000 AGXX40 KNHC 111807 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 207 PM EDT SUN OCT 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: GFS BLEND. HIGH CONFIDENCE. A SERIES OF WEAK COLD FRONTS ARE EXPECTED TO MOVE ACROSS THE GULF WATERS OVER THE NEXT SEVERAL DAYS. CURRENTLY...A DISSIPATING COLD FRONT STRETCHES FROM THE FLORIDA KEYS TO 23N91W. VISIBLE SATELLITE PICTURES SHOW A NARROW BAND OF CLOUDS WITH POSSIBLE SHOWERS ASSOCIATED WITH THIS FRONT. FARTHER N...ANOTHER COLD FRONT EXTENDS FROM THE TAMPA BAY AREA TO NEAR 25N94W. SHIP AND BUOY OBSERVATIONS INDICATE GENTLE TO MODERATE NORTHERLY WINDS IN THE WAKE OF THE FRONT WITH SEAS TO AROUND 3 FT. THIS FRONT WILL MOVE SE AND EXTEND FROM SW FLORIDA TO 24N92W BY LATE TODAY AND WEAKEN FROM EXTREME SW FLORIDA TO 22N93W LATE MON. A THIRD COLD FRONT WILL PUSH INTO THE FAR NORTHERN WATERS LATE TUE...THEN DISSIPATE BY WED NIGHT. HIGH PRESSURE WITH NE WINDS BUILDS IN THU BEHIND ANOTHER COLD FRONT OVER THE FAR NE WATERS. MAINLY LIGHT TO GENTLE WINDS WILL DOMINATE THE REGION WITH SEAS GENERALLY UNDER 3 FT THROUGH TUE. BY WED...EXPECT NE WINDS OF 15 KT ACROSS THE SE AND SOUTH CENTRAL WATERS WITH BUILDING SEAS TO AROUND 4 FT. THESE MARINE CONDITIONS ARE EXPECTED TO PERSIST ON THU AS PRES GRADIENT TIGHTENS ACROSS THE GULF WATERS. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... MODEL PREFERENCE: GFS BLEND. HIGH CONFIDENCE. A TROPICAL WAVE PRESENTLY ALONG 80W WILL MOVE SLOWLY ACROSS THE NW CARIBBEAN AND CENTRAL AMERICA MON THROUGH WED. ELSEWHERE MODERATE TO FRESH WINDS ARE EXPECTED IN THE SOUTH-CENTRAL CARIBBEAN WITH SEAS AROUND 6-7 FT THROUGH TUE. LIGHT TO MODERATE TRADE WINDS ARE FORECAST ACROSS MUCH OF THE REMAINDER OF THE CARIBBEAN...EXCEPT FOR NORTHERLY WINDS TONIGHT AND MON IN THE NW CARIBBEAN BEHIND A DISSIPATING FRONTAL BOUNDARY. MORE NORMAL TRADE WIND REGIME ARE EXPECTED TO RETURN TO THE BASIN WED AND THU. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: GFS BLEND. HIGH CONFIDENCE. A SERIES OF WEAK COLD FRONTS ARE ALSO EXPECTED TO MOVE ACROSS THE SW N ATLANTIC. A DISSIPATING COLD FRONT EXTENDS FROM 31N74W TO THE FLORIDA KEYS FOLLOWED BY ANOTHER COLD FRONT THAT STRETCHES FROM A 1006 MB LOW PRES LOCATED N OF THE AREA THROUGH 31N77W TO NEAR CAPE CANAVERAL. AN AREA OF MODERATE TO ISOLATED STRONG CONVECTION IS AHEAD OF THE DISSIPATING FRONT AND COVERS THE FORECAST WATERS N OF 28N BETWEEN 67W AND 73W. WINDS AND SEAS COULD BE HIGHER NEAR THE TSTMS. THIS CONVECTIVE ACTIVITY IS MOVING EASTWARD. THE MAIN FRONT WILL CONTINUE MOVING SE AND EXTEND FROM NEAR 31N73W TO SE FLORIDA THIS EVENING AND DISSIPATE ON MON. A SECONDARY FRONT MOVES OFF THE SE COAST MON AND EXTENDS FROM 31N75W TO SE FLORIDA MON NIGHT...AND WEAKENS FROM 31N72W TO NE BAHAMAS LATE TUE. INCREASING S TO SW WINDS ARE EXPECTED AHEAD OF THE FRONT MON NIGHT AND TUE. MARINE GUIDANCE SUGGESTS WINDS IN THE 20-25 KT RANGE AND BUILDING SEAS NEAR 8 FT. A THIRD FRONT MOVES INTO THE FAR NW WATERS THU AND EXTENDS FROM 31N74W TO E-CENTRAL FLORIDA BY THU EVENING. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... NONE. .SW N ATLANTIC INCLUDING THE BAHAMAS... NONE. $$ *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.