000 AGXX40 KNHC 140752 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 400 AM EDT SAT APR 14 2012 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... SURFACE HIGH PRES CENTER 1025 MB OFF SOUTH CAROLINA COAST EXTEND RIDGE SW ACROSS GULF WATERS PRODUCING STEADY FRESH SE WINDS W OF 90W AND MODERATE NE TO E BREEZE E OF 90W. DEEPENING LOW PRES MOVING ACROSS CENTRAL PLAINS TIGHTENS PRES GRADIENT WITH RIDGE INCREASING SE RETURN FLOW TO STRONG BREEZE W OF 92W TODAY THROUGH LATE SUN. CONDITIONS SPREAD E OF 90W INCLUDING STRAITS OF FLORIDA SUN NIGHT AND EARLY MON THEN DIMINISH LATE MON AS HIGH PRES SHIFT BACK W BUT WEAKENS. COLD FRONT ENTERS W PORTION OF GULF LATE MON...STALL ALONG 96W TUE AND MOVE BACK INLAND LATE TUE. CARIBBEAN SEA... HEALTHY ATLC HIGH PRES CENTER 1025 MB DRIFT SE BEHIND COLD FRONT FORCING FRESH NE BREEZE AND LONG FETCH NE SWELLS INTO CARIBBEAN SEA MAINLY ACROSS GAPS IN ANEGADA...MONA AND WINDWARD PASSAGES TODAY THROUGH LATE MON. CONDITIONS SPREAD TO S HALF OF BASIN THROUGH WED. WINDS COULD GET AS HIGH AS NEAR GALE FORCE AND SEAS BUILD AS HIGH A 12 FT S OF HISPANIOLA. TROPICAL NORTH ATLANTIC S OF 19N W OF 55W... WEAK DYING FRONT STALLS ACROSS PORTION OF ZONE AND DISSIPATES BY SUN. HIGH PRES BEHIND FRONT BRINGS STRONG LONG-FETCHED WINDS INTO ZONE N OF 17N WITH SEAS UP TO 11 FT. DECAYED SWELLS EVENTUALLY SPREAD S OF 15N THROUGH WED. SW NORTH ATLANTIC S OF 31N W OF 55W... COLD FRONT EXTENDING FROM 29N55W TO 20N65W TO 18N70W REACH FROM 21N55W TO 19N56W EARLY SUN THEN WEAKEN AND MOVE E OF 55W LATE SUN. HEALTHY HIGH PRES CENTER 1027 MB JUST N OF AREA BRING STRONG NE TO E FLOW ACROSS ENTIRE BASIN WITH LONG FETCH SEAS BUILDING TO 10 FT. HIGH PRES DRIFT S FORCING STRONG WINDS INTO CARIBBEAN SEAS...BUT DIMINISHING WINDS N OF 25N TO A LIGHT BREEZE. LINGERING DECAYING SWELLS SPREAD S THROUGH WED. NOTE... EFFECTIVE APR 3, 2012 AT 1800 UTC THE OFFSHORE WATERS FORECAST ZONES CHANGED FOR THE CARIBBEAN AND SW N ATLANTIC AND THE GULF OF MEXICO. ISSUANCE TIME FOR THE GULF OF MEXICO OFFSHORE WATERS FORECASTS IS REFERENCED TO THE EASTERN TIME ZONE. FOR DETAILS SEE WWW.NHC.NOAA.GOV/ABOUTTAFBPROD.SHTML#OWF GRIDDED MARINE OUTPUT IS AVAILABLE AT WWW.NHC.NOAA.GOV/TAFB/GRIDDED_MARINE (LOWER CASE). GULF OF MEXICO... .NONE. .CARIBBEAN SEA AND TROPICAL N ATLC... .NONE. .SW N ATLC... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER WALLY BARNES