Estuaries of NSW

We collect statistical data on the physical features of 184 estuaries in NSW, including their size, location, estuary type and entrance condition.

We gather data on the physical properties of estuaries so that we can monitor, evaluate and report on the health of our estuary systems. We classify estuaries by:

  • region – Northern Rivers, Hunter-Central Rivers, Sydney Metropolitan, Southern Rivers
  • estuary group – oceanic embayment, tide dominated estuary, wave dominated estuary, intermittently closed estuary, freshwater body
  • estuary type – ocean embayment, drowned valley estuary, barrier estuary, barrier lagoon, interbarrier estuary, saline coastal lagoon, small coastal creeks, brackish barrier lake 
  • entrance condition – open or closed to the sea, intermittent, trained.

Search NSW estuaries