000 AGXX40 KNHC 290653 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 150 AM EST MON DEC 29 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... CURRENT COLD FRONT LOSING ITS EASTWARD PUSH ALONG LINE FROM NW FL TO 25N94W TO W BAY OF CAMPECHE WITH EVIDENCE OF A FRONTAL WAVE AT 25N94W. THIS FRONT WILL CONTINUE TO WEAKEN BUT SOME REMNANTS STILL EXPECTED TO MOVE INTO THE STRAITS OF FL TUE AS HIGH PRES MOVES INTO NE GULF WATERS AND BRIDGES ACROSS THE FRONTAL BOUNDARY AND S FL INTO THE NW BAHAMAS. N TO NE WINDS NW OF FRONT CURRENTLY AT 20-25 KT BUT SHOULD DIMINISH TO 15-20 KT LATE TODAY EXCEPT OVER SW CARIBBEAN ALONG COAST OF MEXICO WHERE 20-25 KT SHOULD PERSIST TILL LATE TONIGHT. THE WEAK HIGH PRES SHIFTS S TUE NIGHT WITH E-W RIDGE ALONG 24-25N ALLOWING THE NEXT COLD FRONT TO MOVE S OVER THE NORTHERN WATERS TUE NIGHT. MODELS NOW MORE AGGRESSIVE WITH THIS NEXT FRONT AND SUGGEST A RAPID WIND SHIFT FROM NW TO NE AND INCREASE TO 20 KT...BUT THE FRONT STILL SEEMS TO ABRUPTLY STALL ALONG 25N LATE WED NIGHT THEN LIFT N THU AND FRI. ATLC... A RIDGE FROM BERMUDA TO CENTRAL FL ATTM IS EXPECTED TO RETRACT E TODAY ALLOWING A COLD FRONT TO MOVE OFF THE NE FL COAST THIS AFTERNOON REACHING THE EXTREME NW BAHAMAS AT SUNRISE TUE. THE FRONTAL SEGMENT OVER AND W OF THE BAHAMAS WILL QUICKLY LOSE IDENTITY WHILE THE FRONTAL SEGMENT E OF THE BAHAMAS GETS A RE-INFORCING N SURGE AND PUSHES THE FRONT E PASSING TO N OF THE N-CENTRAL CARIBBEAN ISLANDS STALLING ALONG 25N BETWEEN 65W AND 55W WED AND DISSIPATING WED NIGHT AND THU. WEAK HIGH PRES BUILDS W OF FRONT ALONG 28-29N...BUT SHIFTS RAPIDLY E TO NEAR BERMUDA WED AFTERNOON. BY THEN...A SECOND COLD FRONT MOVES INTO THE NW ATLC WATERS AND RACES E TO BERMUDA THU AFTERNOON BUT THE SOUTHERN SEGMENT OF THE SEEMS TO STALL ALONG 25-26N ACROSS FL INTO THU NIGHT AND LIFT N TO NE FRI. CARIBBEAN AND TROPICAL ATLC WATERS... AREA E OF 83W UNDER NE LOW LEVEL FLOW AT 20-25 KT EXCEPT 25-30 KT NEAR N COAST OF COLOMBIA. GRADIENT WILL RELAX SOME TONIGHT. A VERY WEAK COLD FRONT WILL MOVES INTO EXTREME NW CARIBBEAN BUT BUT PROBABLY WILL LITTLE EVIDENCE AS NE WINDS ARE ALREADY AT 15 KT IN YUCATAN CHANNEL. THIS FRONT MAY ONLY IMPACT TROPICAL ATLC ZONE N OF 21N TUE NIGHT AND WED. EXPECT NE TO E WINDS AT 10-15 KT N OF 15N AND NE 15-20 KT S OF 15N THROUGH REMAINDER OF PERIOD. ATLANTIC... NONE. CARIBBEAN... NONE GULF OF MEXICO... NONE. FORECASTER NELSON. TROPICAL PREDICTION CENTER.