Strategic Blueprint for the European Ocean Observation Initiative: Gap Analysis and Priority Actions

The EU Ocean Observation Initiative (OOI), a fundamental pillar of the European Ocean Pact (COM(2025) 281), aims to transform European ocean observation from a fragmented, project-based scientific endeavour into a unified, sovereign, and operational public infrastructure. As the EU prepares for the legislative European Ocean Act in 2027, it faces a critical imperative: European leadership in the Blue Economy, climate mitigation, and maritime security is unattainable while relying on disjointed data networks and non-EU technologies. This document serves as a strategic blueprint and direct input to the Commission's Call for Evidence. It outlines the structural deficiencies across five major problem areasmarket competitiveness, geopolitical autonomy, observation gaps, governance fragmentation, and the triple planetary crisis. By addressing the "Valley of Death" in European marine technology, leveraging European Research Infrastructure Consortia (ERICs) for shared procurement, and formally mandating the European Ocean Observing System (EOOS) governance structure, the EU can secure control over its marine data value chain. Implementing the priority actions outlined below will ensure the EU possesses the actionable marine knowledge required to protect its marine ecosystems, secure its critical seabed infrastructure, and successfully deploy the European Digital Twin of the Ocean (EU DTO) by 2030. The success of the European Ocean Pact relies entirely upon the establishment of a sovereign, highly integrated, and technologically advanced ocean observation network. By treating marine data as critical public infrastructuresupported by strategic shared procurement, a binding governance model under the Ocean Act, and seamless integration with the Digital Twin of the Oceanthe EU can overcome its current dependencies, close critical knowledge gaps, and lead the global effort in securing a sustainable maritime future.