Choi-Wan was a TS tropical cyclone that formed in the East China Sea in 2015. The storm reached maximum sustained winds of 111 km/h (60 kt) with a minimum central pressure of 960 hPa. Tracking across the East China Seain the Western Pacific basin (, it potentially affected Japan, Korea, Taiwan and eastern China. The storm traveled from approximately 19.1°149.1° to 38.5°166.1°, crossing a range of 19 latitude and 17 longitude.