Coastal Management Our coastline stretches 140km from Yeagarup to Walpole, and features sandy beaches, cliffs and dunes. Management of our coastal environment is via the following management plans: Coastal Management Plans Broke Inlet, Camfield Management Plan 2009 - 2029 (PDF, 10.4MB) Walpole and Nornalup Inlets Marine Park Management Plan 2009 - 2019 (PDF, 2.2MB) Windy Harbour Management Plan 2007 - 2017 (PDF)Windy Harbour Coastal Hazard Risk Management and Adaptation Plan - 2025 (PDF, 3.03MB)