 7 FEET OR HIGHER ARE EXPECTED TO
PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED
MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD
AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

GMZ650-655-670-675-291200-
/O.CON.KMOB.SC.Y.0059.161229T1500Z-161230T1600Z/
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM-
COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM-
WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM-
WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM-
911 PM CST WED DEC 28 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THURSDAY TO
10 AM CST FRIDAY...

* WINDS...BECOMING NORTH 18 TO 23 KNOTS WITH GUSTS BETWEEN 25 
  AND 30 KNOTS. 

* SEAS...BUILDING 4 TO 7 FEET NEAR SHORE AND 7 TO 9 FEET WELL 
  OFFSHORE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OR FREQUENT GUSTS
OF 20 TO 33 KNOTS AND/OR SEAS OF 7 FEET OR HIGHER ARE EXPECTED TO
PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED
MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD
AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

GMZ633>635-291200-
/O.CON.KMOB.SC.Y.0059.161229T1500Z-161230T1300Z/
PERDIDO BAY-PENSACOLA BAY SYSTEM-CHOCTAWHATCHEE BAY-
911 PM CST WED DEC 28 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THURSDAY TO
7 AM CST FRIDAY...

* WINDS...BECOMING NORTH 18 TO 23 KNOTS WITH FREQUENT HIGHER 
  GUSTS.

* WAVES...CHOPPY TO ROUGH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OR FREQUENT GUSTS
OF 20 TO 33 KNOTS AND/OR SEAS OF 7 FEET OR HIGHER ARE EXPECTED TO
PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED
MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD
AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
587 
WHUS74 KMOB 290956
MWWMOB

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
356 AM CST THU DEC 29 2016

...THE DENSE FOG ADVISORY FOR MOBILE BAY AND THE MISSISSIPPI
SOUND REMAINS IN EFFECT THROUGH 8 AM CST THURSDAY...

...SMALL CRAFT ADVISORIES IN EFFECT FROM 9 AM TODAY THROUGH FRIDAY
MORNING...

.AREAS OF FOG...LOCALLY DENSE AT TIMES...LOOK TO PERSIST ACROSS
MOBILE BAY AND THE MISSISSIPPI SOUND UNTIL 8 AM THURSDAY. FOG MAY
EXPAND NORTH AND EASTWARD ACROSS THE REMAINDER OF THE NEAR SHORE
WATERS TONIGHT. A STRONG COLD FRONT MAKES PASSAGE THURSDAY
MORNING BRINGING A STRONG OFFSHORE AND BUILDING SEAS.

GMZ630-291800-
/O.CAN.KMOB.MF.Y.0019.000000T0000Z-161229T1400Z/
/O.EXT.KMOB.SC.Y.0059.161229T1500Z-161230T0900Z/
NORTHERN MOBILE BAY-
356 AM CST THU DEC 29 2016

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 AM THIS MORNING TO
3 AM CST FRIDAY...
...DENSE FOG ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE DENSE
FOG ADVISORY. 

* WINDS...BECOMING NORTH 18 TO 23 KNOTS WITH GUSTS BETWEEN 25  
AND 30 KNOTS.

* WAVES...CHOPPY TO ROUGH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OR FREQUENT GUSTS
OF 20 TO 33 KNOTS AND/OR SEAS OF 7 FEET OR HIGHER ARE EXPECTED TO
PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED
MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD
AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

GMZ631-632-291800-
/O.CON.KMOB.MF.Y.0019.000000T0000Z-161229T1400Z/
/O.EXT.KMOB.SC.Y.0059.161229T1500Z-161230T1600Z/
SOUTHERN MOBILE BAY-MISSISSIPPI SOUND-
356 AM CST THU DEC 29 2016

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM CST THIS
MORNING...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 AM THIS MORNING TO
10 AM CST FRIDAY...

* WINDS...BECOMING NORTH 18 TO 23 KNOTS WITH GUSTS BETWEEN 25 
  AND 30 KNOTS. 

* WAVES...CHOPPY TO ROUGH.

* VISIBILITY...LESS THAN ONE NAUTICAL MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED
TO LESS THAN ONE MILE. INEXPERIENCED MARINERS... ESPECIALLY THOSE
OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE
CONDITIONS.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OR FREQUENT GUSTS
OF 20 TO 33 KNOTS AND/OR SEAS OF 7 FEET OR HIGHER ARE EXPECTED TO
PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED
MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD
AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

GMZ633>635-291800-
/O.EXT.KMOB.SC.Y.0059.161229T1500Z-161230T0900Z/
PERDIDO BAY-PENSACOLA BAY SYSTEM-CHOCTAWHATCHEE BAY-
356 AM CST THU DEC 29 2016

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 AM THIS MORNING TO
3 AM CST FRIDAY...

* WINDS...BECOMING NORTH 18 TO 23 KNOTS WITH FREQUENT HIGHER 
  GUSTS. 

* WAVES...CHOPPY TO ROUGH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OR FREQUENT GUSTS
OF 20 TO 33 KNOTS AND/OR SEAS OF 7 FEET OR HIGHER ARE EXPECTED TO
PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED
MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD
AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

GMZ650-655-670-675-291800-
/O.CON.KMOB.SC.Y.0059.161229T1500Z-161230T1600Z/
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM-
COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM-
WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM-
WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM-
356 AM CST THU DEC 29 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO 10 AM CST FRIDAY...

* WINDS...BECOMING NORTH 18 TO 23 KNOTS WITH GUSTS BETWEEN 25 
  AND 30 KNOTS. 

* SEAS...BUILDING 4 TO 7 FEET NEAR SHORE AND 7 TO 9 FEET WELL 
  OFFSHORE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OR FREQUENT GUSTS
OF 20 TO 33 KNOTS AND/OR SEAS OF 7 FEET OR HIGHER ARE EXPECTED TO
PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED
MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD
AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
915 
WHUS74 KMOB 291441 AAA
MWWMOB

URGENT - MARINE WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE MOBILE AL
841 AM CST THU DEC 29 2016

...SMALL CRAFT ADVISORIES REMAIN IN EFFECT THROUGH FRIDAY MORNING...

.SOUTHEASTWARD SURGING COLD FRONT BRINGS A STRONG OFFSHORE FLOW IN
ITS WAKE ALONG WITH A SUBSEQUENT BUILD IN SEAS.

GMZ631-632-650-655-670-675-292100-
/O.CON.KMOB.SC.Y.0059.161229T1500Z-161230T1600Z/
SOUTHERN MOBILE BAY-MISSISSIPPI SOUND-
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM-
COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM-
WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM-
WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM-
841 AM CST THU DEC 29 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST
FRIDAY...

* WINDS...BECOMING NORTH 18 TO 23 KNOTS WITH GUSTS BETWEEN 25 
  AND 30 KNOTS. 

* WAVES/SEAS...CHOPPY TO ROUGH CONDITIONS DEVELOPING ON BAYS AND
  SOUNDS. SEAS BUILDING 4 TO 7 FEET NEAR SHORE AND 7 TO 9 FEET WELL
  OFFSHORE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OR FREQUENT GUSTS
OF 20 TO 33 KNOTS AND/OR SEAS OF 7 FEET OR HIGHER ARE EXPECTED TO
PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED
MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD
AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

GMZ630-633>635-292100-
/O.CON.KMOB.SC.Y.0059.161229T1500Z-161230T0900Z/
NORTHERN MOBILE BAY-PERDIDO BAY-PENSACOLA BAY SYSTEM-
CHOCTAWHATCHEE BAY-
841 AM CST THU DEC 29 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST FRIDAY...

* WINDS...BECOMING NORTH 18 TO 23 KNOTS WITH GUSTS BETWEEN 25 AND 30
  KNOTS.

* WAVES...CHOPPY TO ROUGH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OR FREQUENT GUSTS
OF 20 TO 33 KNOTS AND/OR SEAS OF 7 FEET OR HIGHER ARE EXPECTED TO
PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED
MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD
AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
408 
WHUS74 KMOB 291751
MWWMOB

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
1151 AM CST THU DEC 29 2016

...SMALL CRAFT ADVISORIES REMAIN IN EFFECT THROUGH FRIDAY
MORNING...

.SOUTHEASTWARD SURGING COLD FRONT BRINGS A STRONG OFFSHORE FLOW
IN ITS WAKE ALONG WITH A SUBSEQUENT BUILD IN SEAS.

GMZ630-633>635-300200-
/O.EXT.KMOB.SC.Y.0059.000000T0000Z-161230T1300Z/
NORTHERN MOBILE BAY-PERDIDO BAY-PENSACOLA BAY SYSTEM-
CHOCTAWHATCHEE BAY-
1151 AM CST THU DEC 29 2016

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM CST FRIDAY...

* WINDS...NORTH 18 TO 23 KNOTS WITH GUSTS BETWEEN 25 AND 30 KNOTS.

* WAVES...CHOPPY TO ROUGH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OR FREQUENT GUSTS
OF 20 TO 33 KNOTS AND/OR SEAS OF 7 FEET OR HIGHER ARE EXPECTED TO
PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED
MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD
AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

GMZ631-632-650-655-670-675-300200-
/O.CON.KMOB.SC.Y.0059.000000T0000Z-161230T1600Z/
SOUTHERN MOBILE BAY-MISSISSIPPI SOUND-
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM-
COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM-
WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM-
WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM-
1151 AM CST THU DEC 29 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST
FRIDAY...

* WINDS...BECOMING NORTH 18 TO 23 KNOTS WITH GUSTS BETWEEN 25 
  AND 30 KNOTS. 

* WAVES/SEAS...CHOPPY TO ROUGH CONDITIONS DEVELOPING ON BAYS AND 
  SOUNDS. SEAS BUILDING 4 TO 7 FEET NEAR SHORE AND 7 TO 9 FEET 
  WELL OFFSHORE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OR FREQUENT GUSTS
OF 20 TO 33 KNOTS AND/OR SEAS OF 7 FEET OR HIGHER ARE EXPECTED TO
PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED
MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD
AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
206 
WHUS74 KMOB 300257 AAA
MWWMOB

URGENT - MARINE WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE MOBILE AL
857 PM CST THU DEC 29 2016

...SMALL CRAFT ADVISORIES REMAIN IN EFFECT THROUGH FRIDAY
MORNING...

.A STRONG OFFSHORE FLOW AND BUILDING SEAS WILL CONTINUE THROUGH MOST
OF FRIDAY MORNING.

GMZ631-632-650-655-670-675-301200-
/O.CON.KMOB.SC.Y.0059.000000T0000Z-161230T1600Z/
SOUTHERN MOBILE BAY-MISSISSIPPI SOUND-
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM-
COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM-
WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM-
WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM-
857 PM CST THU DEC 29 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST
FRIDAY...

* WINDS...BECOMING NORTH 18 TO 23 KNOTS WITH GUSTS BETWEEN 25 
  AND 30 KNOTS. 

* WAVES/SEAS...CHOPPY TO ROUGH CONDITIONS DEVELOPING ON BAYS AND 
  SOUNDS. SEAS BUILDING 4 TO 7 FEET NEAR SHORE AND 7 TO 9 FEET 
  WELL OFFSHORE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OR FREQUENT GUSTS
OF 20 TO 33 KNOTS AND/OR SEAS OF 7 FEET OR HIGHER ARE EXPECTED TO
PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED
MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD
AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

GMZ630-633>635-301200-
/O.CON.KMOB.SC.Y.0059.000000T0000Z-161230T1300Z/
NORTHERN MOBILE BAY-PERDIDO BAY-PENSACOLA BAY SYSTEM-
CHOCTAWHATCHEE BAY-
857 PM CST THU DEC 29 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CST FRIDAY...

* WINDS...NORTH 18 TO 23 KNOTS WITH GUSTS BETWEEN 25 AND 30 
  KNOTS.

* WAVES...CHOPPY TO ROUGH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OR FREQUENT GUSTS
OF 20 TO 33 KNOTS AND/OR SEAS OF 7 FEET OR HIGHER ARE EXPECTED TO
PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED
MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD
AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
719 
WHUS74 KMOB 301003
MWWMOB

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
403 AM CST FRI DEC 30 2016

...SMALL CRAFT ADVISORIES REMAIN IN EFFECT FOR SOUTHERN MOBILE
BAY...THE EASTERN MISSISSIPPI SOUND...AND THE GULF WATERS THROUGH
10 AM THIS MORNING...

.A STRONG OFFSHORE FLOW AND HIGH SEAS WILL CONTINUE THROUGH MID
MORNING.

GMZ630-633>635-301115-
/O.CAN.KMOB.SC.Y.0059.000000T0000Z-161230T1300Z/
NORTHERN MOBILE BAY-PERDIDO BAY-PENSACOLA BAY SYSTEM-
CHOCTAWHATCHEE BAY-
403 AM CST FRI DEC 30 2016

...SMALL CRAFT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE SMALL
CRAFT ADVISORY. SMALL CRAFT SHOULD EXERCISE CAUTION THIS MORNING.

$$

GMZ631-632-650-655-670-675-301600-
/O.CON.KMOB.SC.Y.0059.000000T0000Z-161230T1600Z/
SOUTHERN MOBILE BAY-MISSISSIPPI SOUND-
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM-
COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM-
WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM-
WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM-
403 AM CST FRI DEC 30 2016

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

* WINDS...NORTH 20 TO 25 KNOTS WITH GUSTS BETWEEN 25 AND 30 KNOTS.

* WAVES/SEAS...CHOPPY TO ROUGH CONDITIONS ON BAYS AND SOUNDS. SEAS 4
  TO 7 FEET NEAR SHORE AND 7 TO 8 FEET WELL OFFSHORE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OR FREQUENT GUSTS
OF 20 TO 33 KNOTS AND/OR SEAS OF 7 FEET OR HIGHER ARE EXPECTED TO
PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED
MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD
AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
461 
WHUS74 KMOB 301536
MWWMOB

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
936 AM CST FRI DEC 30 2016

...A SMALL CRAFT ADVISORY REMAINS IN EFFECT FOR THE GULF WATERS
THROUGH NOON TODAY...

.A STRONG OFFSHORE FLOW AND HIGH SEAS WILL CONTINUE THROUGH NOON
TODAY.

GMZ631-632-301645-
/O.CAN.KMOB.SC.Y.0059.000000T0000Z-161230T1600Z/
SOUTHERN MOBILE BAY-MISSISSIPPI SOUND-
936 AM CST FRI DEC 30 2016

...SMALL CRAFT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE SMALL
CRAFT ADVISORY. 

WINDS HAVE FALLEN BELOW ADVISORY CRITERIA OVER SOUTH MOBILE BAY AND
THE MISSISSIPPI PROMPTING THE CANCELLATION OF THE SMALL CRAFT
ADVISORY.

$$

GMZ650-655-670-675-301800-
/O.EXT.KMOB.SC.Y.0059.000000T0000Z-161230T1800Z/
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM-
COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM-
WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM-
WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM-
936 AM CST FRI DEC 30 2016

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL NOON CST TODAY...

* WINDS...NORTH 20 TO 25 KNOTS WITH GUSTS BETWEEN 25 AND 30 
  KNOTS.

* WAVES/SEAS...SEAS 4 TO 7 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OR FREQUENT GUSTS
OF 20 TO 33 KNOTS AND/OR SEAS OF 7 FEET OR HIGHER ARE EXPECTED TO
PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED
MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD
AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

What forecasters said that day

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

NWS Mobile, AL wrote its last area forecast discussion before this small craft advisory went out at Dec 28, 11:41 AM CST, 3 hours 1 minute earlier.

Area forecast discussion, Dec 28, 11:41 AM CST, 3 hours 1 minute before
Area Forecast Discussion...UPDATED
National Weather Service Mobile AL
1141 AM CST Wed Dec 28 2016

.DISCUSSION...Updated for latest aviation discussion below.

&&

.AVIATION...
18Z issuance...Low stratus with cig bases projected at IFR
categories thru the remainder of the afternoon. light and variable
winds early, become more south to southwest in direction thru the
afternoon. A few showers. Will take a persistence approach going into
tonight with areas of BR/FG redeveloping, causing restrictions to
vsby to lower to LIFR/VLIFR categories. /10

&&

.PREV DISCUSSION... /issued 1048 AM CST Wed Dec 28 2016/

DISCUSSION...See updated information for land and marine areas below.

UPDATE...Upper air analysis shows a flat west to east (zonal) flow
in the geo-potential height aloft over the deep south. Oriented
parallel to the flow aloft is a quasi-stationary frontal boundary
draped from northern Louisiana to just north of the I-10 corridor
over the local area into south central Georgia. Latest analysis of
precipitable water plots show pwats ranging from 1.3 to 1.5 inches on
average over the forecast area. From a climate perspective, this is
160 to 190% of normal for the latter end of December. Although
extensive cloud cover exists along the frontal zone, latest
observations indicate that dense morning fog has been mixing out and
visibilities improving. Thus, the dense fog advisories have been
allowed to expire at 10 AM and have removed headlines from late
morning zone update. Fog likely to redevelop northward again tonight
and generally be confined to the southern third of counties. This is
carried in latest forecast and will leave unchanged. With the
boundary nearby, will maintain a mention of isolated to lower end
scattered showers thru the remainder of the day as subtle mid level
impulses embedded in the flow aloft pass eastward across the region.
Latest forecast soundings show weak mid level instability which could
bring a rumble of thunder here and there, but the potential appears
too limited to mention in the zones at this time.

Daytime highs in the mid 70s appears on track, and as the past
couple days can attest, these numbers will come in unseasonably warm
being nearly 15 degrees above climo. Cold frontal passage on
Thursday will soon change that to close out the week. /10

MARINE...Patches of fog will be maintained today and will likely
redevelop northward and thicken overnight. Frontal passage on
Thursday scours out the fog but brings a strengthening offshore flow
and building sea states. These conditions will likely require the
issuance of small craft advisories on the 4 pm package. /10

PREV DISCUSSION... /issued 605 AM CST Wed Dec 28 2016/

DISCUSSION...Updated for latest aviation discussion below.

AVIATION...
12Z issuance...Areas of fog will persist along the northern gulf
coast region through 19z. VLIFR visibility (~1/4SM) and LIFR ceiling
(~300 feet) conditions at KMOB, LIFR to IFR visibility (1/2SM to
1SM) and LIFR ceiling (~300 feet) at KBFM, and IRF to MVFR visibility
(~4SM) and ceiling (400 to 800 feet) at KPNS will slowly improve as
the fog gradually dissipates. All TAF sites should return to VFR
visibility conditions by 19z, but ceilings will likley only improve
to IFR or MVFR (700 to 1500 feet) criteria by early to mid
afternoon. Additional fog is likely to form along the northern gulf
coast region again tonight, with LIFR to IFR visibility and ceiling
conditions impacting all the TAF sites. /22

PREV DISCUSSION... /issued 429 AM CST Wed Dec 28 2016/

NEAR TERM /Now Through Wednesday night/...A surface boundary across
the forecast area will move northward today as surface high pressure
across the southeastern conus shifts southeast. A strong cold front
exiting the northern plains will then quickly approach the region
from the northwest tonight. Nearly zonal flow aloft will persist
with upper high pressure remaining over the southern Gulf of Mexico.
Areas of dense fog mainly along and east of I-65 will persist
through 10 am this morning before dissipating, and a Dense Fog
Advisory has been issued for much of the area. Patchy fog is
expected further to the west. Isolated to low end scattered showers
can be expected mainly along the I-10 corridor this morning, and
then advance northward this afternoon as the warm front lifts north.
Rain chances will then increase from north to south through tonight
ahead of the advancing cold front.

High temperatures today will be 13 to 16 degrees above normal,
ranging from 73 to 77 degrees. Low temperatures tonight will range
from 56 to 61 degrees west I-65, and from 61 to 65 degrees to the
east. /22

SHORT TERM /Thursday Through Friday night/...An upper level
longwave trough deepens over the Appalachians and the mid Atlantic
coast, resulting in mid and upper level flow over the central Gulf
states transitioning from zonal to more northwesterly. As this
occurs, the surface cold front approaching from the northwest
quickly pushes through the forecast area, with model guidance
continuing to suggest the front being well offshore by midday. Ahead
of this front, ample pooling of moisture (PWATS ~1.50") coupled with
decent frontal forcing and modest (albeit elevated) instability will
result in continued shower activity, and perhaps even a few rumbles
of thunder, early Thursday. Shower chances will decrease from north
to south through the day as skies begin to clear in the wake of the
front. Northerly flow ushers in a much cooler and drier airmass
Thursday night through the remainder of the short term.

High temperatures Thursday will depend largely on the timing of
the front, with highs likely occurring just prior to frontal passage
for any given location (earlier in the day the farther north you
go). Currently anticipating low 60's inland to upper 60's along
the coast. Temperatures will then cool through the day in the wake
of the front as cold air advection likely dominates any post-
frontal solar heating. Lows Thursday and Friday nights will be much
cooler than the past week, with temps dipping into the low to mid
30's Thursday night and mid to upper 30's Friday night. Friday's
high temps will likewise be a bit cooler, only reaching mid to upper
50's areawide. /49

LONG TERM /Saturday Through Tuesday/...Zonal flow returns aloft
Saturday, with high pressure over the western Atlantic once again
establishing southerly flow and low-level moisture advection across
the central Gulf coast. Another upper-level trough begins to deepen
over the western and central CONUS Saturday night, shifting flow to
more southwesterly in the process. With mid- and upper-level
southwesterly winds phasing well with the southerly low-level winds,
we begin to moisten the deep-layer column and subsequently return
shower and thunderstorm activity to the area beginning Saturday and
lasting through the early part of next week. The return of southerly
low-level winds also leads to warming temperatures, with afternoon
highs on Saturday in the upper 50's to low 60's becoming low to mid
70's Sunday through early next week. Lows will likewise trend warmer,
with mid to upper 50's expected across the area Saturday night and
upper 50's to low 60's Sunday/Monday nights. /49

MARINE...A light to moderate southwesterly wind flow will continue
over the marine area through tonight while a strong cold front
approaches the region from the northwest. Areas of dense sea fog
will continue over the near shore waters of Alabama and Northwest
Florida until 10 am this morning, and likley persist across Mobile
Bay and the Mississippi Sound until 8 am Thursday. The dense fog may
expand across the near shore waters again tonight. The cold front
will move through the marine area on Thursday with a strong offshore
flow and building seas developing in the wake of the front through
early Friday. Southerly flow quickly returns by Saturday. /22

&&

.MOB WATCHES/WARNINGS/ADVISORIES...
AL...None.
FL...None.
MS...None.
GM...Dense Fog Advisory until 8 AM CST Thursday for GMZ630>632.

&&

This product is also available on the web at:
http://weather.gov/mob
Hazardous weather outlook, Dec 28, 8:41 AM CST, 6 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOBILE AL
841 AM CST WED DEC 28 2016

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-291200-
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-MOBILE INLAND-BALDWIN INLAND-MOBILE CENTRAL-
BALDWIN CENTRAL-MOBILE COASTAL-BALDWIN COASTAL-ESCAMBIA INLAND-
ESCAMBIA COASTAL-SANTA ROSA INLAND-SANTA ROSA COASTAL-
OKALOOSA INLAND-OKALOOSA COASTAL-WAYNE-PERRY-GREENE-STONE-GEORGE-
841 AM CST WED DEC 28 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
ALABAMA...SOUTHWEST ALABAMA...NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

.DAY ONE...TODAY AND TONIGHT

DENSE MORNING FOG IS FORECAST TO LIFT INTO THE MID AND LATE MORNING
CAUSING AN IMPROVEMENT IN VISIBILITY. AREAS OF FOG, LOCALLY DENSE AT
TIMES, WILL LIKELY REDEVELOP ALONG THE COASTAL ZONES TONIGHT
GENERALLY ALONG AND SOUTH OF INTERSTATE 10.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF SKYWARN SEVERE STORM SPOTTER NETWORKS IS NOT
EXPECTED THROUGH TUESDAY.

GMZ630>635-650-655-670-675-291200-
NORTHERN MOBILE BAY-SOUTHERN MOBILE BAY-MISSISSIPPI SOUND-
PERDIDO BAY-PENSACOLA BAY SYSTEM-CHOCTAWHATCHEE BAY-
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM-
COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM-
WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM-
WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM-
841 AM CST WED DEC 28 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE COASTAL
WATERS OF ALABAMA AND NORTHWEST FLORIDA.

.DAY ONE...TODAY AND TONIGHT

AREAS OF FOG, LOCALLY DENSE AT TIMES REDUCING VISIBILITIES TO AT OR
BELOW A HALF MILE, LIKELY TO LINGER OVER THE COASTAL WATERS THROUGH
TONIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

MODERATE TO STRONG OFFSHORE FLOW DEVELOPS ON THURSDAY AND PERSISTS INTO
THURSDAY NIGHT IN THE WAKE OF A FRONTAL PASSAGE. SEAS BUILDING.
SMALL CRAFT ADVISORIES WILL LIKELY BE REQUIRED.

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 27, 8:58 PM CSTDense Fog AdvisoryMOBBaldwin, Butler, Clarke, Conecuh, Covington, Crenshaw and 5 more13 hr
Dec 27, 9:03 PM CSTMarine Dense Fog AdvisoryMOB35 hr

Nearby

Small Craft Advisories in Alabama, 2016Every small craft advisory in 2016

Sources

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