In-Fa was a C1 tropical cyclone that formed in the Philippine Sea in 2015. The storm reached maximum sustained winds of 176 km/h (95 kt) with a minimum central pressure of 935 hPa. Tracking across the Philippine Seain the Western Pacific basin (, it potentially affected the Philippines, Taiwan and Japan. The storm traveled from approximately 3.9°131.4° to 26.0°163.9°, crossing a range of 22 latitude and 32 longitude.