Baffin Bay pack ice. Winds are predominantly north-western through the whole year. South-eastern and eastern winds are common in July and August. Between May and July (sometimes April), a significant portion of navigable open water (polynya) forms at the extreme north of the bay, presumably due to the relatively warm Greenland Current. With an area of about in summer, it is the largest polynya of the Canadian Arctic and covers the Smith Sound between the Ellesmere Island and Greenland. This polynya has a stable position and existed for at least 9,000 years. It was first described in 1616 by William Baffin and
North Cape, South Australia government area of the Kangaroo Island Council. North Cape, South Australia North Cape is a locality in the Australian state of South Australia located on the north coast of Kangaroo Island overlooking Investigator Strait about south-west of the state capital of Adelaide and about north of the municipal seat of Kingscote. Its boundaries were created in March 2002 for the “long established name” which was derived from the most northerly headland on the coastline. North Cape occupies land bounded by Investigator Strait to the north and by Nepean Bay and its subsidiary, the Bay of Shoals, to the east and