1. Nelson Mandela University, Gqeberha, South Africa
2. South African Environmental Observation Network, Cape Town, South Africa
3. Institute of Coastal and Marine Research, Nelson Mandela University, Gqeberha, South Africa
4. Department of Forestry, Fisheries and the Environment, Branch: Oceans and Coasts, Cape Town, South Africa
5. Nansen Tutu Centre, University of Cape Town, Cape Town, South Africa
6. Marine Unit, South African Weather Service, Cape Town, South Africa