ZCZC MIATCPAT4 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE IVAN ADVISORY NUMBER 25 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 11 AM AST WED SEP 08 2004 ...Dangerous Hurricane Ivan heading for the central Caribbean Sea... A hurricane warning remains in effect for Aruba...Bonaire...and Curacao. A hurricane watch and a Tropical Storm Warning remain in effect for The Guarjira Peninsula of Columbia...and for the entire Northern Coast of Venezuela. At 11 AM AST...1500z...the Government of Haiti has issued a Hurricane Watch for the entire Southwest peninsula of Haiti from the border of the Dominican Republic Westward...including Port Au Prince. A Tropical Storm...