000 AGXX40 KNHC 241730 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1245 PM EST WED NOV 24 2010 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND TROPICAL N ATLC...AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... HIGH PRES CENTER OVER EXTREME NE GULF SHIFTS E LATER TODAY AS SLY RETURN FLOW SPREADS E AND ACROSS ALL GULF WATERS TONIGHT. A COLD FRONT MOVES OFF TX COAST AROUND SUNSET THU AND REACHES FROM FL BIG BEND TO E BAY OF CAMPECHE SUNSET FRI. N WINDS BEHIND FRONT WILL INCREASE TO MINIMAL GALE BRIEFLY FRI AFTERNOON OVER W CENTRAL WATERS. FRONT BEGINS TO SLOW AS IT REACHES FROM SW FL TO YUCATAN PENINSULA FRI NIGHT INTO SAT. FRONT SEEMS TO WASH OUT OVER SE GULF IN MOST GUIDANCE...BUT EXPECT SOME REMNANTS TO MEANDER OVER BAY OF CAMPECHE THROUGH MOST OF SUN. SLY RETURN FLOW SETS UP AGAIN SUN NIGHT AND MON IN ADVANCE OF NEXT FRONT ALONG TX COAST AROUND SUNSET MON ACCOMPANIED BY N WINDS MAXING AT 30 KT. CARIBBEAN SEA AND TROPICAL N ATLC... TIGHT PRES GRADIENT WILL MAINTAIN NE TRADES OVER AREA E OF 83W THROUGH PERIOD WITH SLIGHT WEAKENING OF TRADES EXPECTED SAT AS ATLC RIDGE SHIFTS E ALLOWING A WEAKENING COLD FRONT TO MOVE S INTO ATLC WATERS N OF THE VIRGIN ISLANDS. GRADIENT WILL RE-STRENGTHEN SUN NIGHT AND MON AS REMNANTS OF FRONT WASHES OUT. HOWEVER....LARGE N SWELLS BEHIND FRONT WILL DRIVE SEAS HEIGHTS UP TO 15 FT WITH SEAS TO 13 FT SPREADING INTO EXPOSED NE CARIBBEAN PASSAGES SAT. EXPECT THESE SUBSIDING N SWELLS TO REACH COAST OF S AMERICA SUN AFTERNOON WITH SEAS HEIGHTS IN THE 7-10 FT RANGE THROUGHOUT THE WATERS E OF THE EASTERN CARIBBEAN ISLANDS. SW N ATLC... A COLD FRONT WILL MOVE S INTO THE NORTHERN WATERS THIS AFTERNOON STALLING FROM 22N65W TO 31N75W LATE THU NIGHT. MINIMAL GALE CONDITIONS ARE FORECAST IN THE NW FLOW BEHIND FRONT OVER WATERS N OF 29N...BUT E OF 55W THU. THE W PORTION OF THE FRONTAL REMNANTS WILL MOVE NE AS A WEAK WARM FRONT FRI IN THE INCREASING SLY FLOW OVER THE WATERS W OF 70W. A SECOND COLD FRONT WILL MOVE INTO THE NW PORTION AROUND SUNSET FRI REACHING FROM BERMUDA TO S FL LATE SAT. REMNANTS OF THIS FRONT WILL EXTEND E TO W ALONG 26N SUN...AND ARE EXPECTED TO MOVE NE SUN NIGHT AND MON AS SLY FLOW INCREASES AGAIN IN ADVANCE OF THIRD COLD FRONT MOVING TO GA COAST LATE TUE. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .GMZ082...GALE CONDITIONS EXPECTED FRI S OF 25N W OF 95W... FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER NELSON