000 AGXX40 KNHC 250902 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 315 AM EDT WED MAR 25 2009 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. UPPER LEVELS... LONGWAVE TROUGH OVER THE AREA EAST OF 75W. TROUGH WILL MOVE EAST PASSING EAST OF 65W THURSDAY AND EAST OF 60W FRIDAY. NEXT LONGWAVE TROUGH MOVE OFF TEXAS COAST FRIDAY AND BE WEST OF 85W SATURDAY THEN WEAKEN WEST OF 75W SUNDAY. MODERATE RIDGE IS BETWEEN THE TWO TROUGHS. SURFACE... RIDGE ALONG 75W WILL MOVE SLOWLY EAST REACHING ALONG 70W LATE THURSDAY AND ALONG 65W LATE FRIDAY THEN DRIFT TO 60W ON SUNDAY. STRONG COLD FRONT MOVE OFF TEXAS COAST MIDDAY FRIDAY AND REACH THE EAST GULF MIDDAY SATURDAY THEN WEAKEN MOSTLY SOUTH OF 25N AND BE ALONG A LINE THROUGH 31N75W TO THE NORTHWEST CARIBBEAN SUNDAY. GALE CONDITIONS ARE FORECAST FOR THE SOUTHWEST GULF OF MEXICO BEHIND THE FRONT SATURDAY. ATLANTIC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER LL. TROPICAL PREDICTION CENTER.