Waves generated by the wind is the principal driving force in the coastal environment; wave data for different coastal locations are provided here.


Currents unlike waves are translatory motion in the sea and are responsible for sediment transport in the coastal zone.


Tide is generated by the gravitational attraction of astronomical bodies on the rotating Earth; tidal amplitude is highest in the north and decreases towards south along the Karnataka coast.

Sea Level Data

The sea level is very dynamic, keeps fluctuating due to waves, tides and other forcing factors. The mean sea level is on the rise due to global warming.


The underwater topography in the seas is provided by bathymetry; bathymetry plays an important role in the coastal processes.


Minimum Beach Level (MBL) is the highest sea level that may occur at a coastal site in the climate change regime. Projections of MBL for different coastal locations are provided here.