| EAGRE | Wave caused by the incoming tide |
| TSUNAMI | Seismic sea wave caused by the displacement of a large volume of water (7) |
| KNOT | Species of sandpiper whose Latin name is derived from King Canute because of the association with the incoming tide (4) |
| THERMIC | The unending crime wave caused by heat (7) |
| BORE | High wave caused by a tidal flow, especially on the River Severn in SW England (4) |
| FEATHER | The wake or wave caused by submarine's raised periscope; an item used to make a quill pen or part of a fletching; or, birds collectively (7) |
| TIDALWAVE | A large wave caused by floods and high tides created by a cyclone (5,4) |
| TSUNAMIS | Large waves caused by a displacement of the ocean (8) |
| CHOP | Irregular motion of waves caused by wind blowing against tide (4) |
| AWASH | Partly under water for waves caused by a passing vessel |
| SEISMOGRAPH | Instrument that records seismic waves caused by an earthquake, explosion, or other Earth-shaking phenomenon |
| ALBEDO | In physics, the fraction of the incoming light reflected by a planet (6) |
| SHALWARKAMEEZ | Indian outfit abandoned a marsh walk before the incoming Dutch sea (7-6) |
| BLASTS | Gusts of wind; jets of air; good times; explosions or the shock waves caused; toots of car horns, trumpets, whistles etc; or, severe tellings-off (6) |
| DOPPLER | Physicist remembered for his explanation of the apparent change in the frequency of a wavelength caused by the relative motion of the source (7) |
| PULSE | The regular beating in the arteries caused by the contraction of the heart |
| HALO | Bright circle around the sun or moon caused by the refraction or reflection of light by ice crystals in the atmosphere (4) |
| TIDE | Cyclical ebb and flow of the sea caused by the gravitational pull of the Sun and the Moon (4) |
| EVECTION | Periodical variation in the motion of the moon caused by the attraction of the sun (8) |
| GREATRIFT | The ... ... Valley was caused by the separation of the African and Arabian tectonic plates (5,4) |
