000 AGXX40 KNHC 080726 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 326 AM EDT FRI AUG 8 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: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL FORECAST. LATEST MWW3 BLENDED WITH PREVIOUS/OFFICIAL FORECAST HIGH CONFIDENCE. WEAK HIGH PRES CENTER IS EXPECTED TO MEANDER OVER THE N-CENTRAL AND NE GULF WATERS THROUGH THE PERIOD WITH A RIDGE EXTENDING W TO THE COAST OF TEXAS. UNDER THE INFLUENCE OF THIS SYSTEM...EXPECT VARIABLE AND LIGHT WINDS ACROSS THE N-CENTRAL AND NE WATERS WITH SEAS OF 1-2 FT. SE-S WINDS OF 10-15 KT ARE EXPECTED ACROSS THE SW AND WESTERN GULF AROUND THE W PERIPHERY OF THE RIDGE WITH SEAS OF 2-4 FT. WINDS WILL INCREASE TO 15-20 KT ALONG THE W COAST OF THE YUCATAN PENINSULA DURING THE EVENINGS DUE TO LOCAL EFFECTS. A TROPICAL WAVE...CURRENTLY ALONG 83W/84W...WILL REACH THE YUCATAN PENINSULA TONIGHT AND PASS THROUGH THE BAY OF CAMPECHE OVER THE WEEKEND. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL FORECAST. LATEST MWW3 BLENDED WITH PREVIOUS/OFFICIAL FORECAST HIGH CONFIDENCE. HIGH PRES OVER THE CENTRAL ATLC EXTENDS A RIDGE OVER THE NE CARIBBEAN PRODUCING A MODERATE TO FRESH TRADE WIND FLOW. A TROPICAL WAVE ALONG 83W/84W WILL REACH THE YUCATAN PENINSULA TONIGHT. A SECOND TROPICAL WAVE HAS ENTERED THE EASTERN CARIBBEAN AND WILL MOVE ACROSS THE CENTRAL CARIBBEAN ON SUN...AND PASS THROUGH THE W CARIBBEAN MON THROUGH TUE NIGHT. A THIRD TROPICAL WAVE LOCATED WELL E OF THE AREA WILL REACH THE TROPICAL ATLC WATERS EARLY NEXT WEEK. SCATTEROMETER DATA SHOWED FRESH TO LOCALLY STRONG TRADE WINDS ACROSS THE CENTRAL CARIBBEAN WITH SEAS OF 6-8 FT. THESE MARINE CONDITIONS WILL PERSIST THROUGH SUN. THE GRADIENT IS EXPECTED TO TIGHTEN ON SUN EVENING RESULTING IN AN INCREASE IN WINDS AND SEAS ACROSS THE SOUTH-CENTRAL CARIBBEAN...PARTICULARLY OFF THE NW COAST OF COLOMBIA. EXPECT INCREASING WINDS OF 25-30 KT AND BUILDING SEAS OF 8-11 FT BY MON. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL FORECAST. LATEST MWW3 BLENDED WITH PREVIOUS/OFFICIAL FORECAST HIGH CONFIDENCE THROUGH SUN...THEN MEDIUM CONFIDENCE. A 1030 HIGH PRES LOCATED NEAR 33N38W EXTENDS A RIDGE ACROSS THE FORECAST WATERS WITH AXIS ALONG 26W/27W. LIGHT TO GENTLE WINDS ARE NOTED UNDER THE RIDGE WITH SEAS OF 3-5 FT IN SE SWELL. S OF THE RIDGE...GENTLE TO MODERATE EASTERLY TRADES ARE OBSERVED WITH AN AREA OF 15-20 KT WINDS N OF HISPANIOLA AND ACROSS THE WINDWARD PASSAGE. THE MOST RECENT SCATTEROMETER PASS CONFIRMED THE PRESENCE OF THESE WINDS. IN ADDITION...A COUPLE OF SHIP OBSERVATIONS SHOWED EASTERLY WINDS OF 20-25 KT N OF PUERTO RICO. THE GRADIENT WILL TIGHTEN OVER THE WEEKEND WITH E WINDS INCREASING TO 20-25 KT ALONG THE N COAST OF HISPANIOLA...MAINLY DURING THE EVENINGS. A FRONTAL TROUGH IS OVER THE NE PART OF THE AREA AND STRETCHES FROM 31N65W TO 28N73W. THE TROUGH WILL PERSIST ACROSS THE NE WATERS THROUGH THE WEEKEND. SWLY FLOW WILL DOMINATE THE N WATERS MAINLY W OF 70W BY MON. THESE WINDS ARE EXPECTED TO INCREASE TO 15-20 KT MON NIGHT...THEN TO 20-25 KT ON TUE AS A LOW PRES DEVELOPS N OF AREA. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... NONE. .SW N ATLANTIC INCLUDING THE BAHAMAS... NONE. $$ *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.