Artificial surf wave · surf pool · CFD

An artificial surf wave starts with water, bottom profile and generation calculation.

What makes a surf pool wave surfable isn't the render. It's the water motion, the bathymetry, the generation cycle and the way the crest actually travels across the basin. We calculate that while the pool is still on paper, so you can see where the wave breaks, how much rideable line it gives and which limits the physics already puts on it.

An artificial surf wave is one system: the generator drives the water, the bottom profile shapes the crest, and the rider feels the result.

Most early briefs say one thing: we need an artificial wave. An engineer can't build on that. To calculate, you have to pin down target height, period, wave front, breaking point, ride length, reflections, the damping zone and the pause between waves. Those numbers are what turn a wish into a basin someone can build.

Four parts decide whether the basin produces a surfable wave.

01

Water surface

We inspect height, front, crest speed, breaking moment and shoulder shape over time.

02

Bottom profile

We check depths, reef, shelf, reflections and how sensitive the wave is to profile changes.

03

Generation

We calculate what impulse the water needs, what cycle repeats from wave to wave and where load limits appear.

04

Session rhythm

We estimate the pause between waves, ride flow and the physical limits that constrain throughput.

How a wave is actually made: four main generation families.

Pneumatic (air-blown)

Rows of sealed chambers fire compressed air onto the water in a programmed sequence; firing in order sends a wave travelling across the pool. This is how you get many waves in a row. Used by PerfectSwell (American Wave Machines), Endless Surf and Surf Loch.

Electro-mechanical foils — the Cove

A single row of panels along a central pier. The panels fire one after another in a travelling, snake-like motion, pushing the water to form a wave that runs down the pool. It moves panels, not air. Wavegarden's technology.

Hydrofoil on a track

A submerged foil on a carriage is pulled the length of the pool on a track, displacing water into a single long peeling wave; the shaped lakebed decides where it breaks. One very long wave per pass, one surfer at a time. Kelly Slater Wave Company.

Plunger / displacement

A large central plunger moves up and down and sends concentric swell rings outward in every direction; reefs shaped around the pool turn them into several breaks of different difficulty at once. Surf Lakes' approach.

Other methods

Older tank-dump systems and standing-wave systems (FlowRider and similar) make a stationary wave on flowing water rather than a travelling, ocean-like swell. They suit smaller venues and water parks, not full surf parks.

A surfable artificial wave is judged on the data, not on a promised shape.

One run gives you the water surface over time, the sections, the breaking zones and an engineering note that spells out the assumptions. From that you can decide what to change in the bottom profile or the generation cycle before any of it goes into concrete.

Artificial surf wave calculation frame in a surf pool
Surface frame Water elevation field while the wave travels through the basin.

The figures a wave pool is judged on are results of the geometry — computed before construction, not promised.

Throughput — waves per hour

How many rideable waves the pool delivers. Set by the generation cycle and how many independent breaks the geometry supports.

Simultaneous capacity

How many surfers can ride at once. Limited by how many non-interfering breaks the layout and wave spacing allow.

Ride length — seconds

How long a single ride lasts. A direct function of peel angle, the breaking line and bathymetry.

Wave variety — levels at once

Whether one basin serves beginner to advanced at the same time. Needs breaks of different intensity in one pool.

Wave face height

The height of the breaking face — we measure the face, not the back of the wave. An output of energy input and underwater shape.

Energy per ride

The power each wave consumes — a calculated quantity, and a top line in surf-pool cost.

None of these can be read off a render. They come out of the calculation — which is what we do, for whichever wave technology you are evaluating.

Calculation is needed before the basin shape becomes an expensive mistake.

A surf wave reacts to small things: depth, the angle of approach, reef shape, the damping zone, reflections, how repeatable the impulse is. Catch those late and you're moving geometry, not just numbers in a model.

Early on, a masterplan, a depth profile, a target wave or a short concept note is enough to scope the first calculation. When the input is thin, the first thing you get back is a clear list of what we need pinned down before a full model.

What you get: frames, sections and numbers you can check.

Frames and sections

Water surface over time, control sections, breaking zone and crest behavior.

Geometry conclusion

Where the bottom profile works, where the wave collapses, and where reflections or a weak shoulder appear.

Next step

What to recalculate, which inputs to clarify and what to check at the next engineering stage.

Dozens of parks, growing fast — not thousands.

Independent trade trackers count roughly two to three dozen surf pools operating worldwide as of 2026, depending on how strictly you define a surf park. The pipeline is real and strong — a dozen or so new parks are targeted to open in the near term, and the global inventory is expected to keep climbing on committed projects.

You will also hear much bigger numbers — "a thousand surf parks one day", "a hundred-billion-dollar industry". Those are a single company's forecast and a figure for the entire surfing economy, not the size of the wave-pool market. We flag them as projections, not facts. The honest picture is dozens of parks, scaling quickly.

Pools already host competitions — but the Olympics are still held in the ocean.

Competitions are already run in artificial pools: the wave is the same for everyone, which makes judging cleaner. Olympic surfing, though, has been held in the ocean every time — Tokyo 2020, Paris 2024 at Teahupo'o (Tahiti), and Los Angeles 2028 at Lower Trestles. A pool was considered for 2028, but an ocean break was chosen.

Pools are also used for training — the wave repeats, so you can drill the same manoeuvre again and again. But don't confuse the two: competitions in pools already exist; Olympic ones don't, yet.

Common questions about an artificial surf wave.

How is a surfable artificial wave different from a normal pool wave?

A surf wave needs a working shoulder, takeoff area, controlled breaking and enough rideable line. That means calculating not only water height, but also bottom profile, crest front, reflections and wave rhythm.

Can this wave be designed without calculation?

A shape can be drawn, but that does not show how water will move through the basin. Calculation is needed to see the breaking point, weak zones, generation loads and profile limits.

What input data is needed for the first check?

A masterplan, depth profile, basin envelope, target wave, site limits and generation principle are enough to start. If the data is thin, the first result is a list of inputs that need clarification.

Can Wavemorison recalculate an existing surf-pool idea?

Yes. If there is geometry or a concept, Wavemorison calculates the water, bottom profile and generation mode separately, then shows where the physics works and where changes are needed.

What cannot be promised without input data?

Height, ride length, throughput, loads or tube quality cannot be promised honestly without geometry, depths and generation mode. These parameters must come from calculation.

How many surfers per hour can a wave pool actually handle?

It depends on the basin layout and the wave-generation cycle, not on a single headline number. Throughput is capped by how quickly the system can produce the next wave and how many independent breaks the geometry supports. Vendors publish their own figures; we calculate the real ceiling for a specific design before it is built.

Can one basin run different difficulty levels at the same time?

Yes — but only if the underwater shape is designed for it. Serving beginners and advanced surfers at once requires multiple breaks of different intensity in the same pool, which is a geometry-and-bathymetry property. Whether a given design delivers that, and how cleanly, is something we model rather than assume.

How much energy or pump power does each wave need?

Energy per wave is a calculated quantity, driven by the generation method, the volume of water moved and the basin shape. Different technologies sit in very different ranges, and every vendor states its own efficiency claim. Independent calculation of power-per-wave is part of an honest feasibility study.

Connected engineering topics.

Have an artificial wave idea or basin geometry? Send it for calculation.

A masterplan, a depth profile, a generation sketch, a target wave or even a couple of paragraphs is enough to start. We'll tell you what we can calculate right away and where we'll need an NDA or more data.