000 AGXX40 KNHC 091741 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 140 PM EDT SUN SEP 09 2012 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... THE FIRST COLD FRONT OF THE SEASON EXTENDED FROM THE FLORIDA BIG BEND REGION TO NEAR THE SOUTH TEXAS N MEXICO BORDER. LATEST SCATTEROMETER...SHIP...CMAN...AND BUOY DATA DEPICT MODERATE WINDS ACROSS THE WATERS S OF THE COLD FRONT WITH FRESH WINDS N OF THE FRONT. SEAS ARE GENERALLY 3 TO 5 FT N OF THE FRONT AND 1 TO 3 FT S OF THE FRONT. THE COLD FRONT WILL CONTINUE TO SHIFT S AND E REACHING FROM CENTRAL FLORIDA TO 25N94W TO 22N98W MON MORNING. THE W PORTION OF THE FRONT WILL THEN STALL AND DISSIPATE WHILE THE E PORTION WEAKENS AND SINKS SOUTH TO SOUTH FLORIDA THROUGH TUE NIGHT BEFORE DISSIPATING. HIGH PRESSURE WILL BUILD ACROSS THE SE US IN THE WAKE OF THE FRONT. THIS WILL RESULT IN ANTICYCLONIC WIND FLOW ACROSS THE GULF WATERS BY MIDWEEK. SOUTHWEST NORTH ATLC S OF 31N W OF 55W... TROPICAL STORM LESLIE IS NOW CENTERED N OF 31N WITH THE CURRENT FORECAST FOR THE NORTHWARD PROPAGATION SPEED TO INCREASE. THIS WILL BRING THE SYSTEM FURTHER N OF THE AREA RAPIDLY OVER THE NEXT COUPLE OF DAYS. HOWEVER...LONG PERIOD SWELL GENERATED FROM LESLIE WILL CONTINUE TO PROPAGATE AWAY FROM THE SYSTEM AND THROUGH ALL LOCAL WATERS...AND HIT COASTS... REEFS...AND SHOALS OF LOCAL SHORELINES WITH STRONG AND PERSISTENT SURF. MODERATE SURF AND VERY STRONG RIP CURRENTS WILL PERSIST IN THESE SURF ZONES BEFORE ABATING MONDAY. A COLD FRONT WILL MOVE OFF THE SE COAST OF THE UNITED STATES THIS EVENING. LATEST SCATTEROMETER DATA INDICATES FRESH SW WINDS AHEAD OF THE FRONT OVER THE SW PART OF THE AREA. THE COLD FRONT WILL SHIFT EASTWARD REACHING FROM NEAR 31N73W TO CENTRAL FLORIDA MON MORNING...FROM 28N65W TO S FLORIDA TUE MORNING...THEN WILL STALL ACROSS THE S CENTRAL WATERS WED AND THU WITH HIGH PRES BUILDING EASTWARD BEHIND IT. CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W... LONG PERIOD NLY SWELL FROM TROPICAL STORM LESLIE CONTINUES TO AFFECT THE ATLC PASSAGES OF THE NE CARIBBEAN...THOUGH THE SWELL HAS STARTED TO SUBSIDE THIS AFTERNOON. RECENT SCATTEROMETER...SHIP...AND BUOY DATE DEPICT MODERATE TO FRESH TRADEWINDS ACROSS THE CENTRAL CARIBBEAN WITH LIGHT TO MODERATE TRADEWINDS ACROSS THE REMAINDER OF THE FORECAST AREA. SEAS ARE GENERALLY 6 TO 8 FT ACROSS THE CENTRAL CARIBBEAN AND 3 TO 5 FT ELSEWHERE. HIGH PRESSURE WILL BUILD IN THE WAKE OF THE COLD FRONT IN THE SW N ATLC WATERS. THIS WILL MAINTAIN THE MODERATE TO FRESH WINDS ACROSS THE CENTRAL CARIBBEAN WATERS THROUGH AT LEAST MIDWEEK. NOTE...GRIDDED MARINE FORECAST IS AVAILABLE AT WWW.NHC.NOAA.GOV/TAFB/GRIDDED_MARINE GULF OF MEXICO... .NONE. CARIBBEAN SEA AND TROPICAL N ATLC... .NONE. SW N ATLANTIC... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT WWW.HURRICANES.GOV/MARINE $$ FORECASTER AL