A 56-year-old man has been arrested on suspicion of exposing himself nine times.
Police say the offences took place in the Victoria Drive area of Bognor on November 28, November 30, January 23, January 31, February 4, July 3, July 18, July 24 and August 4.
The offences all involved a man exposing himself at small groups of women between 10.30pm and midnight. He would not try and speak to them.
The man, from Bognor, has been bailed until October 11.