13 Rue de Châtellier

Shom, the National Hydrographic Service, is the public operator of maritime and coastal geographic information. Shom's mission is to understand and describe the physical marine environment in its relationship with the atmosphere, the seabed and coastal areas, to predict its evolution and to ensure the dissemination of this information. It has a wide range of skills and expertise: bathymetry, sedimentology, coastal hydrodynamics, ocean modelling and forecasting, underwater acoustics, navigation and maritime safety, training, etc