I had a small tree blow almost over because the soil was so wet. How big are the branches. If some ofthe cambium is still intact you could try and leave them. The open break concerns me more because it can cause more problems. Its close enough they may ripen on the tree but youll probabaly need to remove the branch soon.
Also you might post this in the fruit and orchard forum.
Mike

okiedoke I'm sorry this happened to your beautiful peaches!!