 Alston left the Rangers at the end of the 1989 season after six seasons in charge.After a year long break from football, Alston was approached by Port Kembla and he became head coach for the 1991 season.Alston spent 13 seasons with Port Kembla; during that period the club won 26 trophies including five league titles, seven Grand Finals, and two Bert Bampton Cups.