The size of the island was still relatively stable in the first half of last century: in 1891 it had an area of  and, in 1937, . In 1957 the high-water free area was still , including about one acre of large dunes.
The island's size remained relatively unchanged during the early twentieth century: in 1891 it had a surface area of , and by 1937, . In 1957, the exposed land area was still , including roughly one acre of large sand ridges.