If you own The Endless Summer Search For Surf you don't need to buy this game.
The starting part of Search For Surf includes this game.

Surfers Code - Surfers Code - Surfers Code

A new version of this game called Surfers Code has a free demo now available and will be released soon. Surfers Code is a physics based surfing adventure game where you search for waves, meet quirky characters, and unravel mysteries and adventures throughout the islands. Check it out. Surfers Code on Steam for PC.

For everyone else, welcome to the most exciting realistic surfing physics simulation challenge game you ever had the opportunity to play. Surf your way through the 12 surf spots of increasing difficulty. Complete the levels by scoring off the lips, tube rides, airs, fast rides, and shoot the pier. Change players and play with different surfers riding different boards, from a big gun power surfer to a lightweight fast short board. You'll be doing airs like a pro in no time, and develop your own surfing style in this surfing simulation. Play with a friend and compete in customizable surf contests like the pro surfing circuit.