The set scores were 25-17, 25-12, 25-15.
Lauren Seaver logged 15 kills for the Wildcats while Allison Hall had 11. Raegan Murphy set up the points with 42 assists. Chloe Wynn had 14 digs and Murphy collected 12.
Montague moves on to play Spring Lake on Thursday in the semifinals at 7 p.m.