SEAF in Darwin Harbour

Darwin Harbour is one of northern Australia’s most significant tropical marine environments.

It supports major port operations, defence infrastructure, energy projects and wastewater treatment facilities, while sustaining extensive mangrove forests, seagrass beds, coral communities and rich biodiversity valued by Traditional Owners and the broader Darwin community.

SEAF will help ensure decisions about the harbour’s future are informed by the best available data and modelling. Developed by WAMSI and WABSI, it provides a shared, trusted mechanism for interpreting environmental data and delivering consistent, transparent, science-based analytics for government, industry and the community.

Darwin Harbour is a priority region for SEAF, where rapid industrial development, environmental pressures and community interests converge. The proposed Middle Arm Project and ongoing port and defence developments require cumulative impact assessment beyond traditional project-by-project evaluation. By bringing together data, modelling and expertise across sectors, SEAF strengthens environmental assessments and supports long-term stewardship of this cherished harbour.