North Muskegon won 25-13, 25-19, 25-21.
Laura Borras led Montague with 12 kills, 11 digs and three aces, while Anastasia Trevino had 10 kills.
Jaelyn Sundberg chipped in 27 assists with an ace and Alissa Wynn had 12 digs and two aces.
Montague (18-22-1, 5-1) will be at Oakridge on Saturday for the West Michigan Conference Tournament.
North Muskegon will compete at Ravenna.