000 AGXX40 KNHC 111724 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 230 PM EDT SUN JUL 11 2004 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. UPPER LEVELS... RIDGE OVER THE AREA THROUGH TUESDAY BEGINS TO BREAKDOWN OVER THE WESTERN ATLANTIC...FLORIDA AND THE EASTERN GULF OF MEXICO WEDNESDAY. TROUGH IS OVER THE WESTERN ATLANTIC THURSDAY AND IT SLOWLY MOVES WEST TO OVER THE EASTERN GULF OF MEXICO BY LATE FRIDAY. SURFACE... SW N ATLC... RIDGE ALONG ABOUT 30N WILL SHIFT SOUTH AS A SURFACE TROUGH ASSOCIATED WITH THE ABOVE MENTIONED UPPER TROUGH DEVELOPS OVER THE SOUTHEASTERN U.S. WEDNESDAY. THE RIDGE WILL MOVE SOUTH TO ABOUT 25N THURSDAY. THE TROUGH SLOWLY INTENSIFIES THURSDAY AND EXTENDS SOUTH TO NEAR 25N OVER THE EASTERN GULF OF MEXICO AND FLORIDA. BY FRIDAY THE TROUGH SHOWS SIGNS OF WEAKENING WITH THE RIDGE BUILDING SLIGHTLY. WIND WILL REACH 20 KNOT RANG SOUTHEAST OF THE TROUGH. TROPICAL ATLANTIC AND CARIBBEAN... AS A RESPONSE TO THE RIDGE TO THE NORTH NEAR NORMAL TRADES EARLY IN THE PERIOD WILL FALL TO BELOW NORMAL BY WEDNESDAY. TRADES WILL STAY BELOW NORMAL IN THE CARIBBEAN THROUGH FRIDAY BUT WILL RECOVER TO MORE NEAR NORMAL FRIDAY OVER THE TROPICAL ATLANTIC. GULF OF MEXICO... TROPICAL WAVE COUPLED WITH UPPER LOW CAUSING INCREASED CONVECTION OVER THE SOUTHWEST PART OF THE GULF. THE WEATHER SHOULD CONTINUE TO MOVE SLOWLY WEST CLEARING THE AREA MONDAY. OTHERWISE WIND OVER THE GULF WILL BE LIGHT...GENERALLY LESS THAN 15 KT. THE UNUSUAL ASPECT IS THE ABOVE MENTIONED TROUGH WILL SPREAD WESTERLY WIND OVER THE GULF N OF 25N WEDNESDAY AND THIS WILL CONTINUE THROUGH FRIDAY. THESE WINDS WILL ALSO BE LIGHT. WARNINGS... NONE. $$ FORECASTER LL