000 AGXX40 KNHC 230715 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 315 AM EDT MON MAR 23 2009 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. UPPER LEVELS... BROAD TROUGH IS OVER THE AREA EAST OF A LINE THROUGH 31N80W TO THE BAY OF CAMPECHE. THE TROUGH WILL MOVE EAST PASSING EAST OF 65W THURSDAY AND EAST OF 60W FRIDAY. MODERATE RIDGE WEST OF THE TROUGH CENTERED ALONG THE TEXAS COAST TODAY WILL EXPAND EASTWARD AS THE TROUGH MOVES EAST AND BY FRIDAY THE RIDGE AXIS WILL BE ALONG 80W. SURFACE... RIDGE ALONG THE EAST UNITED STATES COAST THROUGH TUESDAY WILL MOVE EAST TO ALONG 75W WEDNESDAY AND TO ALONG 70W THURSDAY WITH A HIGH CENTERED NEAR 27N67W FRIDAY. TROUGH OVER TEXAS TODAY WILL WEAKEN TONIGHT AND TUESDAY THEN CHANGE LITTLE THROUGH FRIDAY. ATLANTIC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER LL. TROPICAL PREDICTION CENTER.