Haitang was a TS tropical cyclone that formed in the Philippine Sea in 2017. The storm reached maximum sustained winds of 83 km/h (45 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 18.1°115.7° to 27.6°120.5°, crossing a range of 10 latitude and 5 longitude.