000 AGXX40 KNHC 300537 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 140 AM EDT SUN MAR 30 2008 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. UPPER LEVELS... BROAD RIDGE IS ACROSS THE AREA OVER THE SOUTHERN CARIBBEAN WITH A RIDGE EXTENDING NORTH OVER THE WESTERN GULF OF MEXICO. WEAK WESTERLY FLOW IS NORTH OF 25N. BROAD CYCLONIC CIRCULATION WILL SLOWLY DEVELOP OVER THE BAHAMAS AND THE GRATER ANTILLES TODAY AND TONIGHT. THE SYSTEM WILL CONTINUE THROUGH THURSDAY. THE HEIGHT PATTERN WILL BE RATHER FLAT WITH WEAK GRADIENTS THROUGH THE PERIOD. SURFACE... STRONG RIDGE WILL BUILD NORTH OF THE ATLANTIC AREA THROUGH MONDAY THEN WILL WEAKEN SLIGHTLY AND MOVE SOUTH TO ALONG 31N WEDNESDAY AND FURTHER WEAKEN ALONG 31N THURSDAY. TRADES IN THE CARIBBEAN WILL BE MOSTLY LESS THAN NORMAL THROUGH EARLY MONDAY THEN WILL INCREASE OVER THE EASTERN CARIBBEAN AND TROPICAL ATLANTIC TO NEAR TO ABOVE NORMAL BEGINNING LATE MONDAY AND CONTINUE THROUGH THURSDAY. WARNINGS... ATLC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER LL