Pedra Branca (formerly referred to by Malaysia as Pulau Batu Puteh and now as Batu Puteh) is an outlying island and also the easternmost point of Singapore. The name means "white rock" in Portuguese (Portuguese pronunciation: [ˈpɛðɾɐ ˈβɾɐ̃kɐ]), and refers to whitish guano (bird droppings) deposited on the rock. The island consists of a small outcrop of granite rocks with an area of about 8,560 square metres (92,100 sq ft). During the low water spring tide it measures, at its longest, 137 metres (449 ft) and has an average width of 60 metres (200 ft). It is situated at 1° 19′ 48″ N and 104° 24′ 27″ E, where the Singapore Strait meets the South China Sea. There are two maritime features near Pedra Branca. Middle Rocks, under the sovereignty of Malaysia, consists of two clusters of small rocks about 250 metres (820 ft) apart situated 0.6 nautical miles (1.1 km; 0.7 mi) south of Pedra Branca.