000 AGXX40 KNHC 141638 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1240 PM EDT SUN SEP 14 2008 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO... CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... IKE IS NOW EXTRATROPICAL OVER THE MIDWEST WITH ITS ASSOCIATED COLD FRONT EXTENDING ACROSS SE TEXAS. SE TO S 15-20 KT WINDS ARE OVER THE GULF WATERS N OF 22N W OF 88W AND SEAS ARE 5-8 FT. WINDS/SEAS WILL DIMINISH LATER TODAY AS EXTRATROPICAL IKE RACES NE. THE COLD FRONT IS EXPECTED TO MOVE OFF THE TEXAS COAST IN A FEW HOURS WITH N TO NE WINDS INCREASING TO 20-25 KT BEHIND THE BOUNDARY TONIGHT OVER THE NW WATERS...DUE TO HIGH PRES BUILDING E OVER THE CENTRAL CONUS TIGHTENING THE PRES GRADIENT. THE FRONT IS THEN EXPECTED TO SURGE S INTO THE BAY OF CAMPECHE MON NIGHT AND TUE WITH WINDS BEGINNING TO DIMINISH FROM N TO S. THE STRONGEST WINDS/SEAS (25 KT AND 9 FT) ARE EXPECTED OVER THE W BAY OF CAMPECHE WHERE THE GREATEST FUNNELING EXISTS. THE FRONT SHOULD THEN STALL AND WEAKEN FROM THE FL PANHANDLE TO THE BAY OF CAMPECHE TUE AND WED...AND A WEAK REMNANT TROUGH IS EXPECTED TO PUSH W ACROSS THE N WATERS THU AND FRI. CARIBBEAN AND TROPICAL ATLC... MORNING SCATTEROMETER AND SFC DATA SUPPORT ELY TRADES AROUND 20 KT OVER THE S CENTRAL WATERS...15-20 KT IN THE GULF OF HONDURAS ...AND FAIRLY LIGHT E TO SE WINDS ELSEWHERE. A TROPICAL WAVE ALONG 79W AND A SLIGHT DIFFLUENT UPPER PATTERN IS PRODUCING A SIGNIFICANT AREA OF CONVECTION OVER THE SW CARIBBEAN WATERS. ANOTHER TROPICAL WAVE IS LOCATED ALONG 68W AND A STRONGER BETTER DEFINED ONE IS E OF THE ZONE APPROACHING 50W. THESE FEATURES ARE PUSHING W ABOUT 15 KT. THE EASTERN WAVE IS EXPECTED TO WEAKEN AS IT ENTERS THE TROP N ATLC ZONE...SO ONLY ADVERTISING A NE/SE WIND SHIFT AND SCATTERED TSTM ACTIVITY MON AND TUE. OTHERWISE...LITTLE CHANGE IS FORECAST OVER MUCH OF THE REMAINDER OF THE AREA. A FEW OF THE GLOBAL MODELS ARE SHOWING WEAK LOW PRES DEVELOPMENT OVER THE SW CARIBBEAN BY MID-WEEK. FOR NOW...THERE IS NO MENTION OF THIS IN THE TEXT PRODUCTS AS MOST MODELS FORECAST LITTLE EFFECTS ON WINDS AND SEAS. SW N ATLC... VISIBLE SATELLITE IMAGERY SHOWS THE LOW-LEVEL TROUGH THAT WE HAVE BEEN TRACKING HAS SPLIT WITH THE S PORTION DRIFTING W OVER THE W BAHAMAS AND THE N PORTION GETTING ABSORBED BY AN APPROACHING FRONT JUST N/NE OF THE ZONE. REGARDLESS...TOOK ALL MENTION OUT OF HIGH SEAS AS WIND/SEAS ARE BELOW THRESHOLD. THE COLD FRONT IS EXPECTED TO BRUSH THE NE WATERS LATER TODAY WITH 10-15 KT NW FLOW EXPECTED BEHIND IT. STRONGER SW FLOW IS MATERIALIZING E OF THE FRONT...BUT THIS SHOULD BE WELL E OF THE AREA. OTHERWISE...LIGHT AND VARIABLE WINDS WILL BE THE RULE N OF 25N THROUGH MID-WEEK AND 10-15 KT NE/E FLOW S OF 25N DUE TO A MEANDERING WEAK HIGH PRES CENTER. WARNINGS... ATLANTIC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER CANGIALOSI. TROPICAL PREDICTION CENTER.