EASTERLY

Definition:

[adverb] from the east; "the winds blew easterly all night"
[noun] a wind from the east
Synonyms: east wind, easter
[adjective] lying in or toward the east; "the east side of NY"; "eastern cities"
Synonyms: eastern
[adjective] from the east; used especially of winds; "an east wind"; "the winds are easterly"
Synonyms: eastern