NHK was sent a video of the sea around "Kashunino Falls" in Shari Town, which is thought to be the site of the distress in the accident of a sightseeing boat off the coast of the Shiretoko Peninsula in Hokkaido.
Feeling of water temperature at this time "It hurts rather than cold"
The video is a diving guide who has been diving in the sea of Shiretoko for more than 40 years, and was taken when underwater photographer Katsunori Seki's diving companion dived in the sea around "Kashunino Falls" in September 2004. It's a thing.
The video shows rocks of various sizes rolling on the seabed and divers swimming through the gaps between the rocks.
According to Mr. Seki, there are places where there are rocks about the size of a house on the sandy seabed around the site, so it is necessary to be careful when navigating the ship.
Also, because strong tides may be flowing toward Cape Shiretoko, you can see in the video that even if the diver moves his legs, he does not move forward easily.
The picture was taken in September, but divers are wearing heavy diving suits and gloves.
According to Mr. Seki, the water temperature at this time is even lower than in September, and it feels more painful than cold, and even if you wear a suit, if you continue to dive for a long time, your body temperature will be deprived and you will be in a dangerous situation. It means that there are times.
Mr. Seki said, "A very disappointing accident has occurred. I was hoping that passengers would have landed or were on board a ship that had been washed away."