000 AGXX40 KNHC 141750 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 150 PM EDT TUE OCT 14 2008 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO... CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. UPPER LEVELS... SHARP UPPER TROUGH OVER THE WEST GULF OF MEXICO COAST WILL CONTINUE INLAND AND WEAKEN THROUGH THE PERIOD. DEEP LAYER CUT-OFF CYCLONIC CIRCULATION CENTERED JUST NORTHEAST OF BERMUDA WITH AN ASSOCIATED TROUGH E OF 75W IN THE ATLANTIC AND EXTENDING OVER THE CARIBBEAN EXCEPT FOR THE NORTHWEST PART. THE SYSTEM IS WEAK SOUTH OF 20N. THE SYSTEM WILL REMAIN IN PLACE TROUGH WEDNESDAY NIGHT THEN BEGIN TO WEAKEN AND MOVE A LITTLE EAST THURSDAY AND FRIDAY. ANOTHER DEEP LAYER MIDDLE LATITUDE TROUGH BEGIN TO FORM OVER THE SOUTHEAST UNITED STATES FRIDAY AND EXTEND SOUTH TO 25N BY SATURDAY AND BY SUNDAY BE NORTH OF THE GREATER ANTILLES FROM 62W TO 85W WITH AN AXIS ALONG 75W. ELSEWHERE BROAD RIDGE WILL BE OVER THE AREA. SURFACE... SEE THE NATIONAL HURRICANE DISCUSSIONS FOR THE TWO TROPICAL SYSTEMS...ONE OMAR OVER THE EASTERN CARIBBEAN WILL BEGIN TO MOVE NORTHEAST TONIGHT AND STRENGTHEN BECOMING A HURRICANE IN THE NORTHERN TROPICAL ATLANTIC WATERS WEDNESDAY NIGHT OR EARLY THURSDAY THEN CONTINUE TO MOVE NORTHEAST. THE OTHER...TROPICAL DEPRESSION SIXTEEN WILL STRENGTHEN TO A TROPICAL STORM AND REMAIN IN THE WESTERN CARIBBEAN NEAR THE COAST OF HONDURAS BEFORE IT MOVES INLAND IN THE GULF OF HONDURAS FRIDAY. OTHERWISE RIDGE OVER THE SOUTHEAST UNITED STATES WILL GRADUALLY WEAKEN AS A COLD FRONT ASSOCIATED WITH THE SECOND DEEP LAYER TROUGH MENTIONED ABOVE MOVES OFF THE TEXAS COAST LATE FRIDAY AND HIGH PRESSURE BUILDS OVER THE SOUTHEAST UNITED STATES BEHIND THE FRONT. A LOW DEVELOPS OFF THE CAROLINA COAST LATE FRIDAY AND MOVES SLOWLY NORTHEAST. ASSOCIATED WINDS WILL IMPACT THE NORTHERN ATLANTIC WATERS MAINLY BEHIND THE COLD FRONT. WARNINGS... ATLANTIC... NONE. CARIBBEAN... AMZ082...TROPICAL STORM WARNING...TD SIXTEEN. AMZ086...TROPICAL STORM WARNING...TS OMAR. GULF OF MEXICO... NONE. FORECASTER LL. TROPICAL PREDICTION CENTER.