Tidal Wave(タイダルウェイブ or タイダルウエイブ or タイダルウェーブ, Taidaru Ueibu?) is a recurring ability in the series. It is often a trademark ability of Shinryu, but sometimes is the name for Leviathan's attack, and deals Water-elemental damage to the party, oftentimes being strong enough to defeat the party in one attack without protection.
VITidal Wave is the summon ability of Leviathan, which deals major Water-elemental damage to all enemies with a power of 130 at the cost of 70 MP. The ability is only available in the GBA or later versions of the game.
XITidal Wave is the Astral Flow blood pact of Leviathan. It costs twice the user's level in MP to active the command, and using it reduces their MP to 0. Tidal Wave is a Water-elemental area of effect attack.
Tidal wave is the signature attack used by the primal Leviathan. To safeguard against the destructive nature of the attack, the Elemental Converter aboard the Whorleater must have a sufficient strength rating of to create a powerful enough shield. This attack also breaks the railings in the Extreme version of the primal trial.
Tsunami returns as Famfrit's special ability in Final Fantasy XII: Revenant Wings. When used, the ability will deal heavy water-elemental damage to all foes extending in a straight line from Famfrit.
Tidal Wave is used by Leviathan. Leviathan can use it as an attack during the battle or as an ability after being summoned by the Warriors. The ability costs 56 MP and deals Water elemental damage to all targets.