The session aims to present the state of art information systems in oceanography such as standards (metadata, vocabularies, ISO and OGC applications, data moldes), interoperability in ocean science (Interoperability forms, Web services, Quality of Services, Open standards), data circulation and services (quality assurance / quality control, preservation, network services) and Education in ocean science (Education and Research, Internet tools for education). Applications of informatics on ocean sciences and operational oceanography are important issue considered in the session.