With the halftime score locked at nil-all, Forrester reassured her team they would get their opportunities.
"I told the girls to keep composure, keep focus and to keep the intensity up and the goals would eventually come."
It was shortly after halftime that Anna Cooper converted off a Maungakaramea penalty corner before Tara Wilson got her first off another penalty corner soon after.
Wilson got her second from a skilful deflection towards the end of the third quarter to stretch the lead to three with one quarter remaining.
Wilson's hat-trick goal came from another deft deflection when a crash ball found its way through to her standing unmarked in the circle to touch it high into the net.
In the other premier women's game, Old Girls beat Hikurangi 6-0 while Springfield beat Mangapai by default.
In the premier men's competition Maungakaramea put on a comprehensive performance to beat Bream Bay 8-1 while Mangapai beat Whangarei Boys' High School 2-1.