000 AGXX40 KNHC 121655 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 1255 PM EDT WED JUN 12 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... MODEL PREFERENCE: BLEND OF PREVIOUS FORECAST WITH THE LATEST GFS AND ECMWF WITH HIGH CONFIDENCE. LIGHT WINDS...ASSOCIATED WITH 1020 MB HIGH CENTERED NEAR 28N87W ARE NOTED IN THE NE GULF...WITH MODERATE E-SE WINDS ELSEWHERE. SEAS ARE 1-3 FT ACROSS THE BASIN...EXCEPT 3-4 FT IN THE NW GULF. THE HIGH WILL MEANDER ACROSS THE NORTHEAST AND NORTH-CENTRAL GULF THROUGH THE WEEKEND. A WEAK COLD FRONT WILL BRUSH PAST THE NE GULF WATERS FRI WHERE THE SOUTHERN PORTION OF THE FRONT WILL STALL AND GRADUALLY DISSIPATE THROUGH SAT. HIGH PRES REBUILDING FROM THE NE SUN WILL SUPPORT MODERATE E-SE RETURN FLOW ACROSS THE REST OF THE GULF SUN AND MON. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC... MODEL PREFERENCE: BLEND OF THE PREVIOUS FORECAST WITH THE LATEST GFS AND ECMWF WITH HIGH CONFIDENCE. THE NORTHERN PORTION OF A TROPICAL WAVE ALONG 81W MOVING ACROSS THE SW CARIBBEAN IS PRODUCING SCATTERED TO NUMEROUS CONVECTION. THE WAVE WILL MOVE INTO CENTRAL AMERICA LATE TONIGHT. FRESH TO STRONG TRADES IN THE CENTRAL CARIBBEAN WILL SHRINK CLOSER TO THE COLOMBIAN COAST THROUGH SAT AS A RIDGE N OF THE AREA WEAKENS. A TROPICAL WAVE ALONG 51W S OF 16N WILL MOVE THROUGH THE TROPICAL N ATLC TONIGHT AND THU...THE EASTERN CARIBBEAN FRI...AND INTO THE CENTRAL CARIBBEAN SAT. TRADE WINDS INCREASE IN CENTRAL ATLC THU AS SUBTROPICAL HIGH SHIFTS E WITH SEA HEIGHTS BUILDING IN NE SWELL OVER TROPICAL N ATLC WATERS. THE NEXT TROPICAL WAVE WILL MOVE INTO THE TROPICAL N ATLC WATERS THU...INTO THE E CARIBBEAN FRI...AND ACROSS CENTRAL CARIBBEAN SAT AND SUN. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: BLEND OF THE PREVIOUS FORECAST WITH THE LATEST GFS AND ECMWF WITH HIGH CONFIDENCE. RIDGE ALONG 28N WILL WEAKEN AND SLIDE ESE TONIGHT AND THU AHEAD OF A COLD FRONT EXPECTED TO MOVE INTO THE NW PORTION FRI. THE FRONT WILL EXTEND FROM 31N74W TO CENTRAL FLORIDA LATE FRI... WEAKEN FROM 31N67W TO NORTHERN BAHAMAS SAT...THEN DISSIPATE SUN. SOUTHERLY FLOW WILL INCREASE TO 20 KT AHEAD OF THE FRONT N OF 29N THU NIGHT. HIGH PRES WILL BUILD BEHIND THE FRONT SAT AND SUN WITH MODERATE NE WINDS EXPECTED BEHIND THE FRONT. LITTLE CHANGE IN SEA HEIGHTS EXPECTED ACROSS THE BASIN DURING THE NEXT 5 DAYS. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... GMZ011...NONE. GMZ013...NONE. GMZ015...NONE. GMZ017...NONE. GMZ019...NONE. GMZ021...NONE. GMZ023...NONE. GMZ025...NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... AMZ011...NONE. AMZ013...NONE. AMZ015...NONE. AMZ017...NONE. AMZ019...NONE. AMZ021...NONE. AMZ023...NONE. AMZ025...NONE. AMZ027...NONE. AMZ029...NONE. AMZ031...NONE. AMZ033...NONE. AMZ035...NONE. AMZ037...NONE. AMZ039...NONE. .SW N ATLANTIC INCLUDING THE BAHAMAS... AMZ111...NONE. AMZ113...NONE. AMZ115...NONE. AMZ117...NONE. AMZ119...NONE. AMZ121...NONE. AMZ123...NONE. AMZ125...NONE. AMZ127...NONE. *FOR DETAILED ZONE DESCRIPTIONS PLEASE VISIT: HTTP://WWW.NHC.NOAA.GOV/ABOUTTAFBPROD.SHTML#OWF NOTE: GRIDDED MARINE FORECASTS ARE AVAILABLE IN THE NATIONAL DIGITAL FORECAST DATABASE (NDFD) AT: HTTP://WWW.NHC.NOAA.GOV/MARINE/GRIDS.PHP FOR ADDITIONAL INFORMATION PLEASE VISIT: HTTP://WWW.HURRICANES.GOV/MARINE $$ .FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.