A roof apparatus includes a guide rail extending in a front-rear direction of a vehicle, a drive shoe slidable along the guide rail, a functional bracket supporting a movable panel, a front link member relatively rotatably connected at a front portion of the functional bracket and including a supporting portion supported by a supporting wall portion of the guide rail, a lifting mechanism connected to a rear portion of the functional bracket, a weather strip attached at an opening edge portion of a roof panel, the supporting wall portion of the guide rail and the supporting portion of the front link member are located inwardly of an outer end surface of the movable panel in a vehicle width direction, the drive shoe is located below the weather strip, and the front link member is located between the supporting wall portion and the drive shoe in the vehicle width direction.