noun
Refers to the period when the sea level is at its lowest, exposing the shore. Often used in contexts like clam digging or beachcombing.
潮干の時に、浜辺で貝を拾った。
I picked up shells on the beach at low tide.
潮干狩りは夏の楽しみの一つだ。
Clam digging at low tide is one of the pleasures of summer.
Compound of 潮 (tide) and 干 (dry up, ebb). The reading しおひ is a native Japanese reading (kun'yomi).