Wiktionary
foul wind
n. (context nautical English) A wind blowing against the direction of travel.
Usage examples of "foul wind".
He wondered if its flavor reflected something unwholesome, or if there was a foul wind about his new home that affected a man's mind.
A foul wind rushed across the land, bringing with it a sulfurous miasma that made Roran cough and gag.
Many had died running, caught alone by some creature of the Host with the walls shaking from the explosion that had marked the start of the battle and lamps going out in the foul wind that had followed.