000 AGXX40 KNHC 090756 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 356 AM EDT SAT MAY 9 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 THE LATEST GFS AND THE LATEST NWPS. A SURFACE RIDGE WILL SPAN THE AREA FOR AT FROM THE NORTHEASTERN CORNER INTO THE SOUTHWESTERN CORNER. A SURFACE TROUGH WILL EXTEND FROM THE YUCATAN PENINSULA OF MEXICO INTO WESTERN CUBA. THE SURFACE PRESSURE GRADIENT WILL INCREASE FROM LATE SUNDAY UNTIL MONDAY SUNRISE. THE WIND SPEEDS WILL INCREASE TO 20 TO 25 KNOTS ALONG THE COAST OF THE YUCATAN PENINSULA AND IN THE SOUTHWESTERN CORNER OF THE AREA. THE PATTERN OF THE PRESSURE GRADIENT TIGHTENING AND THE INCREASE IN WIND SPEEDS...WILL HAPPEN AGAIN CYCLICALLY...EVERY DAY FROM LATE MONDAY INTO TUESDAY SUNRISE...UNTIL LATE WEDNESDAY/THURSDAY SUNRISE...AND LATE THURSDAY. THE SEA HEIGHTS WILL START...FOR THE FIRST 24 HOURS OR SO...FROM A COMPARATIVELY LOWER VALUE OF 1 FOOT IN THE EASTERNMOST SECTIONS OF THE GULF OF MEXICO...TO 3 FEET IN THE CENTRAL WATERS...TO 5 FEET IN THE WESTERN SECTIONS. EARLY SUNDAY MORNING...A SMALL AREA OF 6 FOOT SEAS DEVELOPS ABOUT 120 NM TO THE NORTH- NORTHWEST OF THE NORTHWESTERN CORNER OF THE YUCATAN PENINSULA...WHILE A SMALL AREA OF 8 FOOT SEAS DEVELOPS ALONG THE SOUTHEASTERN COAST OF TEXAS. THE 8 FOOT SEA HEIGHTS ALONG THE TEXAS COAST DISAPPEAR BY THE NOONTIME HOURS ON SUNDAY. 6 TO 7 FOOT SEA HEIGHTS COVER THE AREA THAT IS FROM 20N NORTHWARD FROM 92W WESTWARD. AREAS OF 8 FOOT SEA HEIGHTS DEVELOP IN THE AFOREMENTIONED AREAS OF THE TIGHTENING SURFACE PRESSURE GRADIENT AND THE INCREASE IN WIND SPEEDS...STARTING LATE ON SUNDAY/DURING THE EARLY MORNING HOURS OF MONDAY...UNTIL LATE ON THURSDAY...CYCLICALLY. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... MODEL PREFERENCE: A BLEND OF THE OFFICIAL WITH THE LATEST GFS AND THE LATEST NWPS...PLUS MANUAL EDITS. GALE WIND CONDITIONS ARE FORECAST ALONG THE COLOMBIA COAST LATE ON SUNDAY NIGHT/EARL MONDAY MORNING...AND THEN IN THE SAME CYCLE FOR LATE MONDAY/EARLY TUESDAY AND LATE TUESDAY/EARLY ON WEDNESDAY. NORTHEAST-TO-EAST 20 TO 25 KNOT WIND SPEEDS COVER THE AREA...IN GENERAL...FROM 11N TO 18N BETWEEN 65W AND 80W...FROM NOW UNTIL THE END OF THE FORECAST PERIOD. THE SEA HEIGHTS GENERALLY WILL RANGE FROM 8 TO 12 FEET IN THE LARGER AREA OF THE CENTRAL CARIBBEAN SEA. THE SEA HEIGHTS WILL RANGE FROM 12 TO 16 FEET IN THE AREAS OF THE GALE-FORCE WINDS. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: A BLEND OF THE OFFICIAL WITH THE LATEST ECMWF AND THE NWPS. SUBTROPICAL STORM WARNING ANA REMAINS CUT OFF AND MOVING LITTLE OFFSHORE OF THE CAROLINAS. THE WIND SURGE THAT IS ROTATING CYCLONICALLY AROUND ANA HAS GENERATED A PULSE OF N TO NW SWELL... THAT NOW IS REACHING 27N. ANA IS FORECAST TO MOVE NORTHWESTWARD...SLOWLY...IN THE AREA OF THE COAST OF THE CAROLINAS. A STRONG HIGH PRESSURE CENTER WILL THE SEA HEIGHTS WILL GO DOWN INCREMENTALLY MORE AND MORE AS ANA CONTINUES ITS NORTHERLY MOVEMENT. ANA IS FORECAST TO BE INLAND LATE ON SUNDAY. A STRONG HIGH PRESSURE CENTER WILL MOVE FROM THE NORTHWESTERN ATLANTIC OCEAN INTO THE REGIONAL WATERS THAT ARE TO THE EAST OF BERMUDA BY SUNDAY NIGHT/MONDAY...AS ANA MOVES INLAND. EAST-SOUTHEAST TRADE WIND FLOW BE ENHANCED...TO THE SOUTH OF 23N/24N FROM SUNDAY UNTIL TUESDAY...FROM THE NORTHEASTERN CARIBBEAN SEA INTO THE BANKS. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... .AMZ031...CARIBBEAN FROM 11N TO 15N BETWEEN 72W AND 80W INCLUDING COLOMBIA BASIN... GALE WARNING SUN NIGHT. GALE CONDITIONS POSSIBLE MON NIGHT. GALE CONDITIONS POSSIBLE TUE NIGHT. .SW N ATLANTIC INCLUDING THE BAHAMAS... NONE. $$ *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.