Puhas Meri 2026 exercise. Estonia and Finland drill oil spill response in the Baltic.

From 9 to 11 June 2026, the international marine pollution response exercise Puhas Meri 2026 (Clean Sea 2026) concluded in the Kopli Bay area off Tallinn. The drill brought together the naval forces of Estonia and Finland, border guard services, maritime administration units and specialised civilian operators.

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12 june 2026   |   23:40   |   Source: Gazeta Morska   |   Prepared by: Kamil Kusier   |   Print

fot. leitnant Indrek Kuusk

Testing procedures and inter-agency coordination

The exercise scenario assumed a large-scale oil spill in waters with heavy shipping traffic. Its central aim was to test rapid response procedures, inter-agency coordination and the interoperability of military and civilian forces under crisis conditions.

Eleven vessels and air support

A total of 11 vessels took part, representing the navies of Estonia and Finland, the Estonian state fleet and the Finnish border guard. Air support was provided by the air forces of both countries, tasked with reconnaissance and monitoring the spread of the simulated oil slick.

Private sector on the water

The private sector played a significant role. Companies operating in maritime and environmental services joined the containment and clean-up operations, including the recovery of substances from the water surface and their transport ashore using port infrastructure.

The Baltic and the Gulf of Finland – high-risk waters

The Estonian naval command stressed that exercises of this kind are a key element in preparing the Baltic Sea region for large-scale environmental incidents. Particular emphasis was placed on the need for close cooperation between neighbouring states, above all in the Baltic Sea and the Gulf of Finland, where heavy tanker and merchant traffic markedly increases the risk of ecological incidents.

Towards integrated maritime crisis response

Puhas Meri 2026 confirmed the growing importance of integrated maritime crisis response systems, built on rapid information sharing, common operating procedures and the pooling of state and private resources.

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Puhas Meri 2026 ćwiczenia morskie Estonia Finlandia zwalczanie rozlewów olejowych bezpieczeństwo na Bałtyku reagowanie na skażenia morskie

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