Not of Hyatt Standards
As an ex-SF resident: Fisherman's Wharf is probably not my first location choice, but seeing as I was there for about a month for work, I couldn't complain too much. 
To my surprise, it was not the crowds headed to the Wharf that I found bothersome, but the staff themselves. 
Seeing as that I was there for an extended amount of time, I had 2 large suitcases that not a single bellhop bothered to help me with. It was only as I was struggling to fit them inside the elevator that someone came, at which point I told them to forget it. I’d rather not feel obligated to tip a guy for helping me do his job halfway. 
My room did not come with a mini-bar which I found odd: When I asked the first day for one to be brought up, they claimed they do not have refrigerators in any of their rooms. My colleagues who were also staying there all had them. So the next day I called again, to be told that one would be brought up “right away” or by their standards, an hour. Why they felt the need to lie about it the first time around is beyond me.
My fellow co-workers had shopped themselves silly in SF, and upon checkout they asked to have their luggage weighed. During this whole process you could sense the annoyance from the concierge as he just stood there without helping. For a hotel that is so busy (it was packed with tourist and people on business day in and day out) you would think they’d be used to this sort of thing and at least have the decency to help 4 women lift giant 50-lb-bags. 
For a Hyatt, I found the customer service below standard. As far as everything else, it was fine. The rooms were big, clean, and the location wasn’t bad at all for an extended stay. There’s a Trader Joe’s 2 blocks away, walking distance to stroll North Beach, and if you have the time, it’s nice to walk down towards the Embarcadero. 
Tips: Ask for a room closer to the elevator. Yes it faces the street so it might be a little louder, but if you want to avoid having to walk a long dark corridor every night (or struggle to get bags through it yourself), it’s worth it. They charge for Wifi daily (per device) like most hotels these days, but if you need it for more than one day, call up the tech service line and make it so you don’t have to sign in every day. It gets old after the 2nd time.