roaring forties
Noun
Meaning
roaring forties pl (plural only)
(geography, meteorology) The area of the earth between 40 and 50 degrees south, prone to gale-force westerly winds.
Examples
After a four-week stay on the island both ships left on 8 October using the Roaring Forties to sail east as fast as possible.
ISBN 0-7022-1275-X In 1611 Hendrik Brouwer working for VOC discovered that sailing from Europe to Batavia was much quicker if the Roaring Forties were used.
Starting in Mauritius both ships left on 8 October using the Roaring Forties to sail west as fast as possible.
The severe weather is due to the mountain's jutting into powerful westerly winds of the Roaring Forties which run around approximately 45°S latitude, south of both Africa and Australia.