Wes has penned a two-year deal with the Glovers ahead of tonight's pre-serason friendly with Truro City.
Midfielder Wes started his career at his hometown club Brighton in 2006 before he joined Dorchester Town in 2008.
After a season at Dorchester he join Havant & Waterlooville where he made over 100 appearances scoring 29 goals.
In 2011 he joined AFC Bournemouth where he remained for three seasons making over 50 appearances for the Cherries.
Last season Wes made 28 appearances for Portsmouth in League Two scoring two goals.