noun
spring tide
Rare technical term for the tide that occurs around the new and full moons, when the tidal range is greatest. The common word is 大潮 (おおしお).
See also: 大潮
朔望潮は、新月と満月の頃に起こる潮の満ち干の差が大きい現象を指す。
朔望潮 refers to the phenomenon of large tidal range that occurs around the new and full moons.