tide (periodic change of sea level)

A municipality of Rio de Janeiro, Brazil

(Brazil) fiddler crab (Uca (genus of crab in which males have one oversized claw))

red tide (poisonous algal bloom)

high tide (the natural tide at its highest level)

low tide (the tide at its lowest level)

spring tide (the tide at its highest level)

oil slick; oil spill (part of the ocean contaminated with a layer of petroleum)

tidal wave (large and sudden rise and fall in the tide)

Used other than figuratively or idiomatically: see contra, a, maré. / against the grain (contrary to what is expected)