North Island, 15m high at its SE end, is marked by Malpe Light, shown from a conspicuous square tower on the summit of the island.
Darya Bahadurgah Island, 16m high, lies about 183m SE of North Island.
South Island lies about 0.2 mile SE of Darya Bahadurgah Island and has a rock, with a least depth of 3.7m, about 0.2 mile SSE of it.
Caution.—Vessels in the vicinity of Black Rocks and Outer Rocks should not enter depths of less than about 15m by day or 22m by night.
Anchorage can be obtained, in 9m, mud, about 1 mile WNW of the light structure on North Island. Small vessels can anchor, in 6m, sand and mud, with the light structure bearing 185°, distant 0.5 mile. Small vessels can anchor, in 6.1m, mud and sand, about 0.5 mile E of the summit of South Island.