The Tidal Model: analysis based on Meleis's perspective

To critically reflect on the conceptual components of the Tidal Model in the application of the mental healthcare process. Critical analysis based on the Models of Theory Analysis, focused on the clarity and consistency of the theoretical components of the Tidal Model. The clarity of the theory was verified through the demonstration of the following components: functional, presuppositions, concepts and propositions. The consistency is due to the possibility of proven application in several countries with different populations. There is a vast field of research and possibilities of application in the Brazilian nursing consultation, in search of usefulness and support in nursing care.