000 AGXX40 KNHC 301727 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 130 PM SAT SEP 30 2006 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. UPPER LEVELS... LONGWAVE TROUGH IS OVER THE AREA NORTH OF 25N WITH AN AXIS OVER THE EASTERN GULF OF MEXICO AND FLORIDA. THE TROUGH WILL MOVE EAST WITH AXIS ALONG 75W SUNDAY AND ALONG 70W LATE MONDAY AND WEAKEN TUESDAY THROUGH THURSDAY. RIDGE WILL BUILD OVER THE SOUTHEAST U.S. THROUGH THURSDAY. SURFACE... TRADES IN SOUTH CENTRAL CARIBBEAN WILL WEAKEN SOME MONDAY AND TUESDAY THEN CHANGE LITTLE THROUGH THURSDAY. NO SIGNIFICANT FRONTS THROUGH THURSDAY. RIDGE WILL BUILD OVER THE SOUTHEAST U.S. WITH INCREASING WINDS OVER THE NORTHERN BAHAMAS AND THE SOUTHEAST GULF OF MEXICO AND THE STRAITS OF FLORIDA TUESDAY AND CONTINUE THROUGH THURSDAY. WARNINGS... ATLANTIC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER LL