The first photo shows Wild Dog Creek, near Apollo Bay, swirling through a convoluted channel to the sea. One day earlier, before the high tide, the creek was draining in almost a straight line to the sea. One day later (second photo, taken at the same spot), a small waterfall had appeared, and the channel of the creek had changed again (another very high tide scouring and stirring the sandy beach. Ocean tidal and wave power.