000 AGXX40 KNHC 081733 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 145 PM 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... COLD FRONT FROM FL PANHANDLE TO NW BAY OF CAMPECHE WILL MOVE TO PSN FROM TAMPA BAY TO CENTRAL BAY OF CAMPECHE SUNSET THU...WITH BOUNDARY WASHING OUT E OF 90W THU NIGHT INTO FRI. THE FRONT SEGMENT W OF 90W ORIENTATES ITSELF N TO S ALONG 93W IN BAY OF CAMPECHE THU...THEN MEANDERS THROUGH THE WEEKEND WITH A NE-SE WIND SHIFT ALONG ITS AXIS...AND ALSO ACCOMPANIED BY ISOL TS. HIGH PRES N OF AREA WILL MAINTAIN MODERATE NE-E WINDS THRU SAT THEN GRADIENT TIGHTENS SUPPORTING FRESH...15-20 KT...ELY WINDS ACROSS ENTIRE AREA SUN THROUGH MON NIGHT. LATEST GUIDANCE HAS BACKED OFF ON NEXT SHORTWAVE THROUGH PERIOD. SW N ATLC... A COLD FRONT FROM 27N55W TO 25N70W TO 27N80W SEEMS TO BE STALLING W OF 70W...AS FORECAST. NE WINDS OF 20-25 KT N OF FRONT WITH SEAS 6-9 FT OVER WATERS W OF 70W...AND 8 TO 11 FT OVER WATERS E OF 70W. SE RETURN FLOW EXPECTED TO SET UP OVER THE FAR NW PORTION LATE THIS AFTERNOON AND EARLY TONIGHT IN ADVANCE OF A WEAKENING FRONT...NOW OVER THE N CENTRAL GULF OF MEXICO...TO SLIP E INTO THE NW WATERS THU NIGHT. GUIDANCE FLUCTUATING ON THE STRENGTH AND TIMING OF THIS FRONT...BUT BASICALLY ITS EXPECTED TO STALL OVER THE NW WATERS FRI AND THEN DRIFT BACK W TO FL COAST SAT NIGHT. HIGH PRES N AREA OF AREA TIGHTENS THE GRADIENT OVER THE ATLC WITH NE TO E WINDS OF 15-20 KT SPREADING SW OVER ALL AREA N OF 23N SUN. ACCORDINGLY THE NWW3 BUILDS SEAS TO 8-10 FT BY LATE SUN. CARIBBEAN AND TROPICAL N ATLC... A TROPICAL WAVE ALONG 85W SHOULD MOVE THROUGH GULF OF HONDURAS TONIGHT REMAINING IN PHASE WITH THE DIFFLUENT SEMICIRCLE OF AN UPPER LOW WHICH HAS BEEN FLARING CONVECTION OVER CARIBBEAN W OF 81W. ANOTHER WAVE LOCATED S OF 19N ALONG 75W ONLY HAS A 10-15 KT WIND SHIFT ALONG ITS AXIS BUT CONSIDERABLE CONVECTION S OF 15N E OF THE WAVE. ANOTHER WAVE WILL MOVE THROUGH WATERS E OF THE WINDWARDS TONIGHT AND THROUGH THE E CARIBBEAN THU THROUGH SAT REACHING TO ALONG 85W MON. A FRONT N OF AREA WILL MOVE INTO N PORTION OF TROPICAL ATLC ZONE EARLY THU AND SLOWLY WEAKEN THROUGH FRI. WARNINGS... ATLANTIC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER NELSON. TROPICAL PREDICTION CENTER.