swell [swells]◼◼◼(series of waves, lasting after the wind has ceased) noun [UK: swel] [US: ˈswel]In addition to a thick fog, there was a heavy swell. = En plus d'un brouillard épais, il y avait une forte houle.
surge [surges]◼◼◻((nautical) swell of the sea) noun [UK: sɜːdʒ] [US: ˈsɝːdʒ]