From Longman Dictionary of Contemporary Englishspring tideˌspring ˈtide noun [countable] HEOa large rise and fall in the level of the sea at the time of the new moon and the full moon → neap tide
Examples from the Corpus
spring tide• Outside, the mob surged around me, retiring and returning like a spring tide.• But next day we were ready to take advantage of the high spring tide and fly. 