The Tides and Survey sections within the Hydrographic Office of the Royal Australian Navy archives oceanographic data which includes tidal and bathymetric observations.
Observed tidal data has been obtained during surveys and from other national sources. Tidal constituents have been obtained from observation data. Approximately 600 observation stations are available in digital form. Tidal observations are obtained during Naval surveys and from other organizations. Duration of observations range from a few days to several months. Data are available on magnetic tape and in hardcopy form. Australian National Tide Tables contain annual prediction for 77 major ports and 250 secondary ports.