Harrison and Aaron both knew how to identify rips and they knew she was stuck in one so they decided to swim out and help.
"We swam out and I got off my surfboard and I put her on my board and we swam sideways to get out of the rip," said Aaron.
Two surf instructors were quickly made aware of what the boys were doing and also swam out to help and brought the young woman to shore.
WBHS physical education teacher JT Thomas said he was "so proud" of the boys' actions but they were being "very humble" about Tuesday's incident.
Harrison and Aaron do not consider themselves heroes despite people telling them the situation might have ended differently if they had not spotted the young woman.
"A few people said she would have been dead, but it just feels like we would help anyone," said j
The two boys did not know who the woman was so could not meet up with her. They said the surf instructors took over once she was brought to shore.
Simon Clowes, owner of the O'Neill Surf Academy, said he was proud of everyone involved in helping the young woman.
"I take my hats off to the boys from the school and our surf instructors," he said.