ICNF (Portuguese Institute for the Conservation of Nature and Forests) recommend that tourist/pleasure vessels do not approach orcas.
https://www.amn.pt/DGAM/Capitanias/Olhao/Lists/Documentos_AMN/edital%20orcas_signed.pdf
Orca Recommendations by ICNF (Portugal)
Related to the following Cruising Resources: Orcas and Yachts
