Water Angels Complete Tsugaru Channel Relay Courtesy of Masayuki Moriya, Ocean Navi, Tsugaru Channel, Japan. On July 24th, the Water Angels completed a 6-person relay across the Tsugaru Channel from Honshu to Hokkaido in northern Japan in 13 hours 48 minutes. The Ocean Navi relay members included Ikumi Ito, Takako Uchikuira, Ruriko Tani, Toshinori Hazama,