low tide
low tide
https://gyazo.com/d755d4bd5da0d5aba765c8c6dfbdddc5
source: By kallerna - Own work, CC BY-SA 3.0
noun
the state of the tide when at its lowest level:
干潮(時)(↔ high tide); 衰退の極み, どん底
e.g. islets visible at low tide.