southwesterly

[ south-wes-ter-lee; Nautical sou-wes-ter-lee ]

/ ˌsaʊθˈwɛs tər li; Nautical ˌsaʊˈwɛs tər li /

toward or from the southwest.

Origin of southwesterly

1700–10; southwest + -erly (see easterly)

Before a strong east wind, the St. Peter on that day made fifty miles on a southwesterly course.

Vitus Bering: the Discoverer of Bering Strait |Peter Lauridsen
Emerald Bay is about three miles in length, with a southwesterly trend, and half a mile wide.

The Lake of the Sky |George Wharton James
Again you can note the shadows at this time, and it would appear as a southwesterly sun.

Warren Commission (4 of 26): Hearings Vol. IV (of 15) |The President's Commission on the Assassination of President Kennedy
In fact, its path for migration passed over the Point in a southwesterly direction.

The Black Moose in Pennsylvania |Henry W. Shoemaker

On June 9, 1915, the Italians made their swift stroke in a southwesterly direction from their Isonzo line.

The Story of the Great War, Volume III (of VIII) |Various

southwesterly

/ (ˌsaʊθˈwɛstəlɪ, nautical ˌsaʊˈwɛstəlɪ) /

in, towards, or (esp of a wind) from the southwest

a wind or storm from the southwest