000 AGXX40 KNHC 200753 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 253 AM EST FRI NOV 20 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 PREVIOUS OFFICIAL. NWPS USED FOR WAVES WITH MANUAL ADJUSTMENTS FOR OBSERVATIONS. MEDIUM TO HIGH CONFIDENCE. A SLOWLY MOVING COLD FRONT EXTENDS FROM NEAR CEDAR KEY FLORIDA TO THE CENTRAL GULF BECOMING STATIONARY ALONG 24N96W TO THE W BAY OF CAMPECHE. LATEST SATELLITE DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN DATA DEPICT MODERATE TO FRESH WINDS PREVAIL W OF THE FRONT AND GENTLE TO LIGHT WINDS EXTENDS E OF THE FRONT. SEAS ARE IN THE 4-6 FT RANGE OVER THE NW GULF...AND 2-4 FT OVER THE REMAINDER OF THE GULF WATERS. THE COLD FRONT WILL CONTINUE TO SLOWLY SHIFT EASTWARD THROUGH SAT BEFORE STALLING IN THE W ATLC. THE STATIONARY FRONT WILL DISSIPATE OVER THE SE WATERS BY EARLY SAT. A STRONGER FAST MOVING COLD FRONT WILL MOVE INTO THE NW WATERS SATURDAY. THE FRONT WILL RAPIDLY SHIFT E ACROSS THE GULF WATERS...AND E OF THE AREA BY MON MORNING. GALE FORCE WINDS WILL AFFECT THE FAR W AND SW GULF ZONES SUN INTO MON. HIGH PRESSURE WILL BUILD ACROSS THE GULF WATERS IN THE WAKE OF THIS FRONT. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL. NWPS USED FOR WAVES WITH MANUAL ADJUSTMENTS FOR OBSERVATIONS. HIGH CONFIDENCE. LOW PRESSURE HAS MOVED INLAND OVER NICARAGUA. LATEST SATELLITE DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN DATA DEPICT A SMALL AREA OF FRESH TO LOCALLY STRONG WINDS WITH SEAS LESS THAN 8 FT WITHIN 60 NM ALONG THE COAST OF COLOMBIA. THESE WINDS WILL INCREASE TO STRONG EARLY SAT AND CONTINUE THROUGH EARLY MON WITH SEAS TO 9 FT. MODERATE TO LOCALLY FRESH WINDS PREVAIL ELSEWHERE OVER THE CENTRAL AND WESTERN CARIBBEAN WITH GENTLE WINDS OVER THE EASTERN CARIBBEAN AS WELL AS THE TROPICAL N ATLC WATERS. SEAS ARE IN THE 4-6 FT RANGE OVER THE W CARIBBEAN AND 5-6 FT OVER THE CENTRAL CARIBBEAN. SEAS IN THE 3-4 FT RANGE PREVAIL OVER THE EASTERN CARIBBEAN AND 5-6 FT OVER THE TROPICAL N ATLC WATERS. THE AREA OF HIGH PRESSURE N OF THE AREA WILL RETREAT EASTWARD. THIS WILL LOOSEN THE PRESSURE GRADIENT AND DECREASE WINDS AND SEAS OVER MUCH OF THE CARIBBEAN EXCEPT FOR THE WATERS JUST OFFSHORE OF COLOMBIA. NE SWELLS WILL MOVE INTO THE TROPICAL N ATLC WATERS THIS WEEKEND. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL. NWPS USED FOR WAVES WITH MANUAL ADJUSTMENTS FOR OBSERVATIONS. MEDIUM TO HIGH CONFIDENCE. HIGH PRESSURE PREVAILS ACROSS THE SW N ATLC WATERS. LATEST SATELLITE DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN DATA DEPICT MODERATE TO FRESH WINDS PREVAIL ACROSS THE AREA. SEAS ARE IN THE 6-8 FT RANGE E OF THE BAHAMAS AND 1-3 FT W OF THE BAHAMAS. THE AREA OF HIGH PRESSURE HAS BEGUN SHIFTING EASTWARD ALLOWING A COLD FRONT TO ENTER THE SW N ATLC THROUGH 31N80W TO ACROSS FLORIDA NEAR JACKSONVILLE. THE AREA OF HIGH PRESSURE WILL CONTINUE TO RETREAT EASTWARD TODAY ENABLING THE COLD FRONT TO MOVE FURTHER E ACROSS THE NW WATERS. THE FRONT WILL STALL FROM NEAR 31N74W TO THE NORTHERN BAHAMAS. AN AREA OF FRESH TO STRONG WINDS WITH SEAS REACHING TO 9 FT WILL PREVAIL W OF THE FRONT. A STRONGER COLD FRONT WILL MOVE INTO THE LOCAL WATERS SUN. THE FRONT WILL SHIFT E ACROSS THE AREA TO EXTEND FROM NEAR 29N65W TO THE WINDWARD PASSAGE BY EARLY TUE. STRONG TO NEAR GALE S WINDS WILL PRECEDE THE FRONT WITH STRONG N WINDS W OF THE FRONT LATE SUN. SEAS WILL BUILD TO 14 FT IN THE S FLOW AND TO 9 FT IN THE N FLOW. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... .GMZ017...W CENTRAL GULF FROM 22N TO 26N W OF 94W... GALE WARNING SAT NIGHT. GALE WATCH SAT NIGHT INTO SUN. .GMZ023...SW GULF S OF 22N W OF 94W... GALE WATCH SAT NIGHT INTO SUN NIGHT. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... NONE. .SW N ATLANTIC INCLUDING THE BAHAMAS... .AMZ113...ATLANTIC FROM 27N TO 31N BETWEEN 70W AND 77W... GALE WATCH SUN NIGHT. $$ *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 PAW. NATIONAL HURRICANE CENTER.