En los ultimos dias han sido confirmados un gran numero de grupos que formaran parte del Warped Tour 04, durante el proximo verano. Estos son los grupos que lo forman de momento:

Escenario Principal:
New Found Glory
Coheed And Cambria
Taking Back Sunday
Flogging Molly
Anti-Flag
Bouncing Souls
Bad Religion
Yellowcard
Story Of The Year
Thursday
Sugarcult
Nofx
Tiger Army
The Sounds
Atmosphere
Int'l Noise Conspiracy
Lars Frederickson And The Bastards

Escenario Secundario:

Rise Against
The Casualties
Lillix
Allister
My Chemical Romance
Rufio
From Autumn To Ashes
Matchbook Romance
The Revolution Smile

Escenario Volcom:

Letter Kills
The Kinison
Don't Look Down
Pepper
Maxeen
Pulley
Bleed The Dream
ASG
Guttermouth