Bruce E Jaffe, USGS Pacific Coastal and Marine Science Center Santa Cruz, Santa Cruz, CA, United States, Mark L Buckley, The University of Western Australia, Oceans Graduate School and The UWA Oceans Institute, Crawley, Australia; Wave Energy Research Centre, The University of Western Australia – Albany Centre, Albany, Australia, Jessica Pilarczyk, Simon Fraser University, Department of Earth Sciences, Burnaby, BC, Canada, Michaela Spiske, University of Basel, Basel, Switzerland, Steven G Watt, Tombolo GIS, Los Gatos, CA, United States and Stephen Mitchell, University of Southern Mississippi, Stennis, MS, United States