000 AGXX40 KNHC 270641 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 145 AM EST SAT DEC 27 2008 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 GULF OF MEXICO... SLY RETURN FLOW MAX AT 25 KT OVER THE NW WATERS THIS MORNING THEN GRADIENT RELAXES TO 15-20 KT THROUGHOUT ALL WATERS WITH FRONT EXPECTED TO MOVE OFF TX COAST AT SUNSET TONIGHT...REACHING FROM NW FL PANHANDLE TO 25N96W TO W BAY OF CAMPECHE LINE MIDDAY SUN. WINDS N AND W OF FRONT IN 20-30 KT RANGE WITH GUIDANCE BACKING OFF ON POSSIBILITY OF GALE WINDS. FRONT CONTINUES E TO PSN FROM FL BIG BEND TO CENTRAL BAY OF CAMPECHE MIDDAY MON. MODELS BEGIN TO DIFFER ON FRONTAL POSITIONS MON NIGHT INTO TUE BUT EXPECT A MOSTLY DRY FRONT TO PUSH INTO STRAITS OF FL AND YUCATAN CHANNEL MON NIGHT. BY THEN WINDS ALREADY BECOMING SE OVER THE W GULF WATERS AS HIGH PRES IN WAKE OF FRONT SHIFTS ESE INTO EXTREME NE GULF TUE NIGHT. THE NEXT WEAK COLD FRONT MOVES E TO TX COASTAL PLAINS TUE NIGHT THEN IT SEEMS THIS FRONT WILL STALL OVER THE N GULF ALONG 28N LATE WED NIGHT WITH ELY WINDS AT 10 KT S OF FRONT AND NE 15-20 KT N OF FRONT. ATLC... A COLD FRONT FROM 31N45W TO 27N70W WILL PASS SE OF DISCUSSION AREA TONIGHT AS RIDGE BUILDS SW OVER THE NORTHERN WATERS TO NE FL. RIDGE SHIFTS E TO PSN FROM BERMUDA TO CENTRAL FL SUN NIGHT AND ACROSS CENTRAL BAHAMAS MON NIGHT. NEXT COLD FRONT MOVES INTO NW ATLC WATERS MON AFTERNOON AND INTO NW BAHAMAS AND FL STRAITS LATE MON NIGHT. FRONT WILL REACH FROM BERMUDA TO SE BAHAMAS TO E CUBA EARLY TUE AND PASS E OF 65W WED BUT A SW-NW WIND SHIFT WILL ACCOMPANY FRONT OVER WATERS N OF 28N TUE AND WED. GRADIENT BACKS OFF CONSIDERABLY MID WEEK WITH MOSTLY 5-10 KT OVER ATLC WATERS W OF 55W. CARIBBEAN AND TROPICAL ATLC WATERS... MINIMAL GALE WARNING SW CARIBBEAN EXPECTED TO DIMINISH BELOW GALE EARLY TONIGHT AND DIMINISH TO 20-25 KT SUN THROUGH TUE THEN 20 KT WED. NE 15-20 KT ELSEWHERE THROUGH MON NIGHT AS A WEAK COLD FRONT MOVES INTO NW CARIBBEAN ACCOMPANIED BY A BRIEF SURGE IN NE WINDS 15-20 KT. N SWELLS WILL DRIVE SEAS TO 12 FT INTO NE CARIBBEAN PASSAGES LATE TODAY. TRADES AT 10-15 KT ALL WATERS N OF 15N WED AND 15-20 KT S OF 15N. ATLANTIC... NONE. CARIBBEAN... GALE WARNING FROM 11N TO 15N BETWEEN 75W AND 79W...AMZ084 GULF OF MEXICO... NONE. FORECASTER NELSON. TROPICAL PREDICTION CENTER.