From Longman Dictionary of Contemporary Englishlow tideˌlow ˈtide noun [countable, uncountable] TTWDNthe time when sea water is at its lowest level OPP high tide You can walk across to the island at low tide.
Examples from the Corpus
low tide• It was always low tide in the Five Points.• She imagined the castle, at low tide, grey, black, then silver in the changing light.• A count at low tide tallies nearly 800 rocks, reefs, islands and other features poking above the surface.• The two sides reached a stand-off at low tide on Tuesday but tempers flared and punches were thrown.• It was just before low tide, and the whales were in about 2 m of water.• The stench of low tide hung over the entire area, from the river all the way over to the Five Points.• At Lyness, the Thorsvoe noses in on the low tide. 