000 AGXX40 KNHC 190750 CCA MIMATS MARINE WEATHER DISCUSSION...CORRECTED NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 230 AM EST FRI DEC 19 2008 ...CORRECTED FOR FRONT IN THE GULF/CARIBBEAN... ...CORRECTED FOR DATE/TIME OF ISSUANCE... MARINE WEATHER DISCUSSION FOR GULF OF MEXICO... CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. RADIOFAX SCHEDULE FOR GRAPHICAL WIND WAVE...SURFACE FORECAST AND PEAK WAVE PERIOD CHARTS HAS CHANGED. FOR THE ATLANTIC BASIN THIS INCLUDES 24...36...48 AND 72 HOUR WIND WAVE..24...48..72 HOUR SURFACE FORECAST AND 48 AND 72 HOUR PEAK WAVE PERIOD CHARTS. FOR ADDITIONAL INFORMATION PLEASE REFER TO THE FAX SCHEDULE ON THE NHC WEB SITE AT HTTP://WWW.NHC.NOAA.GOV/RADIOFAX.SHTML LARGEST FORECAST CHALLENGE OF THE PERIOD LIES IN THE GULF OF MEXICO BEHIND THE COLD FRONT ON SUN. LOW RES GFS BRINGS WINDS TO 30 KT...BUT WITH THE HIGHER RES VERSION KICKING THE WINDS INTO GALE FORCE ALONG WITH THE 20 KM NAM...THE FORECAST WILL NOW INTRODUCE POSSIBLE GALES AROUND SUN EVENING...JUST OUTSIDE THE WARNING PERIOD. CONFIDENCE IS STILL SOMEWHAT LOW AS THE ECMWF AND UKMET HOLD WINDS AT 30 KT. ELSEWHERE...THE MODELS DISAGREE ON THE EVOLUTION OF THE COLD FRONT AND PRE-FRONTAL TROUGH OVER WATERS N OF 25N E OF 60W BY EARLY SAT MORNING. THE NORTHERN STREAM TROUGH SUPPORTING THIS COLD FRONT SHOULD PULL NORTH EARLY SAT. HOWEVER...THE GFS AND UKMET DEVELOP A DISTINCT SURFACE LOW BY SAT AFTERNOON ASSOCIATED WITH THE LINGERING LOW LEVEL BOUNDARY WHILE THE ECMWF AND NOGAPS ARE NOT AS AGGRESSIVE. WITH THE TROUGH EXPECTED TO LIFT OUT RAPIDLY AS THE FLOW TURNS MORE ZONAL ACROSS THE EASTERN U.S. AND NORTHERN AND CENTRAL ATLC...BELIEVE THE WEAKER SOLUTIONS HAVE AN EDGE. IN THE CARIBBEAN...WINDS AND SEAS ARE EXPECTED TO SUBSIDE THROUGH SUN. CONDITIONS ARE EXPECTED TO REMAIN BELOW 20 KT OR 8 FT THROUGH MON OVER MUCH OF THE CARIBBEAN. THE COLD FRONT EXPECTED TO YIELD GALES IN THE GULF LATE SUN SHOULD MAKE ITS WAY TOWARD THE YUCATAN CHANNEL ON MON AND THE ASSOCIATED INCREASE IN THE PRESSURE GRADIENT SHOULD ELEVATE WINDS AND SEAS OVER MUCH OF THE CARIBBEAN ON TUE. ATLANTIC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER SCHAUER CLARK. TROPICAL PREDICTION CENTER.