The set scores were 25-15, 20-25, 25-20, 25-20.
De’Lhana Porter had 15 kills for Ludington. Elena Vaara served nine aces and had six kills and Randi Stone served up 22 assists.
Defensively, Laura Gibson had 11 digs and Porter collected four blocks.
The Orioles move on to play Manistee in Thursday’s semifinals.