When is the puck in hockey considered out of play? The puck is considered out of play in hockey when:
1. It hits an obstacle above the surface other than the boards, glass, or netting.
2. It becomes lodged in the netting on the outside of a goal.
3. It leaves the playing surface.
In summary, the puck is considered out of play in hockey when it encounters specific situations like hitting an obstacle above the surface (excluding boards, glass, or netting), getting stuck in the netting outside a goal, or leaving the playing surface altogether.