Arctic Ocean Atlantic Ocean Click to see full answer Moreover, what ocean is Hudson Bay part of? Arctic Ocean Also Know, what formed Hudson Bay? Hudson Bay occupies the southernmost portion of the Hudson Bay Lowlands, a depression in the Canadian Shield formed during the Pleistocene epoch by the weight of the continental ice sheet. As the ice retreated, the region was flooded by the sea, and sediments were deposited in it. Besides, is Hudson Bay a sea? The bay is relatively shallow and is considered an epicontinental sea, with an average depth of about 100 m (330 ft) (compared to 2,600 m (8,500 ft) in the Bay of Bengal). Some sources describe Hudson Bay as a marginal sea of the Atlantic Ocean, or the Arctic Ocean.How deep is the Hudson Bay? 270 m
