HAISHEN was a c0 tropical cyclone that formed in the Western Pacific open waters in 2026. The storm reached maximum sustained winds of 56 km/h (30 kt) with a minimum central pressure of 1002 hPa. Tracking across the Western Pacific open waters in the 西太平洋 basin (Northern Hemisphere), it potentially affected the Philippines, Palau and Micronesia during its lifecycle. The storm traveled from approximately 11°136° to 11°137°, crossing a range of 0° latitude and 1° longitude.