Offshore wind has become a significant employer for commercial diving: foundation inspection and repair, cable protection, scour work and installation support. Surface-supplied diving at moderate depths dominates, not saturation, and campaigns depend heavily on the weather window.
For decades, offshore commercial diving was almost synonymous with oil and gas. That association still holds true in terms of business volume, but it no longer describes the whole picture. Building and maintaining offshore wind farms has created a sustained demand for underwater work with a profile of its own, different from that of an oil platform.
It's worth understanding that profile before steering a career towards it, because it changes the type of dive, the length of campaigns, and even the kind of company doing the hiring.
What happens underwater at a wind farm
The work is concentrated at the base of the structure and on the cables. The most common tasks are inspecting the foundations, whether monopiles, jacket-type structures or floating solutions; monitoring corrosion and cathodic protection systems; and checking scour protection, that blanket of rock armour that stops the current from hollowing out the seabed around the base.
Then there are the cables, which generate a lot of work. The subsea cables linking the turbines to each other and to the substation have to be buried or protected, and a significant share of the sector's incidents relate to them: exposure through sediment movement, damage to the protection at the entry point into the structure, or repairs needed after a fault.
On top of that there's support for installation and construction: guiding components into place, connections, removing elements, pre- and post-installation inspections, and one-off cutting or welding jobs. Many of these tasks are inspection work rather than construction, which is what gives value to underwater inspection qualifications.
Not saturation, surface supply
This is the point that causes the most confusion. Most operating offshore wind farms sit in relatively shallow water, on continental shelves of moderate depth. At those depths there's no point setting up a saturation system: the work is handled with surface-supplied diving, which is quicker and far cheaper to mobilise.
For the diver, that means dives from a support vessel or a smaller boat, daily decompression, and no saturation premium. The pay gap compared with the saturation circuit is real, and it's worth being clear about it from the start; we explain it in this comparison between saturation and surface-supplied diving and in what a diver earns.
Floating wind, designed for deep water, changes part of that equation, but its underwater work is mostly focused on moorings and anchor lines, and it relies heavily on remotely operated vehicles. It isn't wise to expect floating wind to become, on its own, a new source of saturation positions.
How the pace of work changes
A wind farm is, by definition, sited somewhere windy. That shapes the whole operation: working windows depend on the weather more than in many oil and gas operations, and campaigns concentrate in the months of the most favourable sea conditions.
Two practical consequences follow from that. The first is seasonality: there are periods of heavy activity and dead spells, which pushes quite a few professionals to combine wind work with other markets. The second is the variability of mobilisations, with campaigns that are sometimes short and called at short notice.
On the plus side, many operations take place close to shore, with rotations that are easier to live with than far offshore ones, which counts for a lot in terms of quality of life. You can compare how those cycles are organised in rotations and time at home.
Where the demand is
Northern Europe accounts for most of the installed capacity and maintenance activity, centred on the North Sea and the Baltic. The United Kingdom, Germany, Denmark, the Netherlands and Belgium are the markets with the longest track record, and that same region is the one we've already described as the capital of saturation diving: the infrastructure, the companies and the standards were already there.
East Asia is the other major hub, with China leading in installed capacity and significant activity in Taiwan, Japan and South Korea. The United States has developed projects on its east coast at a pace shaped by the regulatory and financial framework. In southern Europe, offshore wind is moving more slowly, with floating technology carrying more weight because of how deep the coastal waters are.
To locate the companies and operators working in these settings, the directory of commercial diving companies and the section on empleo are a reasonable place to start.
What's required to get in
The basic requirements don't change from the rest of offshore: a recognised commercial diving qualification, a current medical fitness certificate, and offshore survival and safety training. In the European environment, work is usually carried out to internationally recognised standards and the codes of practice of the marine contractors' association, as detailed in the sector's certifications.
What does add specific points is an inspection profile: underwater visual inspection qualifications, NDT experience, and familiarity with report documentation. In a market where a large share of the work is checking a structure's condition and recording it rigorously, knowing how to inspect and write it up is worth as much as knowing how to use tools.
If you're at the starting point, the general training route is described in how to become a commercial diver, with the schools listed in schools.
A realistic reading of the sector
Offshore wind is good news for the trade because it diversifies demand and adds long-term maintenance activity: once installed, a farm needs inspections for decades. But it isn't a shortcut to saturation or to the industry's highest earnings, and its pace depends on investment decisions and energy policy that change from one year to the next.
Looked at calmly, it fits better as one leg of a diversified career than as a single destination: surface diving and wind work to build up hours and stability, saturation when the opportunity comes along.
What a working day looks like
The typical operation is run from a support vessel or a smaller boat positioned alongside the turbine. The day starts with the pre-job briefing, reviewing the dive plan, checking the kit, and assessing sea and current conditions, which at these sites are usually the limiting factor.
Dives are relatively short and repetitive, with one diver in the water and the support team on the surface. A good part of the time goes into documentation: video of the structure, photographs of points of interest, measurements and logging. Then it's on to the next turbine, and so on for the whole campaign.
It's less spectacular work than a big subsea construction job, and more like a round of industrial maintenance: a lot of repetition, a lot of procedural discipline, and a strong dependence on the weather forecast. Anyone looking for constant adrenaline usually ends up disappointed; anyone looking for a steady trade and continuity doesn't.
Transitioning from other sectors
A significant share of the professionals working in offshore wind today come from oil and gas, and find an environment with recognisable procedures but different clients: energy developers, wind farm operators and specialised service companies, not oil companies.
That change of client alters practical details, from report formats to the specific safety culture of each operation. Nothing an offshore-experienced diver can't pick up quickly, but it's worth not assuming everything works the same way.
For someone starting out, offshore wind has an added advantage: because it's concentrated at moderate depths and close to shore, it offers chances to build up logged hours with fewer barriers to entry than far offshore work, which is especially valuable in the early years, as we explain in how to get your first offshore job.
Frequently asked questions
Is there saturation diving at offshore wind farms?
It's uncommon. Most fixed-bottom farms are in moderate-depth waters, where the work is handled with surface-supplied diving. Saturation is reserved for greater depths, mainly found in offshore oil and gas.
What tasks does a diver do in offshore wind?
Foundation inspection, checking cathodic protection and scour protection, inspecting and repairing subsea cable protection, supporting installation work, and one-off cutting, cleaning or structural repair jobs.
Does it pay the same as oil and gas?
Generally not. Since it's mostly surface-supplied diving, the saturation premium doesn't come into play, and that's the component that drives up earnings on pressurised campaigns. In exchange, operations tend to be closer to shore.
What certifications are required in offshore wind?
The same basic ones as the rest of offshore: a recognised commercial diving qualification, a current medical fitness certificate, and offshore survival training. Underwater inspection qualifications are a clear added value in this market.
Where is there the most diving work in offshore wind?
Northern Europe accounts for most of the activity, centred on the North Sea and the Baltic. East Asia is the other major hub, and the United States has developed projects on its east coast.
Will floating wind create more jobs for divers?
It will bring underwater work, mainly on moorings and anchor lines, but it relies heavily on remotely operated vehicles because of the depths it's installed at. It isn't wise to count on it as the main source of positions for human divers.
Published 22 August 2026 · By Arthur More, professional saturation diver
Photo: NASA Goddard Photo and Video · CC BY via Openverse