#tidal https://www.hakaimagazine.com/features/watts-water "Twice a day, 14 billion tonnes of water move through the narrows between two steep headlands, Cape Split and Cape Sharp: that’s more than the combined flow of all the rivers on Earth. On the ocean floor, enormous boulders roll with every ebb and flow tide. When the Minas Basin fills, the weight of the water causes the surrounding land to measurably dip. At full flood, the passage is a riot of gyres and standing waves. The churned silt makes the water look like your latte, if your latte moved at five meters per second."