The Terps held Northwestern's leading scorers off the board in the first half.
The Wildcats whittled off a 10-0 run in the second half.
Having not played the Wildcats since 2019, the Terps relied on their upperclassmen.
The Wildcats' attacker scored nine goals.
The Terps will face the Wildcats as the lower-ranked team, a rarity for the series.
Leubecker has scored 28 goals in six games for the Terps.
Colson and Griffin were pivotal in back-to-back wins over Ohio State.
The Terps have held opponents to single-digit goal tallies in four straight games.
The Terps held the Buckeyes to 22 percent shooting.
Hannah Leubecker scored seven goals for the Terps.