000 AGXX40 KNHC 091818 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 215 PM EDT TUE APR 9 2013 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND TROPICAL N ATLC...AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... HIGH PRESSURE RIDGE PREVAILS ALONG 32N MAINTAINING SE RETURN FLOW ACROSS THE GULF WATERS. LATEST OBSERVATIONS DEPICT FRESH TO STRONG RETURN FLOW OVER THE WESTERN GULF WITH MODERATE TO FRESH WINDS OVER THE EAST GULF. SEAS RANGE FROM 6 TO 8 FT OVER THE WESTERN GULF AND 4 TO 6 FT OVER THE E GULF...EXCEPT 2 TO 3 FT OVER THE FAR NE GULF WATERS. THE HIGH PRESSURE RIDGE WILL REMAIN IN PLACE THROUGH WED WITH SE RETURN FLOW PREVAILING. THE RIDGE WILL RETREAT EASTWARD ON WED ENABLING A COLD FRONT TO SHIFT INTO THE NW GULF WATERS WED NIGHT. STRONG TO NEAR GALE WINDS WILL PREVAIL W OF THE FRONT S OF 25N EARLY THU THROUGH THU AFTERNOON. THE COLD FRONT WILL SHIFT ACROSS THE GULF WATERS AND EXTEND FROM MOBILE BAY TO W BAY OF CAMPECHE THU EVENING...FROM NEAR TAMPA BAY TO TAMPICO MEXICO FRI ... THEN STALL FROM NEAR FORT MYERS FLORIDA TO MEXICAN COAST ALONG 25N SAT. SW N ATLC S OF 31N W OF 55W... HIGH PRES NEAR BERMUDA WILL CONTINUE TO DOMINATE THE REGION THROUGH THE REST OF THE WEEK. LATEST OBSERVATIONS INDICATE MODERATE TO FRESH TRADEWINDS WITH SEAS 5 TO 7 FT E OF THE BAHAMAS...AND 2 TO 4 FT W OF THE BAHAMAS. A STATIONARY FRONT ACROSS THE SOUTHERN ZONES WILL DRIFT NORTHWARD OVER THE NEXT DAY BEFORE DISSIPATING BY THU. THE RIDGE WILL SHIFT SOUTHWARD OVER THE NEXT FEW DAYS WITH WINDS VEERING OVER THE WESTERN PART OF THE FORECAST AREA. WINDS OVER THE NW PART OF THE FORECAST AREA WILL INCREASE THU NIGHT AND FRI AHEAD OF THE NEXT COLD FRONT TO SHIFT OFF THE SE COAST OF THE UNITED STATES ON FRI NIGHT. THIS FRONT WILL SHIFT EASTWARD ACROSS THE WATERS N OF 27N THROUGH SAT. CARIBBEAN SEA AND TROPICAL N ATLC S OF 22N W OF 55W... HIGH PRESSURE CENTERED OVER BERMUDA HAS HELPED TIGHTEN THE PRESSURE GRADIENT OVER THE CENTRAL CARIBBEAN. LATEST OBSERVATIONS INDICATE FRESH TO STRONG WINDS PREVAIL OVER THE CENTRAL CARIBBEAN AND OVER THE WESTERN CARIBBEAN INCLUDING THE GULF OF HONDURAS. SEAS OVER THE CENTRAL CARIBBEAN ARE 8-10 FT...OVER THE WESTERN CARIBBEAN INCLUDING THE GULF OF HONDURAS ARE 6-8 FT...AND 4-6 FT OVER THE REMAINDER OF THE CARIBBEAN WATERS. WITH A RIDGE PREVAILING N OF THE AREA...FRESH TO STRONG TRADES OVER THE CENTRAL CARIBBEAN AND THE WESTERN CARIBBEAN INCLUDING THE GULF OF HONDURAS WILL PREVAIL. GENTLE TO MODERATE TRADES WILL PREVAIL ACROSS THE TROPICAL N ATLC WATERS THROUGH THU. AS HIGH PRESSURE SHIFT N OF THE TROPICAL N ATLC WATERS THU...WINDS WILL FRESHEN THROUGH SAT. WARNINGS... GULF OF MEXICO... .NONE. CARIBBEAN SEA AND TROPICAL N ATLC... .NONE. SW N ATLC... .NONE. EFFECTIVE 20 MARCH 2013...TAFB GRIDDED MARINE FORECASTS FOR 10-M WINDS...10-M WIND GUSTS...SIGNIFICANT WAVE HEIGHTS AND HAZARDS ARE AVAILABLE IN THE NATIONAL DIGITAL FORECAST DATABASE (NDFD) ON AN EXPERIMENTAL BASIS AT: HTTP://PREVIEW.WEATHER.GOV/GRAPHICAL ADDITIONAL INFORMATION IS AVAILABLE AT WWW.NWS.NOAA.GOV/OM/NOTIFICATION/PNS13OFFSHORE_HIGHSEAS.HTM NOTE...GRIDDED MARINE FORECASTS AT WWW.NHC.NOAA.GOV/TAFB/GRIDDED_MARINE WILL BE DISCONTINUED ONCE THE "OCEANIC" VIEW IS ADDED TO THE EXPERIMENTAL NDFD GRAPHICAL INTERFACE. $$ FORECASTER AL