000 AGXX40 KNHC 080617 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 120 AM EST TUE JAN 8 2008 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. UPPER LEVELS... TROUGH OVER THE ATLANTIC AND CARIBBEAN EAST OF 73W AND RIDGE WEST OF 73W. TROUGH WILL REMAIN IN PLACE AND INTENSIFY SLIGHTLY THROUGH THURSDAY. THE TROUGH WILL WEAKEN SATURDAY AND MOVE EAST. THE RIDGE WILL GRADUALLY WEAKEN AS WESTERLY WINDS EXTEND SOUTHWARD SLOWLY. BY SATURDAY WEST TO SOUTHWESTERLY FLOW WILL EXTEND SOUTH TO ABOUT 20N WEST OF 75W. SURFACE... STRONG RIDGE JUST NORTH OF THE AREA WILL WEAKEN THROUGH THURSDAY. TROUGH WILL DEVELOP IN THE ATLANTIC JUST EAST OF THE AREA BEGINNING WEDNESDAY AND DRIFT WEST TO 55W THURSDAY AND 60W FRIDAY AND WEAKEN SATURDAY. COLD FRONT MOVE OFF TEXAS COAST LATE TODAY AND WEAKEN OVER THE NORTHWEST GULF WEDNESDAY. ANOTHER WEAK COLD FRONT WILL MOVE OFF TEXAS COAST THURSDAY AND EXTEND DIAGONALLY ACROSS THE GULF FROM THE BIG BEND TO NORTHEAST MEXICO FRIDAY AND SATURDAY. WARNINGS... ATLANTIC... NONE. CARIBBEAN... GALE WARNING... GULF OF MEXICO... NONE. FORECASTER LL