000 AGXX40 KNHC 111648 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 1248 PM EDT MON MAY 11 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 GFS. MWW3 FOR WAVES. .A RIDGE IS ACROSS THE NORTHERN GULF. THE RIDGE WILL REMAIN STATIONARY FOR THE NEXT 3 TO 4 DAYS. THE ASSOCIATED GRADIENT WILL ALLOW FOR MODERATE TO FRESH RETURN FLOW ACROSS MOST OF WESTERN GULF. A WEAKENING FRONT WILL MOVE SOUTHWARD TO THE N COASTAL PLAINS LATE TUESDAY/EARLY WED...AND REMAIN THERE THROUGH THU. HIGH PRES WILL BUILD ACROSS THE FRONT AND OVER THE GULF WED AND WED NIGHT. A SURFACE TROUGH WILL DEVELOP LATE EACH EVENING ACROSS THE YUCATAN PENINSULA AND SHIFT WNW ACROSS THE SW GULF DURING THE LATE EVENINGS AND OVERNIGHT HOURS...RESULTING IN ENHANCED WINDS AND SEAS. THE SEA HEIGHTS WILL RANGE FROM A LOWER VALUE OF 1 FT IN THE EASTERN PORTION OF THE GULF OF MEXICO...TO 4 TO 5 FEET IN THE CENTRAL WATERS...TO 6 TO 7 FEET FROM 93W WESTWARD. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W...UPDATED MODEL PREFERENCE: A BLEND OF THE OFFICIAL WITH THE LATEST GFS. MWW3 FOR WAVES. GALE WARNING-FORCE WINDS ARE PRESENT NOW AND FORECAST ALONG THE COLOMBIA COAST FOR MOST OF THE NEXT 48 HOURS. 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 18N SOUTHWARD FROM 65W WESTWARD. THE MAXIMUM SEA HEIGHTS WILL RANGE FROM 10 TO 15 FEET IN THE AREAS OF THE GALE WARNING-FORCE WINDS. THE GULF OF HONDURAS WILL EXPERIENCE PERIODS OF 20 TO 25 KNOT WINDS...DURING THE LATE NIGHT/EARLY MORNING HOURS TODAY...TOMORROW ON TUESDAY...WEDNESDAY...NOT SO MUCH IF AT ALL ON THURSDAY...AND AGAIN ON FRIDAY. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: A BLEND OF THE OFFICIAL WITH THE GFS. MWW3 FOR SEAS. A NORTHEAST-TO-SOUTHWEST ORIENTED SURFACE RIDGE SPANS THE ZONES THAT ARE FROM 31N65W WESTWARD AND SOUTHWESTWARD. THE RIDGE STAYS IN PLACE UNTIL AROUND UNTIL EARLY WEDNESDAY. A COLD FRONT REACHES THE FAR NORTHWESTERN CORNER OF THE AREA AROUND MIDDAU WED. THE COLD FRONT MOVES THROUGH THE NORTHERN PORTION OF THE AREA FROM WEDNESDAY UNTIL LATE THU/EARLY FRI...WHEN IT WILL HAVE MOVED TO THE EAST OF THE AREA. MORE BROAD SURFACE ANTICYCLONIC WIND FLOW WILL COVER THE AREA. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... .AMZ031...CARIBBEAN FROM 11N TO 15N BETWEEN 72W AND 80W INCLUDING COLOMBIA BASIN... GALE WARNING TODAY INTO TUE NIGHT. GALE CONDITIONS POSSIBLE TUE NIGHT. GALE CONDITIONS POSSIBLE WED NIGHT. .SW N ATLANTIC INCLUDING THE BAHAMAS... NONE. $$ *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 DGS. NATIONAL HURRICANE CENTER.