000 AGXX40 KNHC 031803 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 203 PM EDT WED SEP 3 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. NWPS USED FOR WAVE PARAMETERS. MEDIUM TO HIGH CONFIDENCE. DOLLY WAS DOWNGRADED TO A TROPICAL DEPRESSION THIS MORNING AT 7 AM CDT AND THE LAST ADVISORY WAS ISSUED BY THE NATIONAL HURRICANE CENTER ON THIS SYSTEM AT 10 AM CDT. SEE THE LATEST NHC FORECAST/ ADVISORY UNDER AWIPS/WMO HEADERS MIATCMAT5/WTNT25 KNHC FOR MORE DETAILS ON DOLLY. AN AREA OF FRESH TO STRONG SE WINDS IS STILL NOTED ACROSS THE W-CENTRAL WATERS FROM 20N TO 26N W OF 94 DUE TO THE PRES GRADIENT BETWEEN DOLLY AN A HIGH PRES LOCATED OVER SE LOUISIANA. THESE WINDS WILL GRADUALLY DIMINISH THROUGH THIS AFTERNOON AS DOLLY CONTINUES TO WEAKEN INLAND. SEAS ARE EXPECT TO GRADUALLY SUBSIDE BELOW 8 FT BY LATE TODAY. GENTLE TO MODERATE WINDS ARE EXPECTED ACROSS MOST OF THE GULF WATERS UNDER THE INFLUENCE OF A RIDGE THROUGH THE REMAINDER OF THE FORECAST PERIOD WITH THE EXCEPTION OF MODERATE TO FRESH WINDS NEAR THE COAST OF YUCATAN EACH EVENING THROUGH FRI DUE TO LOCAL EFFECTS. A COLD FRONT IS FORECAST TO APPROACH THE NORTHERN GULF COAST BY SUN. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL. NWPS USED FOR WAVE PARAMETERS. MEDIUM TO HIGH CONFIDENCE. FRESH TO STRONG TRADE WINDS CONTINUES TO BLOW ACROSS THE SOUTH- CENTRAL CARIBBEAN PER THE MOST RECENT SCATTEROMETER PASS WITH SEAS TO 9 FT. THIS WEATHER PATTERN WILL PERSIST OVER THE NEXT COUPLE OF DAYS WITH THE AREA OF FRESH TO STRONG WINDS SPREADING FARTHER W ON THU REACHING THE COAST OF NICARAGUA THU NIGHT. A TROPICAL WAVE EXTENDING ALONG 81W WILL PASS THROUGH THE WESTERN CARIBBEAN THROUGH TONIGHT. A SECOND TROPICAL WAVE OVER THE E CARIBBEAN ALONG 69W WILL MOVE W THROUGH THE CENTRAL CARIBBEAN TODAY AND THU REACHING THE WESTERN CARIBBEAN ON FRI AND SAT. A THIRD TROPICAL WAVE NEAR 56W WILL ENTER THE E CARIBBEAN EARLY ON THU...REACHING THE CENTRAL CARIBBEAN ON FRI AND SAT. AS THESE TROPICAL WAVES MOVE WESTWARD ACROSS THE REGION...EXPECT PULSES OF FRESH TO STRONG WINDS OFF THE COAST OF NE COLOMBIA AND NW VENEZUELA MAINLY OVERNIGHT WITH SEAS REACHING AS HIGH AS 8 TO 10 FT OVER THE S CENTRAL CARIBBEAN THU AND THU NIGHT. FRESH TO STRONG E WINDS ARE ALSO LIKELY OVER THE GULF OF HONDURAS LATE THU AND LATE SAT. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL. NWPS USED FOR WAVE PARAMETERS. MEDIUM TO HIGH CONFIDENCE. A RIDGE WILL DOMINATE THE AREA THROUGH THE FORECAST PERIOD. IT WILL MAINTAIN GENERALLY LIGHT TO MODERATE E TO SE FLOW THROUGH MID WEEK EXCEPT FOR OCCASIONALLY MODERATE TO FRESH TRADE WINDS IN THE SOUTHERN BAHAMAS...TURKS AND CAICOS AND OFF HISPANIOLA. A PERSISTENT UPPER LOW CENTERED OVER THE CENTRAL BAHAMAS WILL CONTINUE TO ENHANCE SHOWERS AND A FEW THUNDERSTORM OVER THE BAHAMAS THROUGH THU. THE NORTHERN PORTION OF A TROPICAL WAVE WILL BRUSH WATERS S OF 22N THROUGH THE SOUTHERN BAHAMAS TODAY. THE NORTHERN PORTION OF ANOTHER TROPICAL WAVE WILL MOVE SOUTH OF THE AREA THROUGH SAT ENHANCING TRADE WIND FLOW S OF 22N. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... NONE. .SW N ATLANTIC INCLUDING THE BAHAMAS... NONE. $$ *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.