000 AGXX40 KNHC 060502 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 100 AM EDT THU OCT 6 2005 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. TROPICAL STORM TAMMY HAS MOVED INLAND AND TROPICAL STORM WARNINGS WILL LIKELY BE DISCONTINUED WITH THIS MORNINGS FORECAST PACKAGE. LATEST NHC ADVISORY WEAKENS TAMMY TO A TROPICAL DEPRESSION OVER GEORGIA TODAY AND THEN DISSIPATES IT ON FRI. LOW PRES CURRENTLY OVER THE YUCATAN CHANNEL IS EXPECTED TO MOVE TO THE NE ACROSS THE EASTERN GULF OF MEXICO AND POSSIBLY DEVELOP INTO A TROPICAL CYCLONE. THIS COMBINED WITH HIGH PRES IN THE ATLC N OF THE AREA WILL KEEP STRONG SLY WINDS OVER THE NW PORTION OF THE ATLC ZONE THROUGH THE END OF THE WEEK. COLD FRONT WILL APPROACH THE SE U.S. LATE FRI THEN WEAKEN AS IT MOVE INTO THE ATLC SAT AND SUN. AS MENTIONED ABOVE LOW PRES NEAR THE YUCATAN CHANNEL WILL MOVE INTO THE EASTERN GULF OF MEXICO LATER TODAY AND TONIGHT. A COLD FRONT CURRENTLY OVER THE CENTRAL U.S. WILL MOVE INTO THE GULF AND MERGE WITH THE LOW LATE TONIGHT OR FRI. STRONG NLY WINDS BEHIND THE FRONT WILL DECREASE LATE SAT AND SUN. PRESSURE GRADIENT REMAINS QUITE WEAK ACROSS THE CARIBBEAN. SLY WINDS SHOULD INCREASE TONIGHT AND FRI AS THE LOW IN THE YUCATAN CHANNEL STRENGTHENS AND MOVES INTO THE EASTERN GULF OF MEXICO. THE WINDS THEN DECREASE OVER THE WEEKEND. .WARNINGS... SUBJECT TO CHANGE BASE ON LATEST NHC ADVISORY. ATLANTIC... NONE CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER DGS