One word that comes to mind when dealing with hairstyles for fine wavy hair is surely the easy maintenance or care. It is considerably true that fine hair is the easiest type of hair to deal with. Thus it is also possible to say that in every style option, fine hair will always look fine all the way.
One fact regarding the fine wavy hair hairstyle is that curls are even included even by celebrities. The fact that curls are useful to add a bit more bounces to the entire hair is the main reason that they are used. Celebrities like Sienna Miller, Jessica Biel, and even Sandra Bullock have long known to incorporate curls in their fine hair for a better look. The fact is that they are even better looking when they have their curls in their fine hair.
Moreover such curls will also be helpful in dealing with a problem of strands separation from the fine hair. Thus the hair will be kept at its best shape aside of just having a great voluminous look overall. So, if you are having a fine hair type, consider to incorporate curls or waves and get one of the hairstyles for fine wavy hair.