Hungarian Hydrological Forecasting Service was founded on 1 March 1892. Starting from 1929 it operated within the Institute of Hydrology. In 1952 the Research Institute for Water Resources Development (VITUKI) was established, HHFS operated within VITUKI until its closing in 2012. From 1 August 2012 HHFS operates within the General Directorate of Water Management (OVF).
Main activities of HHFS:

• acqusition, processing and delivery of actual hydrological data
• hydrological forecasting
• acqusition, processing and delivery of shallow section information
• acqusition, processing and delivery of meteorological observation and forecast data
• acqusition, processing and delivery of snow and river ice related data