000 AGXX40 KNHC 191738 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 1238 PM EST THU NOV 19 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 THE FLORIDA BIG BEND TO THE CENTRAL GULF TO THE E 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 3-4 FT OVER THE REMAINDER OF THE GULF WATERS. THE FRONT WILL CONTINUE TO SLOWLY SHIFT EASTWARD OVER THE NEXT COUPLE OF DAYS BEFORE STALLING OVER THE SE WATERS. 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 SUN NIGHT. GALE FORCE WINDS WILL AFFECT THE FAR W AND SW GULF ZONES SAT NIGHT INTO SUN. HIGH PRESSURE WILL BUILD ACROSS THE GULF WATERS IN THE WAKE OF THE 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 CONTINUES TO MEANDER OVER THE SW CARIBBEAN WATERS. 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 REACHING 9 FT N OF THE LOW. 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 OUTSIDE OF THE AREA OF 9 FT SEAS. 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 WILL RETREAT EASTWARD TODAY ENABLING A COLD FRONT TO MOVE INTO THE NW WATERS. THE FRONT WILL SHIFT EASTWARD BEFORE STALLING FROM NEAR 31N74W TO THE NORTHERN BAHAMAS. AN AREA OF FRESH TO STRONG WINDS WITH SEAS REACHING 8 FT WILL PREVAIL W OF THE FRONT. A STRONGER COLD FRONT WILL MOVE INTO THE LOCAL WATERS EARLY SUN. THIS FRONT WILL MERGE WITH THE STATIONARY FRONT. THE MERGED FRONT WILL SHIFT E ACROSS THE AREA TO EXTEND FROM NEAR 29N65W TO THE WINDWARD PASSAGE BY EARLY TUE, STRONG WINDS WITH BUILDING SEAS TO NEAR 12 FT WILL PREVAIL W OF THE FRONT. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... .GMZ011...NW GULF INCLUDING STETSON BANK... GALE WATCH SAT NIGHT. .GMZ017...W CENTRAL GULF FROM 22N TO 26N W OF 94W... GALE WATCH SAT NIGHT INTO SUN. .GMZ023...SW GULF S OF 22N W OF 94W... GALE WATCH SAT NIGHT INTO SUN NIGHT. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... NONE. .SW N ATLANTIC INCLUDING THE BAHAMAS... NONE. $$ *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 AL. NATIONAL HURRICANE CENTER.