000 AGXX40 KNHC 060733 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 233 AM EST SUN DEC 6 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. LATEST MWW3 FOR WAVE PARAMETERS. A STATIONARY FRONT REMAINS OVER THE SE WATERS AND EXTENDS FROM THE STRAITS OF FLORIDA ACROSS THE YUCATAN CHANNEL INTO THE FAR WESTERN CARIBBEAN. STRONG HIGH PRES OVER THE EASTERN UNITED STATES EXTENDS A RIDGE SW TO TEXAS AND CONTINUES TO PRODUCE A MODEST PRES GRADIENT ACROSS THE ERN GULF BEHIND THE FRONT. AN EARLIER SCATTEROMETER PASS AND SURFACE DATA SHOWED FRESH TO LOCALLY STRONG NE WINDS ACROSS THE EASTERN GULF...WITH SEAS TO 8 FT BASED ON BUOY OBSERVATIONS AND AN ALTIMETER PASS. NW TO N WINDS OF 20 KT ARE STILL NOTED S OF 20N AND W OF 94W. THE FRONT IS EXPECTED TO REMAIN NEARLY STATIONARY ACROSS THE SE WATERS THROUGH THIS EVENING. THEN...A DRY FRONTAL BOUNDARY WILL MOVE ACROSS THE N GULF TONIGHT AND MON WITH REINFORCING HIGH PRES PUSHING THE OLD FRONTAL BOUNDARY A LITTLE SE. THE NORTHERN PART OF THE FRONT WILL MOVE ACROSS THE ATLC WATERS WHILE THE SOUTHERN PART WILL REMAIN STATIONARY AGAIN OVER THE SE WATERS BY TUE. FRESH TO STRONG NE WINDS ARE EXPECTED TO GENERALLY CONTINUE ACROSS THE EASTERN GULF THROUGH SUN NIGHT BEFORE DIMINISHING MON. EXPECT INCREASING WINDS ACROSS THE WEST- CENTRAL AND SW GULF LATE SUN INTO MON WITH THE STRONGEST WINDS IN THE 25-30 KT RANGE ALONG THE VERACRUZ COASTAL AREA EARLY MON... WHERE SEAS ARE EXPECTED TO BUILD TO 7-9 FT. THE FRONTAL BOUNDARY SHOULD WASH OUT ACROSS THE SE GULF WATERS BY WED. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL FORECAST. SOME MANUAL ADJUSTMENTS. LATEST MWW3 FOR WAVE PARAMETERS. RECENT SCATTEROMETER DATA INDICATE STRONG WINDS NEAR THE COAST OF COLOMBIA...PARTICULARLY FROM 11N-13N BETWEEN 73W-76W. WINDS ARE EXPECTED TO REACH MINIMAL GALE FORCE 30-35 KT BETWEEN 0600-1200 UTC BUILDING SEAS TO 12-13 FT. A GALE WARNING IS IN EFFECT FOR THIS AREA THROUGH THIS MORNING. FRESH TO STRONG WINDS IN THE 20-30 KT RANGE ARE EXPECTED ACROSS THE REMAINDER OF THE CENTRAL CARIBBEAN AS THE ATLC RIDGE IS STILL MAINTAINING SUFFICIENT PRES GRADIENT ACROSS THIS AREA. THEN...THE ATLC RIDGE IS FORECAST TO SHIFT E AND FURTHER WEAKEN ACROSS THE BASIN THROUGH MON WITH NOCTURNAL MAX OFF OF COLOMBIA SUN NIGHT REACHING 30 KT WITH SEAS TO 12 FT. WINDS AND SEAS WILL DIMINISH ACROSS THE SOUTH-CENTRAL CARIBBEAN BY EARLY TUE AS THE PRES GRADIENT RELAXES. A FRONTAL BOUNDARY REMAINS NEARLY STATIONARY ACROSS THE YUCATAN CHANNEL AND THE FAR WESTERN CARIBBEAN. THE FRONTS IS PRODUCING SOME SHOWER ACTIVITY AND FRESH WINDS ARE NOTED NEAR THE SOUTHERN END OF THE FRONT OVER THE GULF OF HONDURAS. THIS WEATHER PATTERN WILL PERSIST OVER THE NEXT 24 HOURS. A SURFACE TROUGH AHEAD OF THE FRONT WILL MEANDER ALONG 81W/82W OVER THE NEXT COUPLE OF DAYS WITH LITTLE IMPACT IN THE MARINE CONDITIONS. TROPICAL N ATLANTIC...MODERATE TO FRESH TRADE WINDS AND SEAS TO 8 FT WILL DOMINATE THE WATERS E OF THE LESSER ANTILLES THROUGH MON. THEN...MAINLY MODERATE TRADE WINDS AND SEAS OF 6-7 FT IN NE SWELL WILL PREVAIL THE REMAINDER OF THE FORECAST PERIOD. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL FORECAST. LATEST MWW3 FOR WAVE PARAMETERS. A STATIONARY FRONT EXTENDS MAINLY ACROSS THE N WATERS AND STRETCHES FROM 30N65W TO 27N76W TO THE STRAITS OF FLORIDA. THE MOST RECENT SCATTEROMETER DATA PROVIDED OBSERVATIONS OF FRESH TO STRONG WINDS N OF THE FRONT. AS A RESULT...THE GALE WARNING HAS BEEN ALLOWED TO EXPIRE AT 0600 UTC. A PAIR OF ALTIMETER PASSES INDICATED SEAS UP TO 13 FT WITH THESE STRONG WINDS. A PORTION OF THE FRONT E OF 70W IS FORECAST TO MOVE N OF AREA THIS EVENING AS A DEVELOPING LOW PRES ALONG THE FRONTAL BOUNDARY MOVES NE CROSSING NEAR BERMUDA AND THE ATLC RIDGE BUILDS W ALONG 27N. A NEW COLD FRONT WILL MOVE OFF THE SE U.S. COAST LATE ON MON AND MERGE WITH THIS OLD FRONTAL BOUNDARY ON TUE. THE NORTHERN PORTION OF THE FRONT WILL CONTINUE TO MOVE SE WHILE THE SOUTHERN PORTION WILL BECOME AGAIN NEARLY STATIONARY ACROSS THE NW BAHAMAS AND THE STRAITS OF FLORIDA BY TUE EVENING. MODERATE TO FRESH NLY WINDS AND SEAS OF 6-7 FT WILL FOLLOW THE NEW FRONT. THE NEXT COLD FRONT IS FORECAST TO SWEEP ACROSS THE N WATERS BY THU. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... .AMZ031...CARIBBEAN FROM 11N TO 15N BETWEEN 72W AND 80W INCLUDING COLOMBIA BASIN... GALE WARNING EARLY TODAY. .SW N ATLANTIC INCLUDING THE BAHAMAS... NONE. $$ *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.