000 AGXX40 KNHC 160726 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 326 AM EDT SAT MAY 16 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 OFFICIAL FORECAST. LATEST MWW3 BLENDED WITH OFFICIAL FORECAST. HIGH CONFIDENCE. HIGH PRES LOCATED OVER THE WESTERN ATLANTIC EXTENDS A RIDGE ACROSS THE FLORIDA PENINSULA INTO THE GULF WATERS PRODUCING MODERATE TO LOCALLY FRESH E-SE WINDS AND SEAS GENERALLY UNDER 5 FT. THE PRES GRADIENT WILL SLIGHTLY TIGHTEN BETWEEN THE RIDGE AND LOWER PRES OVER TEXAS AND NE MEXICO TONIGHT AND SUN BRINGING SOME INCREASE IN WINDS AND SEAS ACROSS THE WESTERN WATERS. MARINE GUIDANCE SUGGESTS FRESH TO STRONG SOUTHERLY WINDS AND BUILDING SEAS OF 6-8 FT MAINLY W OF 90W. IN ADDITION...FRESH TO LOCALLY STRONG WINDS WILL PULSE EACH NIGHT INTO THE EARLY MORNING HOURS NEAR AND TO THE NW OF THE YUCATAN PENINSULA DUE TO LOCAL EFFECTS INDUCE BY A THERMAL TROUGH. A NEARLY STATIONARY WEAK HIGH PRES IS FORECAST TO DEVELOP IN THE NE GULF MON THROUGH WED. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL FORECAST. LATEST MWW3 BLENDED WITH PREVIOUS/OFFICIAL FORECAST. HIGH CONFIDENCE. THE MOST RECENT SCATTEROMETER DATA SHOWED FRESH TO STRONG TRADE WINDS IN THE SOUTH-CENTRAL CARIBBEAN WHILE AN ALTIMETER PASS INDICATED SEAS OF 8-10 FT NEAR THE COAST OF COLOMBIA. THESE MARINE CONDITIONS ARE FORECAST TO PERSIST THROUGH TUE...THEN DIMINISH TUE NIGHT AND WED AS HIGH PRES LOCATED N OF AREA WEAKENS. MODERATE TO FRESH TRADE WINDS WILL PREVAIL ACROSS THE REMAINDER OF THE CENTRAL CARIBBEAN THROUGH TUE...WITH GENTLE TO MODERATE WINDS ELSEWHERE. MODERATE TO LOCALLY FRESH TRADES ARE EXPECTED ACROSS THE TROPICAL N ATLC WITH SEAS OF 6-8 FT DURING THE FORECAST PERIOD. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: LATEST GFS BLENDED WITH OFFICIAL FORECAST. LATEST MWW3 BLENDED WITH OFFICIAL FORECAST. HIGH CONFIDENCE. A WEAK COLD FRONT EXTENDING FROM 25N65W TO 25N73W WILL DISSIPATE ACROSS THE SE WATERS TODAY. HIGH PRES IN THE WAKE OF THE FRONT... CURRENTLY LOCATED N OF AREA NEAR 38N69W...EXTENDS A RIDGE ACROSS THE FORECAST WATERS. UNDER THE INFLUENCE OF THIS SYSTEM...MAINLY MODERATE EASTERLY WINDS PREVAIL...WITH THE EXCEPTION OF FRESH TO LOCALLY STRONG WINDS JUST N OF HISPANIOLA W OF 70W AND NEAR THE APPROACH TO THE WINDWARD PASSAGE. AN ASCAT PASS ALONG WITH SURFACE DATA CONFIRMED THE PRESENCE OF THESE WINDS. THE HIGH PRES WILL MOVE SOUTH AND INTO THE N WATERS BY MON REACHING A POSITION NEAR 30N72W...THEN WILL SHIFT FARTHER S TO NEAR 27N74W BY TUE AS A COLD FRONT CLIPS THE FAR NE WATERS. MARINE GUIDANCE SUGGESTS SEAS OF 4-6 FT E OF THE BAHAMAS AND 1-3 FT W OF THE BAHAMAS...HIGHER ACROSS THE STRAITS OF FLORIDA WHERE E WINDS OF 15-20 KT WITH HIGHER GUSTS AND SEAS OF 4-6 FT ARE EXPECTED DURING THIS WEEKEND. THE NEXT COLD FRONT IS FORECAST TO REACH THE FAR NW WATERS LATE TUE INTO WED. MODERATE TO FRESH S TO SW WINDS ARE EXPECTED AHEAD OF THE FRONT. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... NONE. .SW N ATLANTIC INCLUDING THE BAHAMAS... NONE. $$ *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 GR. NATIONAL HURRICANE CENTER.