I been many times. The usual crowd is older as most said. Don't go on a weekend. It's usually party mode like any other beach. Couples or younger women go on weekdays a lot. Some will even go as early as possible. Usually to avoid after work crowd or gawkers.
People will tell you nude beaches are not sexual but shyt goes down all the time. It's just not necessarily in your face and sometimes it very much is but this topic is a whole other thread. Acting thirsty will get you looked at crazy. Like someone mentioned already after a while it's like a regular beach to you.
You can find a nice spot with your level of comfort and cover or be in the crowd. I always give myself space. Relax and enjoy the feeling of the sun on your whole body. It's amazing. Remember that the parts that never see the light in public will be extra sensitive to exposure..
Now for the weirdos and the watchers. Avoid those. Stay away from anyone with their phones out constantly. Usually its unspoken to not point cameras at the nude beach. You look like a creep and will get into shyt with people.
Go to the beach for yourself and you won't be disappointed. Enjoy the
