000 AGXX40 KNHC 270749 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 349 AM EDT SUN JUL 27 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 FORECAST. MWW3 BLENDED WITH PREVIOUS FORECAST FOR SEA HEIGHTS. HIGH CONFIDENCE. PERSISTENT RIDGE EXTENDING FROM W CENTRAL FLORIDA TO THE COAST OF TEXAS WILL REMAIN DOMINANT SYNOPTIC FEATURE ACROSS THE BASIN THROUGH EARLY NEXT WEEK ALONG ROUGHLY 26N/27N. THE RIDGE WILL SHIFT SOUTHWARD TUE AND WED AHEAD OF A WEAK COLD FRONT THAT SAGS INTO THE NORTHERN GULF WATERS TUE THEN STALLS AND DISSIPATES THROUGH WED. LIGHT TO MODERATE WINDS AND SLIGHT SEAS WILL CONTINUE OVER MUCH OF THE GULF THROUGH MID WEEK. LOCALLY MODERATE TO FRESH NE WINDS WILL PULSE OFF NW COAST OF YUCATAN PENINSULA MOST EVENINGS THROUGH MID WEEK...ENHANCED BY PASSAGE OF NORTHERN PORTION OF A TROPICAL WAVE ACROSS THE FAR SW GULF MON AND TUE. NO SIGNIFICANT DIFFERENCES IN SENSIBLE WEATHER NOTED IN GLOBAL MODELS. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... MODEL PREFERENCE: GFS BLENDED WITH PREVIOUS FORECAST. MWW3 BLENDED WITH PREVIOUS FORECAST FOR SEA HEIGHTS. HIGH CONFIDENCE. A HIGH RESOLUTION ASCAT SATELLITE PASS FROM 0230 UTC INDICATED WINDS TO GALE FORCE OFF THE COAST OF COLOMBIA NEAR BARRANQUILLA. SIMILAR TO THE PREVIOUS NIGHT...THESE WINDS ARE THE PRODUCT OF A FAIRLY STRONG AND PERSISTENT RIDGE N OF THE BASIN COMBINED WITH DRAINAGE FLOW OFF THE COASTAL TERRAIN. THESE WINDS SHOULD DIMINISH LATER THIS MORNING AFTER SUNRISE AS THE DRAINAGE WEAKENS. THE RIDGE IS EXPECTED TO WEAKEN SLIGHTLY TODAY...TAKING THE TRADE WINDS DOWN SLIGHTLY OFF COLOMBIA TONIGHT. MEANWHILE THE MAIN AXIS OF A TROPICAL WAVE IS MOVING FROM THE GULF OF HONDURAS INLAND OVER BELIZE. MODERATE TO FRESH WINDS OVER THE WILL CONTINUE TO PULSE OVER THE GULF OF HONDURAS IN THE WAKE OF THE TROPICAL WAVE MAINLY DURING THE OVERNIGHT AND EARLY MORNING HOURS. ANOTHER TROPICAL WAVE IN THE CENTRAL CARIBBEAN BETWEEN HISPANIOLA AND THE ABC ISLANDS WILL MOVE W ACROSS THE SW CARIBBEAN TOWARD THE COASTS OF NICARAGUA AND COSTA RICA MON AND TUE. FRESH TO STRONG TRADE WINDS WILL FOLLOW THIS WAVE OVER THE SW CARIBBEAN. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: GFS BLEND. HIGH CONFIDENCE. A RIDGE ORIENTED ROUGHLY ALONG 28N WILL MEANDER A LITTLE THROUGH SUN THEN SAG SOUTHWARD TO AROUND 26N MON IN RESPONSE TO A DEEP LAYER TROUGH NORTH OF THE AREA MOVING OFF THE CAROLINA COAST. ASSOCIATED WEAK COLD FRONT EXPECTED TO DRIFT INTO THE WATERS N OF 28N OFF NE FLORIDA LATE MON. SW WINDS AHEAD OF THE FRONT WILL BRIEFLY INCREASE TO 20 KT BRIEFLY MON NIGHT. FRONT EXPECTED TO STALL AND WEAKEN OFF THE NE FLORIDA COAST THROUGH WED...BUT MAY SERVE AS FOCUS FOR SHOWERS AND TSTMS OVER THE GULF STREAM BEFORE BECOME DIFFUSE BY THU. THE RIDGE WILL MAINTAIN MODERATE TO FRESH TRADES N OF HAITI. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... .AMZ031...CARIBBEAN FROM 11N TO 15N BETWEEN 72W AND 80W INCLUDING COLOMBIA BASIN... GALE WARNING EARLY TODAY. .SW N ATLANTIC INCLUDING THE BAHAMAS... NONE. $$ *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 CHRISTENSEN. NATIONAL HURRICANE CENTER.