National Operations Centre (NOC) Tidal Unit

The NOC Tidal Unit is the primary source of tide tables, tidal streams and tidal constituents provided to the Australian Hydrographic Service. The NOC Tidal Unit also manages the national data archive for sea levels and tides.


The NOC Tidal Unit produces a range of products involving tidal and sea level processes:

The NOC Tidal Unit is located within the South Australian Regional Office in Adelaide. Contact details are:

NOC Tidal Unit
Australian Bureau of Meteorology
L4, 431 King William
Adelaide SA 5000