Sea, ocean and coast
Browse sea, ocean and coast data products, tools and services

DEA Coastlines
Satellite data combined with tidal modelling to map typical annual locations of mean sea level coastlines since 1988

DEA Intertidal Elevation
Australia's intertidal zone mapped in 3D, providing 25 m resolution elevation data of beaches, tidal flats and shores

DEA Intertidal Extents
Lowest and highest observed tides for a chosen geographic cell, revealing the satellite-observed tidal range

DEA High and Low Tide Imagery
Cloud-free mosaics of the Australian coast, calculating geometric medians of highest and lowest 20% of tides

DEA Mangrove Canopy Cover
Annual maps that break canopy into three classes according to greenness of satellite image pixels at 25 m resolution