000 AGXX40 KNHC 191708 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 110 PM EDT SAT APR 19 2008 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. UPPER LEVELS... RIDGE OVER TEXAS AND A WEAK TROUGH OVER THE ATLANTIC AREA WITH AN AXIS ALONG 70W. THIS PATTERN WILL SLOWLY AMPLIFY THROUGH THURSDAY. SURFACE... A WEAK PRESSURE PATTERN WILL PREVAIL OVER THE AREA THROUGH THURSDAY WITH OCCASIONAL 20 KT SOUTHEAST RETURN FLOW OVER THE WESTERN GULF OF MEXICO. TRADES IN THE SOUTH CENTRAL CARIBBEAN WILL BE NEAR NORMAL WITH OCCASIONAL 30 KNOT WINDS NEAR THE COAST OF COLOMBIA. THESE WINDS WILL WEAKEN THROUGH THURSDAY. WARNINGS... ATLC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. .FORECASTER LL. TROPICAL PREDICTION CENTER.