Well, wizards are going to, usually, be able to stomp anything given time. However the wolves have several advantages a wizard doesn't, namely that they aren't hindered by laws of magic, and can kill mortals just fine. A few other things, like if they are fighting something immune to magic, would even the score. Wizards, still, are likely to be more powerful, yes, but only if the wizard is a strong Evocator, a thaumaturgist specialist is not going to stack up in combat with one of the Alphas. You could adjust the template by removing the Pac Instincts power, since most likely you will never get a chance to use it.
A were is going to outstrip a wizard in a prolonged fight, where a wizard is going to outstrip the were in a short fight, this is due to the mechanics of stress and casting. A wizard pretty much only gets to cast 5 spells before racking up lasting consequences, maybe 6 if the wizard has a superb (+5) conviction.