000 AGXX40 KNHC 180436 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 100 AM EDT SUN MAY 18 2008 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. STATIONARY FRONT IN THE GULF OF MEXICO FROM TAMPA BAY TO BAY OF CAMPECHE WILL DISSIPATE TONIGHT. MOSTLY LIGHT WINDS ACROSS THE GULF THROUGH TUE...THEN LOW PRES OVER THE SOUTHERN PLAINS AND RIDGE ALONG 25N COMBINE INCREASE GRADIENT FOR 15-20 KT WINDS ACROSS THE WESTERN GULF WED AND THU. ATLC COLD FRONT FROM 29N65W TO CENTRAL FLORIDA WILL BECOME DIFFUSE LATE TONIGHT. TROUGH WILL MOVE OFF THE E U.S. COAST LATER TODAY AND INCREASE SW WIND N OF ABOUT 27N TONIGHT AND MON. ANOTHER TROUGH WILL MOVE OVER THE NW PORTION OF THE AREA LATE TUE NIGHT EARLY WED MORNING ONCE AGAIN INCREASING THE SW WINDS N OF AROUND 27N WE AND THU. THE SURFACE RIDGE OVER THE GREATER ANTILLES IS NOT PARTICULARLY STRONG SO THE TRADES OF 20 KNOTS OR MORE WILL BE LESS THAN NORMAL AND MOSTLY CONFINED TO THE SOUTHERN CARIBBEAN. WARNINGS... ATLC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. .FORECASTER DGS. TROPICAL PREDICTION CENTER.