Jamie Mackie set the tone for the 90 minutes with an early strike in front of 22,306 at the City Ground.
Andy Reid and Henri Lansbury sealed the three points with Darren Pratley dismissed for the visitors, a red card that drew no complaints from manager Dougie Freedman.
Forest have a 100% record after three games for the first time in the Championship since 1997 and are the only team to have won all their games in the division this season although Billy Davies was keen to downplay expectations after the game.
More to come on Footy Mad.