To observe, archive and understand Guyana’s weather and climate and provide meteorological, hydrological and oceanographic services in support of Guyana’s national needs and international obligations.

This overall mission evolves from separate basic activities:

Observation and data collection to meet the needs of future generations for reliable, homogeneous national climatological , hydrological and oceanographic data;
 research RESEARCH
Research directed to the advancement of hydrological, oceanographic and meteorological sciences and the development of a comprehensive description and scientific understanding of Guyana’s weather, climate and water resources,
 services SERVICES
Provision of hydrological, meteorological, oceanographic and related data, information, forecasts, warnings, investigation and advisory services on a national, as well as international bases; and
Coordination of Guyana’s involvement in regional and international hydrology, meteorology, oceanography and related conventions.