000 AGXX40 KNHC 140627 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 225 AM EDT MON JUL 14 2008 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. SW N ATLC... ASCAT DATA FROM LAST EVENING SHOW 25 KT WINDS ON THE WESTERN PERIPHERY OF TROPICAL STORM BERTHA EXTENDING ABOUT 90 NM WEST OF 65W. THE STORM IS STILL WALLOWING TO THE SOUTHEAST OF BERMUDA...AND IS FORECAST KEEP TO THE EAST OF THE ISLAND. SEE WTNT22 KNHC FOR FURTHER DETAILS. ELSEWHERE 1018 MB HIGH PRES IS CENTERED NEAR 27N70W...MAINTAINING GENERALLY LIGHT WINDS OVER THE AREA NE OF THE BAHAMAS. MEANWHILE A BROAD MID/UPPER LEVEL TROUGH IS DIGGING THROUGH THE EASTERN SEABOARD WITH ASSOCIATED SURFACE LOW PRES CENTERS AND A WEAK FRONTAL BOUNDARY MOVING INTO THE SOUTHEAST U.S. RECENT SCATTEROMETER AND BUOY DATA SHOW THE RESULTANT MODERATE TO FRESH SW WINDS N OF THE BAHAMAS. FOR THE UPCOMING WEEK...THE WEAK LOW PRES AND FRONT COMING OFF THE CAROLINA COAST DISSIPATE THROUGH MID WEEK...LEAVING HIGH PRES BUILDING BETWEEN THE CAROLINAS AND BERMUDA. MEANWHILE...A HIGH AMPLITUDE TROPICAL WAVE WILL MOVE THROUGH THE CARIBBEAN TO THE SOUTH OF THE AREA...RESULTING IN FRESH EAST WINDS FROM THE VIRGIN ISLANDS THROUGH THE SOUTHERN BAHAMAS BY TUE...AS WINDS N OF THE BAHAMAS AND ON THE PERIPHERY OF THE EXITING T.S. BERTHA DIMINISH. CARIBBEAN AND TROPICAL N ATLC... A PAIR OF WELL-DEFINED TROPICAL WAVES WILL BE THE MAIN WEATHER MAKERS OVER THE NEXT SEVERAL DAYS. ONE IS JUST TO THE EAST OF THE LESSER ANTILLES NEAR 60W. THE WAVE WILL TRAVEL WEST AND REACH THE CENTRAL CARIBBEAN NEAR 75W BY WED...AS A RIDGE OF HIGH PRES BUILDS TO THE NORTH IN THE WAKE OF BERTHA. THE INTERACTION BETWEEN THIS HIGH PRES AND THE WAVE WILL ALLOW EASTERLY WINDS TO INCREASE ACROSS THE CARIBBEAN. HIGH PRES WILL BUILD OVER THE EASTERN U.S. AS WELL LATE IN THE WEEK JUST AS THE WAVE PUSHES THROUGH THE WESTERN CARIBBEAN...MAINTAINING FRESH TO STRONG E WINDS OVER MUCH OF THE CARIBBEAN BASIN. THE SECOND WAVE IS CENTERED NEAR 40W S OF 16N WITH A 1008 MB LOW CENTERED NEAR 9N40W. THERE ARE ALREADY GOOD SIGNS OF ROTATION ON SATELLITE IMAGERY...AND A SHIP REPORTED WEST WINDS TO THE SOUTH OF THE LOW A FEW HOURS AGO. THIS LOW MAY DEVELOP INTO THE DEPRESSION LATER TODAY. AT ANY RATE...THE WAVE/LOW COMPLEX IS EXPECTED TO MOVE WEST AND BRING INCREASED WINDS/SEAS ALONG WITH COPIOUS SHOWERS/THUNDERSTORMS INTO THE WATERS N OF GUYANA AND EAST OF THE WINDWARD ISLANDS STARTING THU. GULF OF MEXICO... A RIDGE OF HIGH PRES REMAINS SITUATED FROM THE WEST TIP OF CUBA TO TEXAS COAST...WITH WEAK LOW PRES TO THE NORTHEAST OVER GEORGIA. THE WEAK PRES PATTERN WILL MAINTAIN GENERALLY LIGHT WINDS AND NEARLY FLAT SEAS OVER MUCH OF THE GULF THROUGH THE UPCOMING WEEK. THE EXCEPTIONS INCLUDE 10 TO 15 KT SOUTHERLY WINDS ALONG THE TEXAS COAST...AND 10 TO 15 KT EASTERLY WINDS OVER THE SOUTHERN BAY OF CAMPECHE. WARNINGS... ATLANTIC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. .FORECASTER CHRISTENSEN. TROPICAL PREDICTION CENTER.