訓 しお,うしお ・ 音 チョウ
Sino-Vietnamese: triều
Water 氵 plus 朝 (morning, triều): sea water rising in the morning, as in Vietnamese thủy triều (tide).
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
今が引退の潮時だ。 (いまがいんたいのしおどきだ)
Now is the right time to retire.