Tidal wave may refer to:
Seas and oceans
- A tidal bore, which is a large movement of water formed by the funnelling of the incoming tide into a river or narrow bay
- A storm surge, or tidal surge, which can cause waves that breach flood defences
- A tsunami, a series of water waves in a body of water caused by the displacement of a large volume of water, although this usage of "tidal wave" is a misnomer and is disfavored by the scientific community.
- A megatsunami, which is an informal term to describe a tsunami that has initial wave heights that are much larger than normal tsunamis
- The crest (physics) of a tide as it moves around the Earth
Film
- The Tidal Wave, a 1920 British silent film
- Tidal Wave (1973 film), a film based on novel Japan Sinks
- Tidal Wave (2009 film), a South Korean disaster movie
Amusements
- Tidal Wave (Thorpe Park), the theme park ride at Thorpe Park, in the United Kingdom
- Tidal Wave (Transformers), a Decepticon in the Transformers universe
Music
- Tidal Wave (band), a band associated with the United States Naval Academy Band
Albums
- Tidal Wave (EP), the 1993 EP debut release by The Apples in Stereo, and song on the album Fun Trick Noisemaker
- Tidal Wave (Taking Back Sunday album), a 2016 album by Taking Back Sunday
- Tidal Wave (Young Liars album), a 2014 album by Canadian indie pop rock band Young Liars
Songs
- "Tidal Wave" (song), a song by Sub Focus, 2012
- "Tidal Wave", a song by The Apples, 1993
- "Tidal Wave", a song by Apollo 100, 1973
- "Tidal Wave", a song by the band The Challengers, 1963
- "Tidal Wave", a song by Clancy Eccles, 1976
- "Tidal Wave", a song by Gorky's Zygotic Mynci, on their 1998 album Gorky 5
- "Tidal Wave", a song by Frankie Paul, 1985
- "Tidal Wave," a 1995 song by Bomb the Bass featuring River on their album Clear
- "Tidal Wave", a song by Husky, 2012
- "Tidal Wave," a 2014 song by Interpol on their album El Pintor
- "Tidal Wave", a song by John Foxx on his 1980 album Metamatic
- "Tidal Wave", a song by Karmin from Pulses
- "Tidal Wave", a B-side to 2008 single "Spaceman" by the rock band The Killers
- "Tidal Wave", a song by Owl City on their 2009 album Ocean Eyes
- "Tidal Wave", a song by Nickelback on their 2022 album Get Rollin'
- "Tidal Wave", a song by Ronnie Laws and Pressure, 1975
- "Tidal Wave", a song by The Sugarcubes on the 1989 album Here Today, Tomorrow Next Week!
- "Tidal Wave", a song by Thee Oh Sees
- "Tidal Wave", a song by The Upsetters
- "Tidal Wave", a song by Portugal. The Man
- "Tidal Wave", a song by S*M*A*S*H
- "Tidal Waves", a 2015 song by All Time Low from Future Hearts
- "Tidal Wave", a 1974 song by The Ozark Mountain Daredevils from It'll Shine When It Shines
- "Tidal Wave", a song by Chase Atlantic, 2018
Other uses
- Operation Tidal Wave, a 1943 World War II military operation
- Tidalwave Microtech, defunct Taiwanese manufacturer of palmtop PCs
See also
- A rogue wave of up to 100 feet high, often in the middle of the ocean and against prevailing current and wave direction
- Jwar Bhata (disambiguation) (lit. 'Tidal Wave'), various Indian films so titled
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