000 AGXX40 KNHC 080649 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 245 AM EDT WED OCT 08 2008 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO... CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... MINUSCULE MARCO MOVED INLAND ABOUT 70 NM SOUTH-SOUTHEAST OF TUXPAN EARLIER TUE AND HAS ESSENTIALLY DISSIPATED. COLD FRONT HAS MOVED OFF THE TEXAS COAST NEAR 00 UTC AND NOW EXTENDS FROM LAFAYETTE LOUISIANA TO JUST S OF BROWNSVILLE TEXAS. NLY WINDS HAVE PICKED UP TO 20 KT AT BUOYS 42019 AND 42020. WINDS MAY BRIEFLY REACH 25 KT BEHIND THE FRONT LATER TODAY IN WELL MIXED BOUNDARY LAYER AND IN FAVORED FUNNELING REGIME ALONG THE COAST OF MEXICO. FRONT MOVES EWD AND EXTENDS FROM WRN FL PANHANDLE TO WRN BAY OF CAMPECHE BY THIS EVENING. FRONT LOSES UPPER LEVEL SUPPORT AND STALLS FROM FL BIG BEND TO WRN BAY OF CAMPECHE LATE THU. LIGHT NE TO E WINDS PREVAIL OVER MOST OF THE GULF FRI AND SAT AS THE FRONT DISSIPATES. BY SUN ANOTHER SPRAWLING AREA OF HIGH PRESS ALONG THE E COAST OF THE US TIGHTENS THE GRADIENT OVER THE ATLC AND GULF AND ALLOWS E WINDS TO INCREASE TO 20 KT E OF 90W...AND 15 KT ELSEWHERE. SW N ATLC... FAST MOVING COLD FRONT HAS SWEPT INTO THE AREA AND EXTENDS FROM 27N65W TO THE EXTREME NRN BAHAMAS WITH NE WINDS OF 20-25 KT NOTED AT THE BUOYS AND SEAS OF 8-9 FT REPORTED. SEAS ARE A TAD HIGHER THAN FCST BY THE NWW3. FRONT SLIPS FURTHER S E OF 70W AND EXTENDS FROM 25N65W TO 31N80W BY THIS EVENING WITH SE RETURN FLOW SETTING UP OVER THE FAR NW PORTION BY TONIGHT. THE WEAKENING COLD FRONT FROM THE GULF BARELY MOVES OFF THE GA COAST THU NIGHT THEN STALLS FROM 31N77W TO 28N81W BY LATE FRI. ATLC RIDGE INITIALLY SUPPORTS FRESH E WINDS OVER AREAS E OF 70W SAT. HOWEVER AS ANOTHER SPRAWLING AREA OF HIGH PRESS ALONG THE E COAST OF THE US TIGHTENS THE GRADIENT OVER THE ATLC NE TO E WINDS OF 20 KT SPREAD OVER ALL AREAS N OF 23N SUN. ACCORDINGLY THE NWW3 BUILDS SEAS TO 8-10 FT BY LATE SUN. CARIBBEAN AND TROPICAL N ATLC... TROPICAL WAVE S OF 20N ALONG 81W MOVING W NEAR 15 KT PAST 24 HOURS. ANOTHER WAVE LOCATED S OF 19N ALONG 72W HAS ALSO MOVED W AT 15 KT. TROPICAL WAVE POSITIONS MENTIONED IN TEXT AND DENOTED ON GRAPHICS BUT ONLY EXPECT A 10-15 KT WIND SHIFT WITH PASSAGES OF WAVES....HOWEVER WAVES ARE ACCOMPANIED BY CONVECTION. A PRE-FRONTAL TROUGH WILL MOVE INTO N PORTION OF TROPICAL ATLC ZONE TONIGHT AND SLOWLY WEAKEN THROUGH FRI. WARNINGS... ATLANTIC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER COBB. TROPICAL PREDICTION CENTER.