000 AGXX40 KNHC 141711 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 110 PM EDT THU APR 14 2011 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... A COLD FRONT EXTENDS FROM THE STRAITS OF FLORIDA OFF THE CUBAN COAST TO THE CENTRAL GULF NEAR 26N88W. THE FRONT WEAKENING AND WILL LIKELY BECOME DIFFUSE LATER TODAY. SIMILARLY...A SURFACE TROUGH ALONG 92W IN THE BAY OF CAMPECHE IS BECOMING LESS DISTINCT. LIGHT TO MODERATE SE FLOW PREVAILS ACROSS THE GULF...ON THE SW PERIPHERY OF HIGH PRES CENTERED OVER THE EASTERN UNITED STATES. THE SE FLOW WILL INCREASE TONIGHT OVER THE WESTERN GULF AHEAD OF A COLD FRONT MOVING THROUGH THE SOUTHERN PLAINS. THE FRONT WILL MOVE OFF THE TEXAS COAST ON FRI...AND REACH FROM 30N88W TO 18N95W. FRESH SW FLOW WILL PRECEDE THE FRONT OVER THE NORTHERN GULF WATERS...AND FRESH NORTHERLY FLOW WILL FOLLOW THE FRONT THROUGH SAT. THE FRONT WILL PUSH INTO THE SE GULF WATERS LATE SAT...AND BECOME DIFFUSE SUN. FOR EARLY NEXT WEEK...SOUTHERLY RETURN FLOW WILL INCREASE OVER THE WESTERN GULF STARTING LATE SUN AS HIGH PRES BEHIND THE FRONT SHIFTS EAST. SOUTHERLY WINDS WILL INCREASE ACROSS THE GULF MON AND TUE BETWEEN THE HIGH PRES TO THE EAST AND DEEPENING LOW PRES OVER THE CENTRAL PLAINS. SOUTHWEST N ATLC W OF 55W... AN UPPER TROUGH IS MOVING EAST THROUGH 73W. SHOWERS AND THUNDERSTORMS ACCOMPANYING AN ASSOCIATED COLD FRONT EXTENDING FROM 31N72W TO S FLORIDA. THE FRONT WILL STALL FROM 31N68W TO THE NW BAHAMAS TONIGHT AND GRADUALLY DISSIPATE THROUGH FRI. A RIDGE WILL BUILD BETWEEN BERMUDA TO THE FLORIDA STRAITS FRI NIGHT. SOUTHERLY WINDS WILL INCREASE N OF THE NORTHERN BAHAMAS AHEAD OF THE NEXT COLD FRONT MOVING OFF THE N FLORIDA COAST SAT NIGHT. THIS SECOND FRONT WILL STALL FROM 31N72W TO SE FLORIDA SUN NIGHT AND MON...BEFORE BECOMING DIFFUSE MON NIGHT. HIGH PRES BUILDS N OF THE AREA OFF THE CAROLINAS. FRESH NE TO E TRADES WILL SET UP S OF 27N BETWEEN THE HIGH PRES TO THE NORTH AND A TROUGH SETTING UP BETWEEN 55W AND 60W S OF 25N. NE SWELL OF 8 TO 10 FT WILL MOVE INTO THE AREA N OF 22N...E OF 55W. CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W... SHOWERS PERSIST OVER THE WINDWARD AND LEEWARD ISLANDS...SE OF A BROAD UPPER TROUGH EXTENDING FROM HISPANIOLA TO PANAMA. GENERALLY E TO SE LIGHT TO MODERATE FLOW PERSISTS ACROSS THE ENTIRE CARIBBEAN...WITH SEAS LESS THAN 5 FT OVER MOST AREAS. SE FLOW WILL INCREASE TONIGHT OVER THE NW CARIBBEAN...PARTICULARLY IN THE GULF OF HONDURAS...AS HIGH PRES BUILDS NE OF THE BAHAMAS. A SURFACE TROUGH WILL SET UP BETWEEN 55W AND 60W THIS WEEKEND...AND REMAIN QUASI-STATIONARY THROUGH TUE. WINDS INCREASE OFF THE SOUTH AMERICAN COAST E OF 77W...PARTICULARLY OFF COLOMBIA. AS A RESULT...FRESH NE FLOW WILL SET UP THROUGH THE MONA PASSAGE TO SOUTH OF THE DOMINICAN REPUBLIC COAST THROUGH THE WEEKEND. WARNINGS.. ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER CHRISTENSEN