The Wash

a bay of the North Sea, on the eastern coast of Great Britain. The Wash is 35 km long and 24 km wide at its mouth. The depth in the central part reaches 40 m. The coasts are low-lying. Tides are semidiurnal, with a range of 7.6 m. The Witham, Welland, Nene, and Ouse rivers empty into the Wash. The port of King’s Lynn is situated on the bay.