Tidal Tempest (潮の嵐 Shio no arashi) is the third Round in Sonic the Hedgehog CD. It consists of a cave region, located on Little Planet. As with the other Rounds in the game, Tidal Tempest consists of two Zones and a third, shorter Zone that features the Round's boss.

(Tidal Tempest is not a character, it's a Zone.)

Present:

Past:

Bad Future:

Good Future: