W Arch

The Okinose W-Arch is located on the easternmost tip of Toyama Prefecture in Japan, specifically on the Etchu-Miyazaki Coast. Situated approximately 1 kilometer offshore, this dive site faces the open ocean, providing divers with a unique underwater experience. The water remains clear from spring through summer, although occasional strong currents can be encountered. With a depth of around 15 meters, this site is exceptionally rare due to the presence of two arches side by side, a phenomenon seldom found on the Sea of Japan side. Local folklore suggests that an ancient shrine once existed in this area, giving it a reputation as a power spot. Visiting this site is highly recommended for divers.

At the Okinose W-Arch, divers can expect to encounter a diverse range of marine life. From big snappers and amberjack to yellowtail, sunfish, peppers, kijihata, aohata, and horse mackerel, the variety of species is impressive. Additionally, the ecosystem here includes snappers, minnows, red snappers, Kerama snapper, yellowtail, yellow-bellied nudibranch, white nudibranchs, Sagami nudibranchs, and sea fans. This dive site offers an abundance of underwater life for divers to observe and enjoy.

To reach the Okinose W-Arch, it requires a short 5-minute boat ride from the harbor. The maximum depth of this site is approximately 30 meters, but divers should be aware that strong currents may occur on certain days. It is recommended that divers have an advanced or expert level of experience. Free dives are common for entry, necessitating precise control of dive speed and neutral buoyancy. With its diverse topographic features, rich marine life, macro photography opportunities, and underwater relics, this dive site is an attractive destination for divers with various interests.

For those planning to visit, the coordinates of the Okinose W-Arch's close location are Miyazaki, Asahi, Shimoniikawa County, Toyama Prefecture, 939-0703, Japan. The visibility generally reaches up to 10 meters, and the maximum depth is around 20 meters.