Draymond Green has secured 20 points, 13 rebounds and 12 assists as the Golden State Warriors outclassed the Portland Trail Blazers 110-99 for a 3-0 lead in the NBA's western conference finals.

Green had his seventh career post-season triple-double and Stephen Curry scored 36 points for Golden State, who are now a win away from a fifth straight trip to the NBA finals, with game four on Tuesday (AEST).

Australian Andrew Bogut played just three minutes for two rebounds.

CJ McCollum had 23 points for the Trail Blazers, who led by 18 points in the second quarter, while Damian Lillard added 19 points.