The United States' Griffin Colapinto earned his first WSL Championship Tour win in Peniche ©Getty Images

United States’ Griffin Colapinto earned the first World Surf League (WSL) Championship Tour victory of his career at the MEO Portugal Cup, while Brazil’s Tatiana Weston-Webb earned the women’s title in Peniche.

Colapinto had produced impressive performances throughout the event, including earning the first perfect 10 of the season during his quarter-final match yesterday.

The 23-year-old overcame compatriot John John Florence in today’s semi-final, after achieving scores of 6.83 and 6.93 points on consecutive waves.

His overall total of 13.76 points was enough to beat Florence, who was eliminated on 10.50.

The second semi-final saw Filipe Toledo overcome Italo Ferreira in an all-Brazilian contest.

Toledo scored 13.67 points to advance with Olympic champion Ferreira scoring 12.66 in reply.

Colapinto set the standard early in the final by achieved scores of 7.67 and 6.67 points on his third and fourth waves, giving him a total of 14.34.

He narrowly held on to claim victory with Toledo improving to a final score of 14.20, just 0.14 behind the winner.

Colapinto becomes the first California surfer to win a men’s Championship Tour event since Bobby Martinez in 2009.

The result has seen Colapinto rise 20 places in the Championship Tour rankings to seventh.

The standings are led by Japan’s Kanoa Igarashi on 17,290 points, with America's Kelly Slater following on 14,650.

The women’s event saw Weston-Webb overcame reigning WSL champion Carissa Moore in the semi-finals, scoring 10.76 to the American’s 10.17.

Weston-Webb faced further American opposition in the final after Lakey Peterson earned a 12.34 to 12.00 points win over Australia’s Stephanie Gilmore.

The Brazilian surfer emerged as the winner of the competition by achieving total score of 15.33 points in the final.

Peterson ended as the runner-up on 14.27.

Weston-Webb has risen to fourth in the Championship Tour standings after three events, moving onto a score of 15,220 points.

Costa Rica’s Brisa Hennessy leads the series on 17,355 points, followed on Moore and Peterson who are tied for second on 16,495.

The series  is due continue with the Rip Curl Pro Bells Beach event in Australia on April 10.

The top five surfers in both the men’s and women’s standings after nine events are due to compete at the WSL Finals in California during September.