Meaning of 海路 in Japanese

Definition of 海路

かいろ(kairo) · うみじ(umiji) · うなじ(unaji) 【海路】

(n-t) sea route
陸路を運ぶのは大変ですが、海路で運ぶのは簡単です。
It's very difficult to transport them overland, but simple to do so by sea.

まてばかいろのひよりあり(matebakaironohiyoriari) 【待てば海路の日和有り】

In the latest report, it is written that 90% of all the cocaine smuggled in the world is transported by sea, and most of that by speedboat.

待てば海路の日和ひよりあり。

Everything comes to those who wait.