Maryland (4-7, 1-7 Big Ten) needed to win its final two regular-season games to reach bowl eligibility, but the Terrapins were dominated in the first half.
Christina Dalce had 13 points and 10 rebounds for her third double-double in five games, and Shyanne Sellers contributed 10 points and 10 assists for the Terrapins (5-0).
Darian Mensah threw for two TDs and ran for another as Tulane (9-2, 7-0) guaranteed a championship meeting on Dec. 6 against No. 16 Army, which was idle Saturday.