foul wind

(nautical) A wind blowing against the direction of travel.

Japanese Meaning

航海中の進行方向に逆らって吹く風、つまり向かい風

The captain ordered the sails trimmed to cope with the foul wind that had slowed their progress all morning.

船長は、その朝ずっと進行を遅らせていた向かい風に対処するため、帆を調整するよう命じた。

Sense（1）

(nautical) A wind blowing against the direction of travel.

We lost several hours having to tack into a foul wind just off the coast.

foul winds

（ plural ）