000 AGXX40 KNHC 100630 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 130 AM EST MON DEC 10 2007 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. UPPER LEVELS... TROUGH ASSOCIATED WITH THE SUBTROPICAL/TROPICAL SYSTEM IS JUST NORTHEAST OF THE LEEWARD ISLANDS AND IS FORECAST TO MOVE WEST REACHING HISPANIOLA TUESDAY NIGHT THEN TO WEAKEN OVER THE NORTHWEST CARIBBEAN THURSDAY AND FRIDAY. OTHERWISE LARGE RIDGE OVER THE AREA THROUGH WEDNESDAY. THE RIDGE WILL MOVE SOUTH SOME THURSDAY AND FRIDAY AS THE WESTERLIES MOVE SOUTH TO THE NORTHERN GULF OF MEXICO AND FLORIDA. SURFACE... RIDGE JUST NORTH OF THE AREA COUPLED WITH TROUGH OVER THE LESSER ANTILLES PRODUCING GALE WINDS IN THE ATLANTIC AREA JUST NORTH OF THE LEEWARD ISLANDS AND THE EASTERN GREATER ANTILLES. THIS SYSTEM FORECAST SIMILAR TO THE UPPER SYSTEM WITH THE TROUGH AND ASSOCIATED PRESSURE GRADIENT WEAKENING AS THE TROUGH MOVES OVER THE NORTHWEST CARIBBEAN THURSDAY AND FRIDAY. WEAK FRONT MOVE OFF TEXAS COAST THURSDAY AND REMAIN WEAK OVER THE NORTH AND NORTHWEST GULF THROUGH FRIDAY. WARNINGS... ATLANTIC...GALE AMZ087 AND AMZ080. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER LL