000 AGXX40 KNHC 121854 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 154 PM EST FRI DEC 12 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 MWW3 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 SAT NIGHT BEFORE SHIFTING EASTWARD SUN AND MON. SOUTHERLY RETURN FLOW WILL INCREASE OVER THE WESTERN GULF SAT NIGHT AHEAD OF THE NEXT COLD FRONT THAT WILL ENTER THE NW WATERS MON EVENING...AND WEAKEN AS IT REACHES FROM THE FLORIDA BIG BEND REGION TO EXTREME S TEXAS BY TUE EVENING. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL FORECAST. USED MWW3 FOR WAVE HEIGHTS. HIGH CONFIDENCE. A MIX OF LARGE NE AND N SWELLS WITH LARGE SEAS WILL GRADUALLY SUBSIDE THROUGH SAT EVENING. FRESH TO OCCASIONALLY STRONG DIURNALLY DRIVEN WINDS ARE EXPECTED ALONG THE COAST OF COLOMBIA TONIGHT THROUGH SAT THEN DECREASE. ...SW N ATLANTIC S OF 31N W OF 55W INCLUDING THE BAHAMAS... MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL FORECAST. USED MWW3 FOR WAVE HEIGHTS. HIGH CONFIDENCE. SURFACE TROUGH FROM 24N65W TO NE CUBA WILL GRADUALLY DISSIPATE LATER TODAY. LARGE NE SWELLS OVER THE SE PORTION WILL SLOWLY SUBSIDE THROUGH TONIGHT. A COLD FRONT WILL MOVE ACROSS THE NW PORTION TODAY AND EXTEND FROM NEAR BERMUDA TO WEST PALM BEACH BY THIS EVENING AND FROM 28N65W TO NW CUBA SAT...THEN WEAKEN AS IT SLOWLY MOVES ACROSS THE SE PORTION SUN THROUGH MON AND STALL JUST SE OF AREA ON TUE. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... NONE. .SW N ATLANTIC INCLUDING THE BAHAMAS... NONE. $$ *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.