I had my sleeve done two weeks ago and lost 13 pounds in the first week. I weight myself today and I have put on 2 pounds, so it's an 11 pound loss in two weeks. I'm sure it's either water weight or a stall but I'm just wondering if that's something fairly typical this early on?

yes its normal, for me I had a 10 day stall at about 2 weeks out! Its your body reaction to the surgery, it will come off, just follow drs eating guidelines. Good luck.