ZCZC MIATCPAT2 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE OLGA ADVISORY NUMBER 18 NATIONAL WEATHER SERVICE MIAMI FL 11 PM AST WED NOV 28 2001 ...OLGA WEAKENING WHILE MOVING SOUTHWESTWARD... AT 11 PM AST...0300Z...THE CENTER OF HURRICANE OLGA WAS LOCATED NEAR LATITUDE 29.9 NORTH...LONGITUDE 58.1 WEST OR ABOUT 425 MILES...685 KM...EAST-SOUTHEAST OF BERMUDA. OLGA IS MOVING TOWARD THE SOUTHWEST NEAR 13 MPH ...20 KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE ON THURSDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 75 MPH...120 KM/HR...WITH HIGHER GUSTS. OLGA IS FORECAST TO WEAKEN TO A TROPICAL STORM ON THURSDAY. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES... 35 KM... FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 290 MILES...465 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 987 MB...29.15 INCHES. LARGE OCEAN SWELLS FROM OLGA WILL CONTINUE TO AFFECT BERMUDA...PORTIONS OF THE U.S. EAST COAST...THE BAHAMAS...THE GREATER ANTILLES AND THE NORTHERN LESSER ANTILLES DURING THE NEXT FEW DAYS. REPEATING THE 11 PM AST POSITION...29.9 N... 58.1 W. MOVEMENT TOWARD...SOUTHWEST NEAR 13 MPH. MAXIMUM SUSTAINED WINDS... 75 MPH. MINIMUM CENTRAL PRESSURE... 987 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 5 AM AST...THURSDAY. FORECASTER PASCH NNNN