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 The Tidal Wave The Tidal Wave was a Schwarzkopf shuttle loop roller coaster that debuted at both Great America parks in the 1977 and 1978 seasons for Santa Clara and Gurnee, respectively.

Tidal Wave was a new model roller coaster designed by Anton Schwarzkopf (designer of Willard's Whizzer) and was the first major roller coaster added by Marriott to the parks.