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wave; billow; ripple; breaker; swell
ups and downs
(something) advancing step by step; (something) surging forward inopposably; succession of changes
tendency; (new) wave
台風が近づいて濤が高くなっている。
The waves are getting higher as the typhoon approaches.
穏やかな濤の音を聞きながら眠った。
I fell asleep listening to the gentle sound of waves.
濤に足をさらわれそうになって驚いた。
I was startled when a wave almost swept me off my feet.