000
AGXX40 KNHC 061858
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
158 PM EST SAT DEC 6 2014

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: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL 
FORECAST. MWW3 USED FOR WAVES. HIGH CONFIDENCE.

A WEAK COLD FRONT WILL MOVE INTO THE NW GULF LATER TODAY. THE
FRONT WILL EXTEND FROM NAPLES FLORIDA TO BROWNSVILLE TEXAS SUN
NIGHT AND DISSIPATE ACROSS MUCH OF THE GULF BY MON NIGHT AS THE
REMAINDER OF THE FRONT MOVES SE THROUGH THE STRAITS OF FLORIDA.
HIGH PRES WILL BUILD OVER THE NW GULF MON AND TUE...THEN WEAKEN AS
IT SHIFTS EASTWARD WED. MOSTLY LIGHT WINDS THROUGH THE FORECAST
PERIOD.

...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN
55W AND 64W...

MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL 
FORECAST. MWW3 USED FOR WAVES. HIGH CONFIDENCE.

A TIGHT PRESSURE GRADIENT OVER THE NW AND N CENTRAL PORTIONS OF
THE CARIBBEAN SEA...INCLUDING THE WINDWARD PASSAGE...WILL ALLOW
FRESH TO OCCASIONALLY STRONG NE WINDS TO CONTINUE THROUGH TONIGHT
WITH A WEAKER PRES GRADIENT ELSEWHERE. DEVELOPING LOW PRES OFF THE
U.S. EAST COAST WILL FURTHER WEAKEN THE PRESSURE GRADIENT OVER THE
AREA MON NIGHT THROUGH WED. N SWELL WILL MOVE INTO THE TROPICAL N
ATLC WATERS WED.

...SW N ATLANTIC S OF 31N W OF 55W INCLUDING THE BAHAMAS...

MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL 
FORECAST. MWW3 USED FOR WAVES. MEDIUM CONFIDENCE.

A COLD FRONT WILL MOVE INTO NW WATERS TONIGHT INTO SUN AND EXTEND
FROM 31N72W TO CENTRAL FLORIDA SUN NIGHT AND WEAKEN FROM 31N72W
THROUGH THE SOUTHERN BAHAMAS TO CENTRAL CUBA MON NIGHT. ANOTHER FRONT
WILL MOVE INTO NW WATERS LATE MON AND EXTEND FROM 31N77W TO
DAYTONA BEACH FLORIDA MON NIGHT...FROM 31N73W TO THE STRAITS OF
FLORIDA TUE NIGHT AND FROM 30N65W TO EASTERN CUBA WED NIGHT. A NEW
BATCH OF NE SWELL WILL MOVE INTO NW WATERS LATE SUN AND SPREAD
EAST- SOUTHEASTWARD.

$$

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

.GULF OF MEXICO...
     NONE.

.CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN
55W AND 64W...
     NONE.

.SW N ATLANTIC INCLUDING THE BAHAMAS...
     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.HURRICANE WARNINGS.GOV/MARINE

$$

.FORECASTER DGS. NATIONAL HURRICANE CENTER.