Six Flags Hurricane Harbor New Jersey is a water park located in Jackson Township, New Jersey, U.S. Located within the Six Flags Great Adventure Resort, it operates as a separately-gated water park under the Six Flags Hurricane Harbor brand. The water park opened on May 27, 2000, and is owned by the Six Flags Entertainment Corporation.
On January 20, 2000, Premier Parks (renamed to Six Flags) announced it would build a new, separately-gated water park within the Six Flags Great Adventure complex. Named Six Flags Hurricane Harbor, it would cost to build. It was estimated that the park would create an additional 250 to 300 new jobs and would boost New Jersey's economy. The water park officially opened on May 27, 2000.
On February 13, 2012, the park announced that it would build a snake-themed ride named King Cobra. Marketed as the first of its kind, it opened on July 24, 2012.
In August 2015, a woman filed a lawsuit against the park after breaking her ankle on King Cobra when her tube slammed into the top of the slide, and was not notified that her party exceeded the weight limit prior to riding the attraction. The ride was later removed in 2017.
Hurricane Harbor New Jersey announced in January 2019, that it would build its largest water park expansion since the park's opening named Calypso Springs. Featuring a 100,000-gallon activity pool and a dining location, it opened in July 2019.
In March 2023, the park announced it would build a new children's water playground named Splash Island, adding seven new slides. The attraction opened in May 2023.
Attractions and thrill levels per the 2025 edition of the Six Flags Hurricane Harbor New Jersey Guest Accessibility Guide.
The Themed Entertainment Association estimates attendance figures for Six Flags Hurricane Harbor New Jersey.
The park's King Cobra attraction placed third in Amusement Today<nowiki/>'s 2012 Golden Ticket Awards in the category "Best New Ride (Waterpark)." Hurricane Harbor New Jersey placed fourth in 2022 and ninth in 2023 in USA Today's Readers' Choice Awards for "Best Outdoor Waterpark".