000 AGXX40 KNHC 200709 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 310 AM EDT SAT APR 20 2013 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W...AND THE SW N ATLANTIC INCLUDING THE BAHAMAS. GULF OF MEXICO... COLD FRONT EXTENDS FROM CENTRAL FLORIDA TO THE E BAY OF CAMPECHE. ASCAT PASS FROM 0356 UTC INDICATE WINDS CONTINUE TO DIMINISH WEST OF THE COLD FRONT...AND WINDS HAVE DIMINISHED BELOW GALE FORCE OVER THE SW GULF WATERS. BUOY 42055 REPORTED 17 FT SEAS OVER THE SOUTHWESTERN GULF WATERS LATE FRI NIGHT...WHICH HAVE SUBSIDED TO 14 FT EARLY THIS MORNING. FRESH TO STRONG WINDS CONTINUE WEST OF THE FRONT...WITH LIGHT TO GENTLE WINDS E OF THE FRONT. THE COLD FRONT IS EXPECTED TO STALL FROM SW FLORIDA TO THE YUCATAN PENINSULA TODAY WHERE IT WILL WEAKEN AND DISSIPATE THROUGH SUN. WINDS AND SEAS WEST OF THE FRONT WILL CONTINUE TO DECREASE OVER THE GULF WATERS TODAY...AND WILL FALL BELOW ADVISORY CRITERIA THIS EVENING. HIGH PRESSURE RIDGE WILL BUILD N OF THE AREA SUN NIGHT. SE RETURN FLOW WILL SETTLE ACROSS THE WESTERN GULF WATERS MON AND TUE AHEAD OF THE NEXT COLD FRONT EXPECTED TO MOVE OFF THE TEXAS COAST ON WED. CARIBBEAN SEA AND TROPICAL N ATLC S OF 22N W OF 55W... WEAKENING SURFACE RIDGE PREVAILS N OF THE AREA SUPPORTING FRESH TO STRONG TRADES OVER THE CENTRAL CARIBBEAN WATERS AND THE NORTHERN HALF OF THE TROPICAL N ATLC WATERS. MODERATE TO FRESH TRADES PREVAIL OVER THE REMAINDER OF THE FORECAST AREA. SEAS TO 9 FT REMAIN ACROSS THE CENTRAL CARIBBEAN AND THE N HALF OF THE TROPICAL N ATLC WATERS WITH 5-7 FT SEAS REMAIN ACROSS MUCH OF THE REMAINDER OF THE FORECAST AREA. THE SURFACE RIDGE WILL CONTINUE TO FURTHER WEAKEN OVER THE NEXT COUPLE OF DAYS. THIS WILL DECREASE WINDS AND SEAS BELOW ADVISORY CRITERIA OVER THE FORECAST AREA BY SUN NIGHT. WINDS AND SEAS WILL REMAIN BELOW ADVISORY CRITERIA THROUGH WED AS THE RIDGE IS NOT EXPECTED TO BUILD STRONGER N OF THE AREA THROUGH THAT TIME. SW N ATLC S OF 31N W OF 55W... RETREATING SURFACE RIDGE EXTENDS NE TO SW ACROSS THE FORECAST AREA AS A COLD FRONT HAS JUST ENTERED THE NW PART OF THE FORECAST AREA. LATEST OBSERVATIONS INDICATE FRESH TO STRONG WINDS REMAIN S OF THE RIDGE WITH SEAS TO 9 FT E OF THE BAHAMAS. MODERATE TO FRESH WINDS PREVAIL N OF THE SURFACE RIDGE WITH SEAS 4-7 FT. THE RIDGE WILL CONTINUE TO RETREAT OVER THE NEXT 24 HOURS WITH WINDS AND SEAS DECREASING OVER THE SOUTH PART OF THE FORECAST ARE. FORECAST REMAINS ON TRACK WITH REGARDS TO THE FRONT. THE FRONT WILL REACH FROM NEAR 31N76W TO S FLORIDA BY THIS AFTERNOON WHERE IT WILL STALL AND WEAKEN TO A TROUGH BY SUN. HIGH PRES BUILDING OVER THE EAST COAST OF THE UNITED STATES WILL TIGHTEN THE PRESSURE GRADIENT WEST OF THE TROUGH STRENGTHENING WINDS ON THE WEST SIDE OF THE TROUGH SUN. SEAS WILL BUILD TO NEAR 10 FT BY MON MORNING. THE TROUGH WILL LIFT N AND DAMPEN OUT TUE AND WED ALLOWING FOR WINDS AND SEAS TO SUBSIDE OVER THE NW PORTION. .WARNINGS...ANY CHANGES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... GMZ011...NONE. GMZ013...NONE. GMZ015...NONE. GMZ017...NONE. GMZ019...NONE. GMZ021...NONE. GMZ023...NONE. GMZ025...NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... AMZ011...NONE. AMZ013...NONE. AMZ015...NONE. AMZ017...NONE. AMZ019...NONE. AMZ021...NONE. AMZ023...NONE. AMZ025...NONE. AMZ027...NONE. AMZ029...NONE. AMZ031...NONE. AMZ033...NONE. AMZ035...NONE. AMZ037...NONE. AMZ039...NONE. .SW N ATLANTIC INCLUDING THE BAHAMAS... AMZ111...NONE. AMZ113...NONE. AMZ115...NONE. AMZ117...NONE. AMZ119...NONE. AMZ121...NONE. AMZ123...NONE. AMZ125...NONE. AMZ127...NONE. *FOR DETAILED ZONE DESCRIPTIONS PLEASE VISIT: HTTP://WWW.NHC.NOAA.GOV/ABOUTTAFBPROD.SHTML#OWF NOTE: GRIDDED MARINE FORECASTS ARE AVAILABLE IN THE NATIONAL DIGITAL FORECAST DATABASE (NDFD) AT: HTTP://PREVIEW.WEATHER.GOV/GRAPHICAL FOR ADDITIONAL INFORMATION PLEASE VISIT: HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER AL