Auckland Surf Park is listed as a sports centre at Dairy Flat, in the Rodney district north of Auckland. It has a 1.0 rating on Google. Its listing links to a post about a green light for the project, so it may still be a proposal rather than a venue you can visit, which is worth checking before you go.
A good sports centre is easy to book, clearly run and suited to beginners as well as regular players, with safe facilities, helpful staff and clear rules. For a surf park, which uses an artificial wave pool, good operators explain the skill levels on offer, provide lessons and equipment and set rules for safety in the water. Regulars at any sports facility know that booking ahead avoids disappointment, that arriving early for an induction is worthwhile and that checking the latest news tells you when a venue opens. Wear suitable clothing, bring water and follow the staff's instructions.
For anyone around Dairy Flat, Auckland Surf Park is a project to watch, and worth confirming its status before planning a visit.