Bolaven was a TS tropical cyclone that formed in the Philippine Sea in 2005. The storm reached maximum sustained winds of 102 km/h (55 kt) with a minimum central pressure of 985 hPa. Tracking across the Philippine Seain the Western Pacific basin (, it potentially affected the Philippines, Taiwan and Japan. The storm traveled from approximately 5.4°121.3° to 19.1°133.7°, crossing a range of 14 latitude and 12 longitude.