noun
rising tide; beginning
Literally the point where the tide begins to rise; also used figuratively for the start of something, often with a sense of momentum or opportunity. Somewhat literary or poetic.
潮先が満ち始めると、漁に出る時合いだ。
When the tide starts to rise, it's time to go fishing.
彼の成功は、小さな潮先から始まった。
His success began from a small start.