Foulness Island level, which was above the danger level for this part of the Essex coast. This level in itself was not a danger to the island, as the sea walls had been raised and strengthened between 1951 and 1952 by the War Office, and were above mean sea level. However, the high water was accompanied by strong winds, creating large waves, which broke over the top of the defences, washing away the earth banks on the inland side of the walls. Two sections of the wall breached, from Rugwood Head to Asplin's Head on the eastern side of the island, and
Nan'ao County of the county is the island of Nan'ao, which lies 2 – 5 miles off the coast of Guangdong. The county also includes a few minor islands nearby, in particular the Nanpeng Archipelago, a chain of islets located some to the southeast from the Nan'ao Island. The county has a land area of , and a population of 70,000. Nan'ao island lies on the Tropic of Cancer. Nan'ao County Nan'ao County (postal: Namoa; ) is a county in Shantou Prefecture-level city, Guangdong Province, China. Nan'ao Island remained under the control of the Nationalists for a few months after the Communists