The equipment needed for some programs is straightforward, such as Cardboard Surfers; you just need a piece of cardboard. And for some others, here are the links to the Equipment that we recommend you to use:
Surf Athlete Training: http://surfstrengthcoach.com/program/surf-athlete-training-program/#equipment
Stretches for Surfers: https://surfstrengthcoach.com/program/stretches-for-surfers/#equipment