Highest astronomical tide - Queensland

Geographic features - Queensland series

Created 24/02/2025

Updated 24/02/2025

The highest astronomical tide line (HAT) represents an approximation of the land-tidal water interface at the highest water level that can be predicted to occur under any combination of astronomical conditions. This dataset includes the eastern seaboard from the Queensland-New South Wales border to Port Douglas and offshore islands as well as some far northern islands and coastline.

Source

This data file or API can be downloaded from:

http://qldspatial.information.qld.gov.au/catalogue/custom/search.page?q=%22Highest%20astronomical%20tide%20-%20Queensland%22