The project envisages assessment of variations in the sea level due to climatic and other changes and impact of such variations on the coastal belt of India. A project for the establishment of modern tide gauges for measurement of tides more accurately was initiated. Modern tide gauges at 10 stations i.e. Bombay, Porbunder, Goa, Kochi, Tuticorin, Madras, Machlipatnam, Visakhapatnam, Paradeep and Kavarati are proposed to be set up. The project also includes preparation of contour maps of the coastal region. The data collected from the tide gauge stations and coastal maps form the basis for developing predictive models on sea level variations and storm surges.

Under this programme, 3 acoustic gauges have been installed at Goa, Madras and Port Blair. The data from these gauges was collected regularly and sent to the National Tide Data Centre at Survey of India, Dehradun. The gauge cabins at Porbunder, Goa, Kochi, Madras, Visakhapatnam and Kavarati were renovated to accommodate the modified tide gauge. Ten Float Digital Tide gauges were fabricated and 6 of them will be installed. Preliminary interpretation of 10 year tidal data from selected tide gauge stations was completed under the sub-project `Sea Level Variability in the Coastal Regions of India'.