000
AGXX40 KNHC 131857
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
157 PM EST SAT DEC 13 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. USED BLEND OF MWW3 WITH PREVIOUS OFFICIAL FOR FOR WAVE
HEIGHTS. HIGH CONFIDENCE.

STRONG HIGH PRES EXTENDING FROM THE MISSISSIPPI VALLEY SOUTHWARD
OVER THE CENTRAL GULF OF MEXICO WILL DOMINATE THE AREA THROUGH
TONIGHT BEFORE SHIFTING EASTWARD SUN AND MON. SOUTHERLY RETURN
FLOW WILL INCREASE OVER THE WESTERN GULF SAT TONIGHT INTO SUN
AHEAD OF THE NEXT COLD FRONT THAT WILL MOVE OVER THE FAR NW
PORTION EARLY MON EVENING. THE FRONT WILL WEAKEN AS IT REACHES
FROM THE FLORIDA BIG BEND REGION TO NEAR 26N89W AND STATIONARY TO
FAR SOUTHERN TEXAS TUE...AND FROM W CENTRAL FLORIDA TO 26N89W AND
STATIONARY TO 26N91W THEN WARM FRONT TO S TEXAS WED. WEAK HIGH
PRES WILL BUILDS EASTWARD N OF THE FRONT.

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

MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL 
FORECAST. USED BLEND OF MWW3 WITH PREVIOUS OFFICIAL FOR FOR WAVE
HEIGHTS. HIGH CONFIDENCE.

FRESH TO OCCASIONALLY STRONG WINDS ARE EXPECTED ALONG THE COAST
OF COLOMBIA TODAY...AND W OF ABOUT 82W S OF 15N THROUGH MON. NE
SWELLS WILL CONTINUE TO AFFECT THE TROPICAL N ATLANTIC WATERS AND
THE EASTERN CARIBBEAN THROUGH SUN. OTHERWISE MOSTLY LIGHT WINDS
ACROSS THE AREA THROUGH THE FORECAST PERIOD.

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

MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL 
FORECAST. USED A BLEND OF MWW3 WITH PREVIOUS OFFICIAL FORECAST.
HIGH CONFIDENCE.

A COLD FRONT EXTENDS FROM 29N65W TO S FLORIDA WILL
WEAKEN FROM NEAR 28N65W TO CENTRAL CUBA LATERE TODAY...AND OVER
THE SE PORTION TONIGHT THROUGH SUN NIGHT BEFORE MOVING E OF THE
AREA LATE SUN NIGHT. HIGH PRES BUILDING EASTWARD ACROSS THE AREA
IN THE WAKE OF THE FRONT WILL SHIFT TO S OF 26N WED AS ANOTHER
WEAK COLD FRONT THAT ENTERS THE NW PORTION LATE TUE NIGHT AND
EXTENDS FROM NEAR 31N74W TO E CENTRAL FLORIDA BY WED NIGHT.

$$

.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.