tidal hour; time of the tide
Refers to the time when the tide is at a certain stage, especially high or low tide. Often used in fishing and maritime contexts.
潮時を調べてから釣りに出かけた。
I checked the tide times before going fishing.
right time; opportune moment; chance
Figurative use derived from the tidal sense. Indicates the best timing for an action, often with a nuance of seizing a fleeting opportunity. Common in expressions like 潮時だ (it's the right time) or 潮時を見計らう (wait for the right moment).
そろそろ潮時だ。
It's about time.
彼は潮時を見計らって辞表を出した。
He waited for the right moment and handed in his resignation.
I think it's about time I quit the company.
He was watching for the right moment to end the negotiations.
I missed the right moment and now regret it.
Maybe the time has come to end this relationship.