Haitang was a C2 tropical cyclone that formed in the Philippine Sea in 2005. The storm reached maximum sustained winds of 194 km/h (105 kt) with a minimum central pressure of 920 hPa. Tracking across the Philippine Seain the Western Pacific basin (, it potentially affected the Philippines, Taiwan and Japan. The storm traveled from approximately 19.1°119.3° to 26.6°154.9°, crossing a range of 8 latitude and 36 longitude.