The 25-year-old leaving his highest-scoring wave of 6.07 until the dying stages.
Meanwhile, Copacabana’s Matt Wilkinson was eliminated this morning.
His two-wave total of 8.97 not enough to progress against South African Michael February.
Adrian Buchan will take on Jeremy Flores in round three, while Carmichael faces Adriano de Souza.
(Audio in parts)