Jazz Festival director Becks Chambers said the New Orleans TECT Jazz Village already had between 1500 and 2000 people through the gates at 1.30pm, and she expected numbers would "easily hit" 4000.
Phil Broadhurst and Miho Wada performed at the event yesterday.
Pauline Ten Have, who attended the event, said although it was not her type of music, "the atmosphere was really nice".
The main stage and the food stalls proved popular with guests. Ms Chambers said her highlight of the festival had been the Hurricane Party on the waterfront.
"It was absolutely amazing," she said.