000 AGXX40 KNHC 301756 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 200 PM EDT FRI SEP 30 2011 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... COLD FRONT EXTEND FROM 30N92W TO 29N96W MOVE ACROSS GULF TO REACH FROM TAMPA BAY TO TAMPICO SAT THEN SE OF AREA SUN. HIGH PRES BUILD IN WAKE OF FRONT WITH FRESH N-NE BREEZE ACROSS WATERS N OF 25N THROUGH SAT...DIMINISHING LATE SUN. MOSTLY MODERATE NE BREEZE UNDER MON AND TUE AS RIDGE DRIFT E. TROPICAL AND SW N ATLC S OF 31N W OF 55W... HURCN OPHELIA AT 23.5N 62.8W IS 300 NM N-NE OF VIRGIN ISLANDS TRACKS N-NW ALONG 62W SHIFTING MORE N-NE LATE SAT. OPHELIA IS A MAJOR CATEGORY THREE HURRICANE BUT ALL WARNINGS ARE RESTRICTED N OF 20N FROM 58W-65W AT THIS TIME. FRONTAL TROUGH OFF FLORIDA E COAST TODAY DRIFT E. REINFORCING COLD FRONT SWEEP THROUGH FLORIDA TONIGHT AND MERGE WITH REMNANTS OF TROUGH EARLY SAT. COMBINED FRONT/TROUGH EXTEND FROM 31N73W TO CENTRAL BAHAMAS SAT NIGHT...AND STALL FROM BERMUDA TO SE BAHAMAS EARLY SUN THEN DISSIPATE BY TUE. CARIBBEAN SEA... AS OPHELIA CONTINUES MOVING N AND AWAY FROM AREA LEAVING FLAT PRES GRADIENT BEHIND OVER CARIBBEAN SEA. MODERATE TRADES RESUME OVER EASTERN HALF OF BASIN BUT APPROACH OF SECOND TROPICAL CYCLONE...THIS TIME PHILIPPE...FLATTENS GRADIENT AGAIN ALLOWING ONLY LIGHT TO MODERATE BREEZE OVER CARIBBEAN WATERS. ONLY INCREASE OF WIND SPEEDS WILL BE OVER NW ZONE BEHIND DISSIPATING COLD FRONT SUN AND MON...THEN DIMINISH TUE. WARNINGS... GULF OF MEXICO... .NONE. CARIBBEAN SEA... .NONE. TROPICAL N ATLC... .AMZ087...HURCN WRNG N OF 19N BETWEEN 64W-59W. SW N ATLC... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER WALLY BARNES