Along the southern Baltic coast, Poland is home to a growing professional diving market: port construction at the major ports, a gas terminal, channel dredging and a developing offshore wind industry. It is surface-supplied work in cold, low-salinity water with short visibility, under its own national qualification.
For years the southern Baltic was a peripheral market within European professional diving. It no longer is. The combination of sustained port investment, new energy infrastructure and a developing offshore wind programme has turned the Polish coast into one of the areas with the most active marine construction in northern Europe.
It's worth being clear from the outset about what kind of market this is: it's surface-supplied diving, coastal and port-based. There is no saturation, no deep-water projects and none of the North Sea's offshore structure. What there is, is marine civil engineering, energy and infrastructure — a different kind of work, but with real, predictable demand.
Where the work is
The major ports
Activity is concentrated in the port complex at the mouth of the Oder, at the western end of the coast, and in the ports of Gdańsk Bay in the east, which include the Baltic's main container terminal and a strong tradition of shipbuilding and repair. In between, Gdynia and a number of smaller ports complete the picture.
The underwater work that goes with it is what you'd expect of any major port facility expanding: inspecting and repairing quays, sheet piling and piles; supporting dredging of access channels and basins; maintaining fenders and mooring fittings; hull work on vessels alongside and in the shipyard; and support for new-build expansion work, which is the part that has grown the most. It's the same family of tasks that defines diving in ports, dredging and marine construction in any comparable market.
Energy infrastructure
The Świnoujście LNG terminal and its associated connection works have generated infrastructure diving work for years: intakes, offloading, specialised berths, pipeline protection and mooring structures. It's work with documentation and safety requirements above the port average, because the client is an operator of critical infrastructure.
Offshore wind
The development of offshore wind farms in Poland's Baltic economic zone is the factor that has most changed expectations for the market. It's worth calibrating carefully, though, what that actually means for a diver. Installing foundations and turbines is carried out mainly with specialised vessels and remote assets; diving plays a limited role, mostly in inspection, occasional support, and work on coastal and connection infrastructure. A realistic account of that split is in the analysis of diving work in offshore wind farms.
The indirect effect is probably greater than the direct one: adapted base ports, component terminals, onshore connection works and logistics activity that pulls in conventional underwater demand for years.
Other niches
The Polish coast adds salvage and wreck-removal activity, maintenance of outfalls and industrial intakes, coastal defence works, and a particular chapter of its own: the Baltic seabed holds a notable density of wrecks and material left over from the two world wars. That generates location and inspection work and, where relevant, specialist action coordinated with the relevant authorities, which is not part of ordinary civil work.
Working conditions
The southern Baltic imposes a set of very recognisable conditions that a diver arriving from another sea has to accept from day one.
- Low salinity. The Baltic is a low-salinity sea, and the less dense water provides less buoyancy. With the same equipment you need less weight than in fully saline seawater. It's a simple adjustment, but it has to be checked rather than carried over as habit from another market.
- Cold water all year round. Thermal control stops being a comfort and starts dictating dive duration and equipment choice. Managing hypothermia is a central part of planning here.
- Short visibility. In coastal and port areas, often zero. Work is done by feel, with systematic search patterns and instrument support when the picture isn't enough.
- Invierno duro. Ice in sheltered areas, storms and short days. Many projects are rescheduled towards the better-weather window, which concentrates the workload between spring and autumn.
- Shallow depth. The Baltic is a shallow sea, and that reinforces the market's surface-supplied diving character.
Qualification and access from abroad
Poland has a national qualification scheme for professional diving, with specific training, periodic medical fitness checks and a diver register, managed by the relevant authority. There is no automatic equivalence with the British or American schemes: an international certificate may be valued by the employer, but on its own it does not replace the authorisation required to work under national jurisdiction.
As in the rest of the European Union, general mechanisms exist for recognising professional qualifications, but how they apply in practice to this profession depends on the relevant body, the type of work and the documentation submitted. The only sensible approach is to consult the Polish authority and the prospective employer directly before making any decisions. To place your own profile within the international picture, it's useful to compare the main certification schemes and see the general overview of the sector's certifications.
On energy projects contracted by international operators, the standard applied is usually the client's own, which tends to require internationally recognised schemes and a medical record in order. It's the usual split: a local market with its national qualification, and an international layer with requirements of its own.
The language
Polish is a real barrier for local work. On domestic port projects, operational communication, documentation and safety briefings are all in Polish. On international energy projects, English works as the working language. Anyone arriving from abroad without Polish will find a place in the second category well before the first.
How to get into the market
There are two routes, and they work differently.
La local route means joining a Polish diving company or the underwater division of a marine contractor. It requires national authorisation, the language and a physical presence. In return, it offers continuity and access to the bulk of the work volume. It's worth checking the diving company directory to identify operators and cross-check against what's posted in the sector's job channels.
La project route means coming in with an international contractor that mobilises a team for a specific project — a terminal, a power connection, a wind farm — and brings its own personnel. Here the criteria are set by the contractor and the end client, and the profile in demand is usually a specialist with international certification and demonstrable experience in that type of work.
What profile the market is looking for
The diver who fits the southern Baltic is not a depth specialist. It's the surface-supplied professional with construction skills: underwater concreting, welding and cutting, mechanical assembly, handling hydraulic tools, and the ability to complete a whole task without seeing anything. On top of that, there are three things contractors explicitly value.
- Clean documentation. On projects funded with public or EU money, and in energy infrastructure, the documentation deliverable is part of the contract. A diver who knows how to describe, reference and photograph what they've done is worth more than one who only does the work.
- Well-managed cold tolerance. Not as a matter of personal endurance, but as a technical skill: choosing equipment, managing time, recognising symptoms early, and the discipline to come out when it's time.
- Technical English. It's the lingua franca of international energy projects and the most realistic way in for anyone arriving from abroad without Polish.
There's also a seasonal consideration worth building into any plan: because work is concentrated between spring and autumn, availability in those months is a negotiable asset, and winter is the natural time for training, recertification and workshop work.
What to expect on pay
Rates in the local Polish market reflect the country's wage level, not international offshore benchmarks. International energy projects operate on a different scale, with terms tied to the main contractor. Comparing the two as if they were the same market leads to the wrong expectations; the general reference on what the profession pays always has to be translated into the specific context.
A market with room to grow
The southern Baltic is not going to become a saturation destination: it has neither the depth nor the kind of industry to justify it. What it does have is an unusually strong combination of factors favourable to surface-supplied diving: expanding ports, new energy infrastructure, a developing wind programme, and a geographic position that connects it with the rest of the Baltic and with the Baltic market as a whole.
For a diver who has mastered work in cold, murky, shallow water — civil works, hull work, dredging support, inspection — this is a market where demand is growing and the supply of qualified professionals is not unlimited. For anyone after depth and long projects, the road runs elsewhere, and it's worth placing this market within the general map of where professional diving work is before making a move.
Frequently asked questions
Is there saturation diving in Poland?
No. The Baltic is a shallow sea and the work is handled with surface-supplied diving. Activity consists of port construction, coastal energy infrastructure, dredging, hull work and inspection, with remote-asset support where needed.
How does the Baltic's low salinity affect the diver?
Less saline water is less dense and gives less buoyancy, so with the same equipment you need less weight than in fully saline seawater. It's a simple but real adjustment, and anyone arriving from another market should check it rather than assume their usual weighting.
Does offshore wind generate much diving work?
Less than is often assumed, directly. Installing foundations and turbines is carried out mainly with specialised vessels and remote assets; diving plays a role in inspection, occasional support, and work on coastal and connection infrastructure. The indirect effect on base ports and connection works is probably greater.
Is an international certificate enough to work in Poland?
Not automatically. Poland has its own qualification scheme, with training, medical fitness and registration managed by the relevant authority. European recognition mechanisms do exist, but how they apply depends on the relevant body and the type of work, so it's necessary to check before assuming anything.
Do you need to speak Polish?
For domestic port work, practically yes: operational communication, documentation and safety briefings are all conducted in Polish. On international energy projects, English works as the working language, and that's where anyone arriving from abroad finds a place sooner.
Is there work in winter?
There is work, but with limitations: ice in sheltered areas, storms, short days and very cold water. Many projects are rescheduled towards the better-weather window, which concentrates much of the workload between spring and autumn.
Published 9 September 2026 · By Arthur More, professional saturation diver
Photo: John D Fielding · CC BY via Openverse