Three Regional Sub-Commissions of the Intergovernmental Oceanographic Commission strengthen IOC-UNESCO’s presence and the implementation of its programmes in their region through targeted, decentralized activities, taking into account the specific interests and priorities of the Member States in their region. As the majority of Member States in the three regions are developing nations their activities have a strong capacity development focus.
IOC-Africa supports the development and coordination of the Commission’s marine scientific and research programmes, ocean services, ocean observing systems, capacity development and related activities in the region by facilitating coordination among Member States from Africa and reinforcing national and regional institutions that will foster intra-regional cooperation in marine sciences. The Regional Committee for the Central Eastern Atlantic (IOCEA) and the Regional Committee for the Western Indian Ocean (IOCWIO) were dissolved during the first session of IOC-Africa.
IOCARIBE is responsible for the promotion, development and co-ordination of IOC marine scientific research programmes, the ocean services, and related activities, including training, education and mutual assistance (TEMA) in the Caribbean and Adjacent Regions.
IOC Western Pacific regional's task is to develop, co-ordinate and implement regional marine scientific research programmes, ocean observations and services, data and information management and capacity building.