000 AGXX40 KNHC 230741 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 241 AM EST MON NOV 23 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 FORECAST. NWPS BLENDED USED FOR WAVES WITH MANUAL ADJUSTMENTS FOR OBSERVATIONS. MEDIUM TO HIGH CONFIDENCE. HAZARDOUS MARINE CONDITIONS WILL CONTINUE IN THE WAKE OF THE STRONG COLD FRONT CURRENTLY MOVING E ACROSS THE SE GULF WATERS. AT 0600 UTC...THE COLD FRONT EXTENDS FROM NEAR THE SW TIP OF FLORIDA TO JUST N OF THE NW TIP OF THE YUCATAN INTO THE E BAY OF CAMPECHE. A RECENT ASCAT PASS INDICATES STRONG NORTHERLY WINDS BEHIND THE FRONT EXCEPT OVER THE NW GULF WHERE MODERATE WINDS PREVAIL. NW TO N GALE FORCE WINDS WILL CONTINUE WITHIN 45 NM ALONG THE COAST NEAR VERACRUZ MEXICO TO NEAR SUNRISE. SEA HEIGHTS RANGE FROM 6 TO 8 OVER THE NORTH AND E GULF WATERS BUILDING TO 12 TO 14 FT IN THE FAR SW GULF. THE COLD FRONT IS FORECAST TO BE E OF THE AREA BY EARLY MORNING. STRONG HIGH PRESSURE WILL BUILD SE ACROSS THE GULF IN THE WAKE OF THE FRONT AND PERSIST THROUGH WED BEFORE SHIFTING NE LATER IN THE WEEK. WINDS AND SEAS WILL BEGIN TO DIMINISH FROM NW TO SE TODAY THEN WINDS WILL VEER TO THE E LATE MON NIGHT OR EARLY TUE AS THE SURFACE RIDGE BEGINS TO SHIFT NE. FRESH TO STRONG EASTERLY WINDS ARE EXPECTED TO BEGIN WED EVENING THROUGH THU MAINLY ACROSS THE EASTERN GULF AS THE SEAS BUILD TO AROUND 10 FT BY THU EVENING AS A VERY STRONG HIGH PRES BUILDS N OF AREA. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL FORECAST. NWPS BLENDED USED FOR WAVES WITH MANUAL ADJUSTMENTS FOR OBSERVATIONS. HIGH CONFIDENCE. FRESH TO LOCALLY STRONG WINDS WILL PULSE DURING THE OVERNIGHT HOURS OFF THE COAST OF COLOMBIA THROUGH THU NIGHT TO FRI MORNING. GENTLE TO MODERATE TRADES ARE EXPECTED ELSEWHERE ACROSS THE CARIBBEAN SEA THROUGH THE FORECAST PERIOD. A STRONG COLD FRONT CURRENTLY MOVING ACROSS THE GULF OF MEXICO WILL REACH THE NW CARIBBEAN EARLY THIS MORNING...EXTENDING FROM CENTRAL CUBA TO N BELIZE THIS EVENING...AND FROM EASTERN CUBA TO THE GULF OF HONDURAS EARLY TUE WHERE IT IS FORECAST TO BECOME STATIONARY. FRESH TO STRONG WINDS ARE EXPECTED BEHIND THE FRONT WITH BUILDING SEAS OF 9 FT ACROSS THE YUCATAN CHANNEL LATER TODAY. AN AREA OF FRESH TO LOCALLY STRONG NE WINDS IS FORECAST TO PERSIST IN THE LEE OF CUBA AND MAINLY N OF 19N TUE THROUGH EARLY THU DUE TO THE PRESENCE OF A VERY STRONG HIGH PRES N OF AREA. LONG PERIOD NORTHERLY SWELL WILL CONTINUE TO PROPAGATE ACROSS THE TROPICAL WATERS E OF THE LESSER ANTILLES THROUGH AT LEAST MON NIGHT. BUOY 41060 LOCATED NEAR 14.5N52W HAS REPORTED SEAS OF 8-9 FT. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL FORECAST. NWPS BLENDED USED FOR WAVES WITH MANUAL ADJUSTMENTS FOR OBSERVATIONS. MEDIUM TO HIGH CONFIDENCE. A COLD FRONT AT 0600 UTC EXTENDS FROM 31N73W TO NEAR MIAMI FLORIDA. FRESH TO STRONG SOUTHERLY WINDS ARE AHEAD OF THE FRONT N OF 26N TO NEAR 69W AND A RECENT SCATTEROMETER PASS SHOWS WINDS SE TO S WINDS GALE FORCE N OF 30N E OF FRONT TO NEAR 69W. WINDS ARE EXPECTED TO BE BELOW GALE FORCE BY SUNRISE THIS MORNING. THE FRONT WILL CONTINUE TO MOVE E ACROSS THE FORECAST WATERS AND EXTEND FROM 30N65W TO CENTRAL CUBA THIS EVENING...AND FROM 26N65W TO EASTERN CUBA TUE EVENING WHERE THE FRONT WILL STALL AND BEGIN TO WEAKEN. SEAS OF 11-12 FT ARE ASSOCIATED WITH THE STRONGEST WINDS AHEAD OF THE FRONT...AND TO 8 -9 FT BEHIND THE FRONT WITH NORTHERLY SWELL. STRONG HIGH PRESSURE WILL BUILD ACROSS THE BASIN BEHIND THE FRONT. AS A RESULT...FRESH TO STRONG NE WINDS WILL DOMINATE MUCH OF THE FORECAST WATERS DURING THE FORECAST PERIOD. WINDS ARE EXPECTED TO INCREASE TO NEAR GALE FORCE MAINLY ACROSS THE N WATERS WED WITH SEAS BUILDING TO 14-16 FT. THESE HAZARDOUS MARINE CONDITIONS MAY BE ASSOCIATED WITH A VERY STRONG HIGH PRES MOVING OFF THE NE UNITED STATES LATE WED INTO THU. THE GFS GLOBAL MODEL FORECASTS A 1043 MB HIGH PRES MOVING EASTWARD INTO THE N-CENTRAL ATLC OCEAN WITH A MAXIMUM CENTRAL PRESSURE OF 1050 MB BY THU MORNING BEFORE WEAKENS TO 1045 MB FRI AS IT SHIFTS FURTHER EAST. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... .GMZ023...SW GULF S OF 22N W OF 94W... GALE WARNING EARLY TODAY. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... NONE. .SW N ATLANTIC INCLUDING THE BAHAMAS... .AMZ113...ATLANTIC FROM 27N TO 31N BETWEEN 70W AND 77W... GALE WARNING EARLY TODAY. .AMZ115...ATLANTIC FROM 27N TO 31N BETWEEN 65W AND 70W... GALE WATCH THU INTO THU NIGHT. $$ *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.