or S.S.W., s.s.w.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for ssw
Those that go thither must take the sea wind, which is from the SSW, for there is no going in with the land wind.History of the Buccaneers of America
Candahar valley is of great extent to the westward, or south-west and SSW.