Baffin Bay less than deep near the coast, where the sea bottom is covered with gravel, crushed stone and sand. In the center, there is a deep pit called the Baffin Basin, reaching (see ), which is mostly covered in silt. Currents form a cyclonic circulation. On the eastern periphery, in summer, the West Greenland Current transports water from the Atlantic Ocean to the North. In its western part, the Baffin Island Current brings the Arctic waters to the south. The climate is Arctic with frequent storms, especially in winter. Average January temperatures are in the south and on the north. In
East Bay (Nova Scotia) north of Boularderie Island and the Little Bras d'Or Channel to south of Boularderie Island, the waters of East Bay are brackish, partially fresh/ salt water. East Bay opens to the south-west directly onto the Bras d'Or Lake and lies between the Boisdale Hills to the north and the East Bay Hills to the south. The bay measures wide at its mouth, between Benacadie Point to the north, and Middle Cape to the south and runs easterly to its terminus at Portage. East Bay has of shoreline. The bay's shores are generally heavily wooded and consist mainly of bold and