000 AGXX40 KNHC 011833 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 135 PM EST THU JAN 01 2009 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 UPPER LEVELS... WEAK RIDGE IS SOUTH OF THE GREATER ANTILLES WITH MODERATE WESTERLIES NORTH OF THE GREATER ANTILLES. THIS PATTERN WILL PERSIST THROUGH SATURDAY. THE RIDGE WILL EXPAND NORTHWARD OVER THE EASTERN HALF OF THE GULF OF MEXICO...FLORIDA AND THE WESTERN PART OF THE ATLANTIC SUNDAY. THE RIDGE WILL FURTHER EXPAND NORTHWARD OVER THE WESTERN ATLANTIC MONDAY. A STRONG SHORTWAVE WILL MOVE OFF THE TEXAS COAST MONDAY NIGHT AND BY TUESDAY A TROUGH WILL BE OVER THE GULF OF MEXICO NORTH OF ABOUT 22N AND THE RIDGE WILL COVER THE CARIBBEAN AND THE ATLANTIC AREA EAST OF 75W. SURFACE... RIDGE WILL MOVE SOUTH TO ALONG 30N IN THE ATLANTIC AREA TONIGHT AND DOMINATE THE FLOW OVER THE AREA THROUGH LATE SUNDAY. ON MONDAY THE STRONG SHORTWAVE MENTIONED ABOVE WILL CONTRIBUTE TO TROUGH DEVELOPMENT OVER THE WESTERN GULF OF MEXICO. ASSOCIATED COLD FRONT WILL DEVELOP WITHIN THE TROUGH AND MOVE ACROSS THE GULF TO NORTH FLORIDA TO YUCATAN PENINSULA BY LATE TUESDAY. MOST OF THE DEVELOPMENT IS THE TROUGH WITH NOT MUCH OF A HIGH PRESSURE BEHIND THE FRONT SO IT DOES NOT LOOK LIKE THE TYPICAL FRONT. AT THIS TIME THE GFS MODEL DEVELOPS GALE FORCE WINDS AHEAD OF THE TROUGH BUT THE PATTERN LOOKS SOMEWHAT CELLULAR...SO I LOOK AT IT AS NOT WELL REPRESENTED YET AND WILL KEEP WINDS WELL UNDER GALE FORCE. TRADES WILL CONTINUE NEAR NORMAL THROUGH THE PERIOD. ATLANTIC... NONE. CARIBBEAN... NONE GULF OF MEXICO... NONE. FORECASTER LL. TROPICAL PREDICTION CENTER.