000 AGXX40 KNHC 031744 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 144 PM EDT FRI APR 3 2015 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: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL FORECAST. MWW3 USED FOR WAVE HEIGHTS. HIGH CONFIDENCE. WEAK PRES PATTERN CONTINUES ACROSS THE GULF WITH A SURFACE RIDGE EXTENDING ALONG 28N FROM NORTH FLORIDA TO THE TEXAS COAST. GENTLE TO MODERATE BREEZES PERSIST IN MOST AREAS WITH SEAS RANGING FROM 3 TO 5 FT. WINDS TO 20 KT CAN BE EXPECTED THIS EVENING OFF THE NW COAST OF THE YUCATAN PENINSULA WHERE A TROUGH DEVELOPS OVERNIGHT. THE PATTERN WILL CHANGE ACROSS THE GULF STARTING LATE TONIGHT INTO EARLY TOMORROW MORNING AS A COLD FRONT MOVES TO THE NW GULF...LIKELY ACCOMPANIED BY A FEW SHOWERS AND TSTMS. FRESH TO STRONG NE WINDS MAINLY THE WATERS WITHIN 60 NM OF THE TEXAS AND LOUISIANA COASTS ON SAT. THE FRONT WILL STALL BY LATE SAT FROM CENTRAL FLORIDA TO THE MOUTH OF THE RIO GRANDE...THEN BECOME DIFFUSE SUN. WEAK HIGH PRES BUILDS BEHIND THE FRONT CURRENT WEAK PRES PATTERN ACROSS THE GULF EARLY NEXT WEEK. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL FORECAST. MWW3 USED FOR WAVES. HIGH CONFIDENCE. A MODERATELY TIGHT PRES GRADIENT BETWEEN LOW PRES OVER COLOMBIA AND HIGH PRES N OF THE AREA IS MAINTAINING FRESH TRADE WINDS OVER MOST OF THE EASTERN AND CENTRAL CARIBBEAN WITH STRONGER WINDS OFF COLOMBIA AND THROUGH THE WINDWARD PASSAGE. MODERATE WINDS PERSIST OVER THE TROPICAL N ATLC AND NW CARIBBEAN. SEAS ARE GENERALLY 5 TO 7 FT...ALTHOUGH PERHAPS AS HIGH AS 10 FT OFF COLOMBIA. THE STRONG WINDS WILL PERSIST OFF COLOMBIA THROUGH THE NEXT SEVERAL DAYS...MAINLY OVERNIGHT...ALLOWING SEAS TO BUILD AS HIGH AS 11 FT BY EARLY SAT. THE ATLC RIDGE N OF THE AREA WILL WEAKEN SAT AHEAD OF A COLD FRONT ALLOWING TRADE WINDS TO DIMINISH SLIGHTLY FROM LATE SAT TO LATE SUN. STRONG HIGH PRES BUILDING IN THE WAKE OF THE FRONT WILL SUPPORT ADDITIONAL STRONG WINDS THROUGH THE WINDWARD PASSAGE AND OFF HISPANIOLA STARTING SUN THROUGH EARLY NEXT WEEK. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL FORECAST. MWW3 USED FOR WAVES. HIGH CONFIDENCE. HIGH PRES BUILDING ACROSS THE AREA. COLD FRONT THAT WILL MOVE OFF THE SE GEORGIA COAST EARLY SAT. THE FRONT WILL MOVE SE AND STALLING ALONG 26N THROUGH LATE SUN. STRONG NE WINDS IN THE OFFSHORE WATERS E OF NE FLORIDA SAT NIGHT BEHIND THE FRONT...WITH SEAS BUILDING TO 8 TO 10 FT. WINDS AND SEAS DIMINISH ACROSS THE AREA LATE SUN THROUGH EARLY MON AS THE FRONT WEAKENS AND HIGH PRES SHIFTS NE OF THE AREA. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... NONE. .SW N ATLANTIC INCLUDING THE BAHAMAS... NONE. $$ *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.HURRICANE WARNINGS.GOV/MARINE $$ .FORECASTER DGS. NATIONAL HURRICANE CENTER.