000 AGXX40 KNHC 130759 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 359 AM EDT WED MAY 13 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: A BLEND OF THE OFFICIAL WITH GFS AND ECMWF FOR WINDS...AND THE NWPS FOR THE SEAS. A RIDGE EXTENDS FROM THE NE CORNER OF THE GULF INTO THE SW CORNER OF THE AREA. THE RIDGE WILL CONTINUE ALONG THE SAME LINE UNTIL SATURDAY. A WEAKENING COLD FRONT WILL MOVE SOUTHWARD TO THE NE COASTAL PLAINS LATE TUE AND REMAIN THERE THROUGH THU...BEFORE LIFTING N AND OUT OF REGION THU LATE. SURFACE TROUGH WILL DEVELOP EACH EVENING ACROSS THE YUCATAN PENINSULA THEN SHIFT W-NW ACROSS SW SECTIONS OF GULF DURING THE LATE NIGHT AND EARLY MORNING HOURS. THE WIND SPEEDS INCREASE TO 20 TO 25 KT...AND THE SEA HEIGHTS REACH THEIR COMPARATIVELY HIGHEST VALUES OF 6 TO 7 FT...AS THE TROUGH IS SHIFTING TOWARD THE W-NW ON A DAILY BASIS. THE SEA HEIGHTS WILL RANGE FROM A LOWER VALUE OF 1 FOOT IN THE EASTERN PART OF THE GULF OF MEXICO...TO 4 TO 5 FEET IN THE CENTRAL WATERS...TO 6 TO 7 FT IN THE SW CORNER OF THE GULF OF MEXICO. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W...UPDATED MODEL PREFERENCE: A BLEND OF THE OFFICIAL WITH GFS AND ECMWF FOR WINDS...AND THE NWPS FOR THE SEAS. GALE FORCE WINDS ARE PRESENT NOW AND ONLY FOR THE NEXT 6 TO 12 HOURS ALONG THE COLOMBIA COAST. THE OVERALL TREND OF 20 TO 25 KNOT WINDS AND 8 FT OR HIGHER SEAS WILL CONTINUE...AS IT HAS BEEN CONTINUING FOR THE LAST FEW DAYS...FROM S OF 18N W OF 63W. THE MAXIMUM SEA HEIGHTS WILL RANGE FROM 12 TO 15 FEET IN THE AREAS OF THE GALE-FORCE WINDS. THE WINDS ALONG THE COLOMBIA COAST WILL BE LESS THAN GALE FORCE FOR THE REST OF THE FORECAST PERIOD...BUT STILL IN THE 25 TO 30 KNOT RANGE. THE ATLANTIC OCEAN RIDGE WILL BE SHIFTING MORE TO THE EAST...AS A COLD FRONT ENTERS THE NORTHWESTERN CORNER OF THE ATLANTIC OCEAN ZONES...AND THEN AS IT MAKES ITS WAY ACROSS THE ATLANTIC OCEAN WITH TIME. AN ASCATB PASS AT 13/0148 UTC SHOWS GALE-FORCE NE WINDS. IT IS POSSIBLE THAT GALE- FORCE WINDS RETURN TO THE GULF OF VENEZUELA AROUND 24 HOURS INTO THE FORECAST PERIOD. 25 TO 30 KNOT NORTHEAST WINDS ARE EXPECTED IN THE GULF OF VENEZUELA UNTIL SATURDAY AROUND SUNRISE. THE GULF OF HONDURAS WILL EXPERIENCE PERIODS OF 20 TO 25 KNOT WINDS...DURING THE LATE NIGHT/EARLY MORNING HOURS FROM TODAY UNTIL LATE TUESDAY. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: A BLEND OF THE OFFICIAL WITH GFS AND ECMWF FOR WINDS...AND THE NWPS FOR THE SEAS. STRONG HIGH PRES CENTERED ACROSS THE W CENTRAL ATLC E OF BERMUDA WILL REMAIN NEARLY STATIONARY THROUGH WEDNESDAY SUNRISE. A COLD FRONT ENTERS THE NW CORNER OF THE FORECAST AREA ON WEDNESDAY AROUND SUNRISE...AND THEN BY NOON WEDNESDAY. THE FRONT EVENTUALLY EXITS THE AREA COMPLETELY BY FRIDAY SUNRISE. HIGH PRESSURE BUILDS INTO NW AREA OF ATLANTIC OCEAN AS COLD FRONT MOVES EASTWARD WITH TIME. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... .AMZ031...CARIBBEAN FROM 11N TO 15N BETWEEN 72W AND 80W INCLUDING COLOMBIA BASIN... GALE WARNING EARLY TODAY. .AMZ033...CARIBBEAN FROM 11N TO 12N BETWEEN 70W AND 72W INCLUDING GULF OF VENEZUELA. .SW N ATLANTIC INCLUDING THE BAHAMAS... NONE. $$ *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 MT. NATIONAL HURRICANE CENTER.