大おお潮しお

noun

spring tide

Refers to the tide with the greatest difference between high and low water, occurring around new and full moons. Often contrasted with 小潮 (こしお, neap tide).

See also: 小潮

• 大おお潮しおの日ひは潮しおの満みち引ひきが激はげしい。

  On spring tide days, the ebb and flow of the tide is strong.

• 大おお潮しおのときは干かん潮ちょうと満まん潮ちょうの差さが最さい大だいになる。

  During spring tides, the difference between low and high tide is greatest.