Antino Jackson scored a 3-pointer - his only one of the game - to break a 45-45 tie as the Zips (6-2) began to edge away from Marshall in the final 10 minutes. Jackson's trey sparked a 16-4 run over about five minutes.
Marshall was unable to close and is off to an 0-5 start for the first time since the 1964-65 season.
Forsythe made 10 of 15 baskets. Akron's defense held Marshall's C.J. Burks, a freshman who'd been setting scoring highs in the last three games, topping at 20, scoreless on five shots against the Zips. James Kelly and Stevie Browning each scored 18 to pace the Herd.