000 AGXX40 KNHC 050526 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 130 AM EDT SUN JUL 05 2009 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. UPPER LEVELS... WEAK DEEP LAYER TROUGH IS OVER THE WESTERN ATLANTIC AND EXTENDS ACROSS THE WESTERN BAHAMAS AND WESTERN CUBA TO OVER THE WESTERN CARIBBEAN. THE TROUGH WILL SLOWLY WEAKEN FURTHER AND BECOME DIFFUSE LATE MONDAY. WEAK TROUGH WILL DEVELOP OVER THE WESTERN GULF OF MEXICO TUESDAY THROUGH THURSDAY. ELSEWHERE WEAK RIDGE WILL PREVAIL. SURFACE... WEAK RIDGE ALONG 26N THROUGH THURSDAY. BROAD LOW DEVELOP OVER THE SOUTHEASTERN UNITED STATES LATE SUNDAY AND MONDAY. LOW WILL EXTEND EASTWARD NORTH OF THE AREA AND INCREASE THE SOUTHWESTERLY FLOW OVER THE NORTHERN PART OF THE AREA BEGINNING SUNDAY NIGHT. THIS FLOW WILL CONTINUE THROUGH WEDNESDAY THEN THE LOW WILL MOVE EAST OF THE AREA WITH LIGHTER SOUTHWESTERLY WINDS OVER THE NORTHERN PART OF THE AREA THURSDAY. SOUTH OF ABOUT 18N TRADES WILL BE NEAR NORMAL WITH THE STRONGEST WINDS IN THE SOUTH CENTRAL CARIBBEAN. WARNINGS ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FORECASTER LL. TROPICAL PREDICTION CENTER.