CEREMA, a multidisciplinary scientific and technical centre of expertise, supports the development, implementation, and evaluation of public policies in areas such as urban planning, risk prevention, territorial cohesion, energy transition, resource conservation, and road and maritime safety.

IFREMER, a pioneer in ocean science, conducts cutting-edge research guided by principles of sustainable development and open science. Its mission is to advance scientific knowledge, expertise, and innovation to protect and restore the ocean, sustainably utilize marine resources for societal benefit, and generate and disseminate oceanic data, information, and knowledge.

Mercator Ocean International has been appointed as an ambassador for the Copernicus Marine Service. As a non-profit organization, Mercator Ocean International focuses on providing ocean science-based services aimed at conserving and sustainably utilizing oceans, seas, and marine resources. The organization implements the Copernicus Marine Environment Monitoring Service as part of the European Earth Observation program Copernicus.

The Copernicus Marine Service is dedicated to ocean observation, monitoring, and forecasting. It offers free, open, regular, and systematic reference information on the physical (blue), sea ice (white), and biogeochemical (green) state, variability, and dynamics of the global ocean and European regional seas.

Météo-France serves as the national weather and climate service in France, with its core mission focused on ensuring the meteorological safety of individuals and property. This is achieved through the preparation of a weather vigilance map that highlights hazardous weather phenomena, their impacts, and recommended precautions for public safety. In mainland France, this meteorological vigilance system is complemented by marine bulletins and avalanche risk assessments, while overseas territories benefit from a cyclone monitoring and warning system.

The Shom, which traces its origins to the world's first official hydrographic service in 1720, operates as a public administrative establishment under the supervision of the French Ministry of the Armed Forces. It serves as the primary operator for maritime and coastal geographic information in France.