The Township of Derby on the southern end of the Gibb River Road, in The Kimberley, is renowned for its massive tides, up to 11.5 metres or 38 feet.

While The Doc was there the tides were a more restrained 8 metres. So The Doc went down to the Derby Wharf right on low tide (1.3 metres) and back again in the afternoon at high tide (9.39 metres). The difference in pictures: