Tsunami Surge is a water coaster located in Six Flags Hurricane Harbor Chicago, in the Riptide Bay area that opened on May 29, 2021.

On August 29, 2019, Six Flags Great America announced Tsunami Surge, in which the park claims as the tallest water coaster in the world.

[1][2] As the 25th attraction at the water park, Tsunami Surge would utilize "AquaLucent" effects.

[4][5] Later in March of that year, the park had temporarily paused construction due to the COVID-19 pandemic.

In total, the water coaster features five turns, five drops and three uphill blasts.