moving ridge

motion, movement - a natural event that involves a change in the position or location of something

breakers, surf, breaker - waves breaking on the shore

backwash, wake - the wave that spreads behind a boat as it moves forward; "the motorboat's wake capsized the canoe"

swash - the movement or sound of water; "the swash of waves on the beach"

riffle, ripple, rippling, wavelet - a small wave on the surface of a liquid

crestless wave, swell - the undulating movement of the surface of the open sea

lift, rise - a wave that lifts the surface of the water or ground

billow, surge - a large sea wave

tidal wave - a wave resulting from the periodic flow of the tides that is caused by the gravitational attraction of the moon and sun

tidal wave - an unusual (and often destructive) rise of water along the seashore caused by a storm or a combination of wind and high tide

tsunami - a cataclysm resulting from a destructive sea wave caused by an earthquake or volcanic eruption; "a colossal tsunami destroyed the Minoan civilization in minutes"

rolling wave, roller, roll - a long heavy sea wave as it advances towards the shore

comber - a long curling sea wave

white horse, whitecap - a wave that is blown by the wind so its crest is broken and appears white