000 AGXX40 KNHC 160730 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 230 AM EST THU JAN 16 2014 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 BLENDED WITH PREVIOUS/OFFICIAL FORECAST. MWW3 BLENDED WITH PREVIOUS/OFFICIAL FORECAST FOR WAVE PARAMETERS. MED CONFIDENCE. A COLD FRONT EXTENDING FROM THE FL BIG BEND TO THE YUCATAN PENINSULA WILL PASS THROUGH THE FL STRAITS EARLY THIS MORNING. NW 20-25 KT WINDS/SEAS 6-9 FT CURRENTLY NOTED W OF THE FRONT ACROSS THE CENTRAL GULF WATERS WILL DIMINISH TO NW-N AT 15-20 KT/SEAS 5-8 FT BY MID MORNING...THEN FURTHER DIMINISH TO 5-10 KT ACROSS THE ENTIRE GULF SURROUNDING A 1021 MB HIGH NEAR 27N91W AROUND SUNSET TODAY...WITH SEAS 4-7 FT ACROSS THE YUCATAN BASIN AND SUBSIDING. A SECOND COLD FRONT WILL ENTER THE NW WATERS TONIGHT AND REACH FROM TAMPA BAY TO THE NW BAY OF CAMPECHE LATE FRI. THIS SECOND FRONT WILL BE ACCOMPANIED BY NW 20-25 KT WINDS BUT ONLY OVER THE NE WATERS FROM LATE FRI INTO FRI NIGHT. THE GRADIENT WILL QUICKLY RELAX ON SAT WITH SOUTHERLY 10-15 KT RETURN FLOW OVER THE NW GULF GULF ON SAT AFTERNOON. THE HIGH PRESSURE WILL SHIFT SE TO ACROSS THE CENTRAL WATERS ON SAT NIGHT...THEN MEANDER NEAR 26N87W ON SUN AND MON WITH 5-10 KT ANTICYCLONIC WINDS OVER THE CENTRAL WATERS AND SE-S 10-15 KT ALONG THE PERIPHERY OF THE RIDGE ACROSS THE BAY OF CAMPECHE AND THE WATERS W OF 94W. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 65W... MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL FORECAST. MWW3 BLENDED WITH PREVIOUS/OFFICIAL FORECAST FOR WAVE PARAMETERS. MED CONFIDENCE. AN IN INITIAL COLD FRONT EXTENDING FROM CENTRAL CUBA TO BELIZE WILL STALL FROM THE WINDWARD PASSAGE TO COSTA RICA TONIGHT. A SECOND COLD FRONT CURRENTLY ENTERING THE YUCATAN CHANNEL WILL REACH FROM CENTRAL CUBA TO THE GULF OF HONDURAS TONIGHT...AND MERGE WITH THE INITIAL FRONT ON FRI...WITH THE MERGED BOUNDARY SLOWLY WASHING OUT THROUGH EARLY SUN. NORTHERLY WINDS ARE CURRENTLY AT 20-25 KT W OF THE INITIAL FRONT WITH SEAS 5-8 FT ACROSS THE GULF OF HONDURAS...BUT THE NORTHERLY WINDS SHOULD DIMINISH TO 15-20 KT BEHIND THE SECOND FRONT. A BAND OF NORTHERLY 20-25 KT WINDS WILL DEVELOP WITHIN ABOUT 75 NM OF THE CARIBBEAN COAST OF NICARAGUA EARLY THIS AFTERNOON AND SPREAD S TO NEAR 11N BY SUNSET TODAY...THEN DIMINISH TO 15-20 KT EARLY FRI. FRESH TO STRONG TRADES WITH SEAS UP TO 9-11 FT WILL CONTINUE ALONG THE NW COAST OF COLOMBIA THROUGH EARLY MON THEN INCREASE TO NEAR GALE FORCE MON NIGHT. MODERATE TO FRESH TRADES WITH 4-7 FT AREA EXPECTED ELSEWHERE THROUGH THE PERIOD ACROSS THE CARIBBEAN AND TROPICAL ATLC WATERS. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL FORECAST. MWW3 BLENDED WITH PREVIOUS/OFFICIAL FORECAST FOR WAVE PARAMETERS. MED CONFIDENCE. A COLD FRONT EXTENDS FROM 31N73W TO CENTRAL CUBA WITH 15-20 KT SOUTHERLY WINDS N OF 27N WITHIN 240 NM E OF THE FRONT EXPECTED TO INCREASE 20-25 KT EARLY THIS MORNING AND PERSIST THROUGH THIS AFTERNOON BEFORE DIMINISHING TO 15-20 KT TONIGHT. A SECOND... REINFORCING COLD FRONT IS MOVING OFF THE SE GA/NE FL COAST ATTM AND WILL BE ACCOMPANIED BY MINIMAL GALE FORCE WINDS BEGINNING EARLY THIS MORNING...BUT PERSISTING ONLY THROUGH MID DAY BEFORE DIMINISHING TO 20-25 KT THIS AFTERNOON AND 10-15 KT TONIGHT. THE TWO COLD FRONTS WILL MERGE ON FRI MORNING FROM 31N68W TO THE WINDWARD PASSAGE WHERE THE FRONT WILL STALL. THE NORTHERN PORTION OF THE FRONT WILL CONTINUE EASTWARD THROUGH BERMUDA ON FRI NIGHT AS THE SOUTHERN SEGMENT OF THE FRONT BEGINS TO DRIFT W. A THIRD COLD FRONT WILL MOVE OFF THE SE GA/NE FL COAST ON FRI ACCOMPANIED BY A SW-W-NW 20-25 KT WIND SHIFT ACROSS THE WATERS N OF THE BAHAMAS ON FRI AND SAT WITH GRADIENT RELAXING AS THIS THIRD FRONT MERGES WITH THE PREVIOUSLY MERGED FRONT NEARLY STATIONARY ALONG A LINE FROM 31N65W TO HAITI LATE SAT. A FOURTH SLIGHTLY STRONGER COLD FRONT WILL MOVE OFF THE SE GA/NE FL COAST LATE SAT NIGHT ACCOMPANIED BY A SW-W-NW 20-30 KT WIND SHIFT ACROSS THE WATERS N OF 29N. THIS FOURTH FRONT WILL MERGE WITH THE PREVIOUSLY MERGED 3 FRONTS ALONG A LINE FROM 31N56W TO 24N65W THEN STATIONARY TO HAITI BY EARLY MON. REMNANTS OF THIS BOUNDARY TO THE S OF 27N WILL BEGIN TO DRIFT W ON MON NIGHT. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... GMZ011...NONE. GMZ013...NONE. GMZ015...NONE. GMZ017...NONE. GMZ019...NONE. GMZ021...NONE. GMZ023...NONE. GMZ025...NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... AMZ011...NONE. AMZ013...NONE. AMZ015...NONE. AMZ017...NONE. AMZ019...NONE. AMZ021...NONE. AMZ023...NONE. AMZ025...NONE. AMZ027...NONE. AMZ029...NONE. AMZ031...NONE. AMZ033...NONE. AMZ035...NONE. AMZ037...NONE. AMZ039...NONE. .SW N ATLANTIC INCLUDING THE BAHAMAS... AMZ111...GALE WARNING TODAY INTO TONIGHT. AMZ113...GALE WARNING TODAY INTO TONIGHT. AMZ115...NONE. AMZ117...NONE. AMZ119...NONE. AMZ121...NONE. AMZ123...NONE. AMZ125...NONE. AMZ127...NONE. *FOR DETAILED ZONE DESCRIPTIONS PLEASE VISIT: HTTP://WWW.NHC.NOAA.GOV/ABOUTTAFBPROD.SHTML#OWF NOTE: GRIDDED MARINE FORECASTS ARE AVAILABLE IN THE NATIONAL DIGITAL FORECAST DATABASE (NDFD) AT: HTTP://WWW.NHC.NOAA.GOV/MARINE/GRIDS.PHP FOR ADDITIONAL INFORMATION PLEASE VISIT: HTTP://WWW.HURRICANES.GOV/MARINE $$ .FORECASTER NELSON. NATIONAL HURRICANE CENTER.