000 AGXX40 KNHC 070631 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 231 AM EDT TUE APR 7 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 AND ECMWF BLENDED WITH PREVIOUS FORECAST. TAFB-NWPS USED FOR WAVE PARAMETERS. HIGH CONFIDENCE. HIGH PRESSURE RIDGING EXTENDS FROM THE NE GULF NEAR APALACHEE BAY FLORIDA TO THE NORTHERN TEXAS PLAINS. THIS IS SUPPORTING MODERATE TO LOCALLY FRESH E-SE RETURN FLOW ACROSS THE BASIN WITH 1-3 FT SEAS IN THE NE GULF AND 3-5 FT SEAS ELSEWHERE. THE EXCEPTION IS NEAR THE YUCATAN PENINSULA WHERE LOW-LEVEL FORCING SUPPORTS LOCALLY STRONG NE-E WINDS RIGHT ALONG THE COAST. SURFACE TROUGHING THAT DEVELOPED OVER THE WESTERN FLORIDA PENINSULA HAS DRIFTED JUST OFFSHORE INTO THE EXTREME EASTERN GULF WATERS WHERE IT WILL DISSIPATE IN THE NEXT FEW HOURS. AREAS OF DENSE FOG ARE BEING REPORTED IN THE NW GULF BY BUOYS AND OIL PLATFORMS WHICH IS ALSO DEPICTED BY THE EXPERIMENTAL GOES-R SATELLITE IFR PROBABILITY PRODUCT. THE OVERALL CONDITIONS AND WEATHER PATTERN WILL PERSIST FOR THE REMAINDER OF THE WEEK INTO THE WEEKEND. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... MODEL PREFERENCE: LATEST GFS AND ECMWF BLENDED WITH PREVIOUS FORECAST. TAFB-NWPS USED FOR WAVE PARAMETERS. HIGH CONFIDENCE. MODERATE TO FRESH NE-E TRADE WINDS DOMINATE THE BASIN ALONG WITH 4-7 FT SEAS...EXCEPT NEAR THE NW COAST OF COLOMBIA WHERE MINIMAL GALE FORCE WINDS ARE IN THE PROCESS OF DEVELOPING. HIGH PRESSURE IN THE ATLC N OF THE AREA AND LOW PRESSURE INLAND OVER NW COLOMBIA IS SUPPORTING THESE CONDITIONS. SEAS WILL BUILD TO 10-14 FT JUST NW OF COLOMBIA DURING THE REMAINDER OF THE NIGHT. WINDS ARE FORECAST TO PULSE ONCE AGAIN TO MINIMAL GALE FORCE LEVELS LATE TONIGHT/TUE NIGHT INTO THE EARLY WED MORNING HOURS BEFORE DIMINISHING AGAIN. MEANWHILE NE-E WINDS WILL PULSE TO FRESH TO STRONG LEVELS IN AND NEAR THE WINDWARD PASSAGE AND S OF HISPANIOLA DURING THE NEXT FEW NIGHTS AND EARLY MORNING HOURS. LITTLE CHANGE IN MARINE CONDITIONS IS ANTICIPATED DURING THE NEXT 48 HOURS. IN THE TROPICAL N ATLC...MODERATE TO FRESH NE-E TRADE WINDS AND 5-7 FT SEAS IN NE SWELL PREVAIL AND WILL PERSIST THROUGH THE NEXT SEVERAL DAYS. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: LATEST GFS AND ECMWF BLENDED WITH PREVIOUS FORECAST. TAFB-NWPS USED FOR WAVE PARAMETERS. HIGH CONFIDENCE. A SURFACE TROUGH IS APPROACHING 65W FROM THE E WITH SCATTERED SHOWERS OCCURRING NEAR ITS AXIS. THIS TROUGH IS FORECAST TO DRIFT INTO THE OFFSHORE WATERS TODAY...GRADUALLY DISSIPATING THROUGH WED. OTHERWISE...A NE TO SW HIGH PRESSURE RIDGE WILL DOMINATE THE WEATHER PATTERN ACROSS THE BASIN THROUGH THE FORECAST PERIOD. EXPECT GENTLE TO MODERATE E-SE WINDS N OF 26N...AND MODERATE TO FRESH E FLOW S OF 26N THROUGH THE REMAINDER OF THE WEEK INTO THE UPCOMING WEEKEND. MEANWHILE...SEAS OF 5-7 FT OUTSIDE OF THE BAHAMAS WILL SUBSIDE TO 4-6 FT BY LATE WED...THEN TO 3-5 FT N OF 26N BY LATE THU. WINDS MAY BRIEFLY INCREASE TO FRESH TO STRONG JUST N OF HISPANIOLA APPROACHING THE WINDWARD PASSAGE THROUGH THE NEXT SEVERAL DAYS. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... .AMZ031...CARIBBEAN FROM 11N TO 15N BETWEEN 72W AND 80W INCLUDING COLOMBIA BASIN... GALE WARNING EARLY TODAY. GALE WARNING TONIGHT. .SW N ATLANTIC INCLUDING THE BAHAMAS... NONE. $$ *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 LEWITSKY. NATIONAL HURRICANE CENTER.