But after taking to the air for a quick five-point punt, Butler took a risk and moved to another spot down the beach. It paid off as he found only the second wave of the heat that held its face and made the most of it - posting a score in the eight-point range to take the lead inside the final minutes.
It didn't change hands from there, as the Kiwi closed out an important victory. Robson finished in second to remain ahead of Butler on the overall ladder.
"The waves were pretty slow and pretty little. Before I got that eight-point ride I thought I was done for all money," Butler told the Herald after the win.
Moving into the top four in the overall standings with the win, Butler was now looking likely to secure a spot to contest the junior world championships. The top four surfers in each of the five regions (Oceania, North America, Africa, Europe, Hawaii/Tahiti Nui) qualify for a chance to be named junior world champion early in 2019.