000
AGXX40 KNHC 201826
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
126 PM EST WED NOV 20 2013

MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN
SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND
64W...AND THE SW N ATLANTIC INCLUDING THE BAHAMAS.

..GULF OF MEXICO...

MODEL PREFERENCE: THE GFS BLENDED WITH THE OFFICIAL FORECAST FOR
WINDS. BLEND OF PREVIOUS FORECAST AND MWW3 FOR WAVES. HIGH
CONFIDENCE.

STATIONARY FRONT FROM FORT MYERS FLORIDA TO 25N90W TO 27N96W WILL
DISSIPATE TONIGHT. A STRONG COLD FRONT WILL MOVE INTO THE NW GULF
FRI NIGHT AND EXTEND FROM APALACHICOLA BAY TO 26N94W TO THE
WESTERN BAY OF CAMPECHE SAT NIGHT AND MOVE SE OF THE AREA BY SUN
NIGHT. STRONG NORTHERLY WINDS IN THE 20-25 KT RANGE BEHIND THE
FRONT. WINDS COULD POSSIBLY INCREASE TO GALE FORCE OVER PORTIONS
OF THE SOUTHWESTERN GULF WITH RAPIDLY BUILDING SEAS W OF THE
FRONT SAT AND SUN THEN DECREASE MON.


...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN
55W AND 65W...

MODEL PREFERENCE: GFS BLENDED WITH PREVIOUS FORECAST FOR WINDS.
BLEND OF PREVIOUS FORECAST AND MWW3 FOR WAVES. HIGH CONFIDENCE.

WITH THE ABSENCE OF THE ATLC RIDGE THE TRADES ACROSS THE CARIBBEAN ARE
IN THE 10-15 KT RANGE. THESE CONDITION SHOULD REMAIN THROUGH THE
FORECAST PERIOD. SEAS ACROSS THE AREA ARE BELOW 5 FT...EXCEPT FOR
LARGE NE SWELLS THROUGH THE ATLC PASSAGES AND THE NORTHERN
PORTION OF THE TROPICAL ATLC ZONE GENERATED BY TROPICAL STORM
MELISSA WILL SUBSIDE BY THU.

...SW N ATLANTIC INCLUDING THE BAHAMAS...

MODEL PREFERENCE: GFS BLENDED WITH PREVIOUS FORECAST FOR
WINDS. BLEND OF PREVIOUS FORECAST AND MWW3 FOR WAVES. HIGH
CONFIDENCE.

COLD FRONT FROM 29N65W TO CENTRAL FLORIDA WILL BECOME DIFFUSE
ALONG 27N THU. HIGH PRES BUILDS BEHIND FRONT THROUGH SAT. NE WINDS 
TO 20 KT ARE N OF THE FRONT WITH SEAS TO 9 FT IN NE SWELL. HIGH
PRES STRENGTHENS N OF THE AREA ON THU AND ELY WINDS INCREASE TO
20-25 KT IN THE NE PORTION OF THE AREA. WINDS DECREASE AND SEAS
SUBSIDE ON FRI. THE NEXT COLD FRONT IS FORECAST TO REACH THE FAR
NW CORNER EARLY ON SUN AND EXTEND FROM BERMUDA TO S FLORIDA SUN.
THE FRONT MOVES RAPIDLY E OF THE AREA MON. STRONG HIGH PRES BUILDS
BEHIND THE FRONT AND NE WINDS INCREASE TO 20-25 KT WITH SEAS
BUILDING 8 TO 10 FT ON MON.

$$

.WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE
COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE:

.GULF OF MEXICO...
GMZ011...NONE.
GMZ013...NONE.
GMZ015...NONE.
GMZ017...GALE CONDITIONS EXPECTED SAT NIGHT INTO SUN. 
GMZ019...NONE.
GMZ021...NONE.
GMZ023...GALE CONDITIONS EXPECTED SAT NIGHT INTO SUN. 
GMZ025...NONE.

.CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN
55W AND 64W...
AMZ011...NONE.
AMZ013...NONE.
AMZ015...NONE.
AMZ017...NONE.
AMZ019...NONE.
AMZ021...NONE.
AMZ023...NONE.
AMZ025...NONE.
AMZ027...NONE.
AMZ029...NONE.
AMZ031...NONE.
AMZ033...NONE.
AMZ035...NONE.
AMZ037...NONE.
AMZ039...NONE.

.SW N ATLANTIC INCLUDING THE BAHAMAS...
AMZ111...NONE.
AMZ113...NONE.
AMZ115...NONE.
AMZ117...NONE.
AMZ119...NONE.
AMZ121...NONE.
AMZ123...NONE.
AMZ125...NONE.
AMZ127...NONE.

*FOR DETAILED ZONE DESCRIPTIONS PLEASE VISIT:
HTTP://WWW.NHC.NOAA.GOV/ABOUTTAFBPROD.SHTML#OWF

NOTE: GRIDDED MARINE FORECASTS ARE AVAILABLE IN THE
NATIONAL DIGITAL FORECAST DATABASE (NDFD) AT:
HTTP://WWW.NHC.NOAA.GOV/MARINE/GRIDS.PHP

FOR ADDITIONAL INFORMATION PLEASE VISIT:
HTTP://WWW.HURRICANES.GOV/MARINE

$$
.FORECASTER DGS. NATIONAL HURRICANE CENTER.