000 AGXX40 KNHC 170739 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 339 AM EDT SUN APR 17 2016 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 THE OFFICIAL WIND FORECAST. LATEST MWW3 BLENDED WITH THE OFFICIAL WAVE FORECAST. HIGH CONFIDENCE. A COLD FRONT CONTINUES TO SLOWLY SHIFT SE OVER THE E GULF STRETCHING FROM THE MIDDLE TO UPPER FLORIDA KEYS...TO NEAR 26N88W. SCATTERED SHOWERS AND ISOLATED TSTMS CONTINUE TO DEVELOP IN THE N AND S OF THE FRONT E OF 87W. LATEST OBSERVATIONS INDICATE FRESH TO STRONG E WINDS AND SEAS TO 8 FT ACROSS THE N GULF SPREADING TO ACROSS THE NE GULF TODAY WITH SEAS BUILDING TO 9 FT. THE FRONT WILL GRADUALLY WEAKEN AND DISSIPATE OVERNIGHT. HIGH PRESSURE WILL THEN PREVAIL OVER THE MAJORITY OF THE GULF WATERS FOR SUN THROUGH MID WEEK BEFORE WEAKENING AND SHIFTING EASTWARD. FRESH TO STRONG E FLOW IS EXPECTED SUN NIGHT ACROSS MUCH OF THE BASIN SUN THROUGH EARLY MON WHICH WILL BUILD SEAS TO 6-9 FT ACROSS THE BASIN BY EARLY MON...THEN WILL DIMINISH TO MODERATE TO LOCALLY FRESH FOR THE REMAINDER OF THE WEEK AS THE PRESSURE GRADIENT WEAKENS. ALSO...A SURFACE TROUGH WILL CONTINUE TO DEVELOP EACH AFTERNOON OVER THE YUCATAN...AND DRIFT WESTWARD INTO THE SW GULF WATERS DURING THE EVENING AND OVERNIGHT HOURS...BEFORE DISSIPATING BY MORNING. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... MODEL PREFERENCE: LATEST GFS BLENDED WITH THE OFFICIAL WIND FORECAST. LATEST MWW3 BLENDED WITH THE OFFICIAL WAVE FORECAST. HIGH CONFIDENCE. THE CARIBBEAN BASIN REMAINS CLEAR OF ANY SIGNIFICANT FEATURES AT THE SURFACE...HOWEVER 1008 MB LOW PRESSURE OVER NORTHERN COLOMBIA AND BROAD RIDGING N OF THE BASIN WILL CONTINUE TO SUPPORT PULSING WINDS TO FRESH TO STRONG JUST OFFSHORE OF THE COAST OF COLOMBIA THROUGH TONIGHT. A WEAK SURFACE TROUGH WILL MOVE ACROSS THE LESSER ANTILLES SUN NIGHT AND ACROSS THE REMAINDER OF THE E CARIBBEAN THROUGH WED BEFORE DISSIPATING. OTHERWISE...GENTLE TO MODERATE TRADES PREVAIL. WINDS NEAR THE COAST OF COLOMBIA WILL DIMINISH BY EARLY MORNING. EASTERLY FLOW WILL PULSE TO FRESH TO STRONG NEAR THE GULF OF HONDURAS OVERNIGHT SUN NIGHT. PULSING WINDS TO FRESH TO STRONG WILL ALSO BE POSSIBLE S OF HISPANIOLA WITH FRESH WINDS EXPECTED NEAR THE WINDWARD PASSAGE AND IN THE LEE OF EASTERN CUBA DURING THE OVERNIGHT HOURS...BEGINNING TUE NIGHT THROUGH THE END OF THE WEEK. OTHERWISE...FAIRLY TRANQUIL CONDITIONS ARE EXPECTED. IN THE TROPICAL N ATLC...A WEAK SURFACE TROUGH WILL APPROACH THE LESSER ANTILLES SUN MOVING ACROSS THE E CARIBBEAN SUN NIGHT THROUGH WED BEFORE DISSIPATING. ATLC RIDGING WILL CONTROL THE WEATHER FOR THE REMAINDER OF THE FORECAST PERIOD...WITH MAINLY MODERATE TRADES AND 4-6 FT SEAS PREVAILING. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: LATEST GFS BLENDED WITH THE OFFICIAL WIND FORECAST. LATEST MWW3 BLENDED WITH THE OFFICIAL WAVE FORECAST. HIGH CONFIDENCE. A COLD FRONT EXTENDS FROM 31N55W ALONG 24N65W 25N77W WHERE IT ENTERS THE GULF OF MEXICO OVER THE MIDDLE TO UPPER FLORIDA KEYS. ONLY ISOLATED CONVECTION IS PRESENT NEAR THE BOUNDARY W OF 57W...WITH SCATTERED SHOWERS AND ISOLATED TSTMS ALONG THE BOUNDARY E OF 57W. LATEST OBSERVATIONS INDICATE FRESH TO STRONG NE-E WINDS N OF THE FRONT W OF 72W...WITH LIGHT AND VARIABLE WINDS S OF THE FRONT. SEAS ARE 8-11 FT N OF THE FRONT W OF 75W AS INDICATED BY BUOYS...WITH 4-6 FT SEAS S OF THE FRONT. THE FRONT WILL BRIEFLY STALL THROUGH SUN NIGHT BEFORE SHIFTING E MON. THE FRONT WILL REACH FROM 31N55W TO TO THE TURKS AND CAICOS SUN NIGHT...31N54W TO THE N COAST OF THE DOMINICAN REPUBLIC MON NIGHT THAN RAPIDLY MOVING E TO 31N45W TO N OF THE LEEWARD ISLANDS TUE NIGHT. HIGH PRES WILL BUILD S IN THE WAKE OF THE FRONT CONTROLLING THE MAJORITY OF THE WEATHER THROUGH THE UPCOMING WEEK. AN EXCEPTION WILL BE THE NE CORNER OF THE BASIN...ESPECIALLY ZONE AMZ115...WHICH WILL BE IMPACTED BY A SERIES OF FRONTS/TROUGHS ROTATING AROUND SURFACE LOWS. FRESH TO STRONG NW WINDS AND SETS OF FRESH NW-N SWELL WILL IMPACT THE NE WATERS...THE FIRST SET OF SWELL EXPECTED TO PROPAGATE ACROSS THE ENTIRE BASIN...WITH SEAS UP TO 13-15 FT ALONG 31N SUN INTO MON. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... NONE. .SW N ATLANTIC INCLUDING THE BAHAMAS... NONE. $$ *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 PAW. NATIONAL HURRICANE CENTER.