Surfing – Wave Pool Japan

“Water is sucked up into vertical storage tanks and then dropped, somewhat like a toilet flushing, to form a downward surge. The released water compresses and rebounds off the bottom of the pool, surging upwards and forwards. When coupled with the abrupt bottom contours of the pool, this surge forms a jacking 6-foot wave with groundswell-like strength. Surfable waves up to 8 feet and a 10-foot closeout are possible, although surfing quality suffers beyond the optimum 6-foot size.” Found Via Kim Gee-wing.