Instituto Hidrográfico (Portuguese Hydrographic Office, Hydrography Institute)

The Hydrographic Institute of Portugal (Instituto Hidrográfico) is a key institution dedicated to hydrographic and oceanographic research. It provides essential services such as producing nautical charts, tide tables, and other navigational aids to ensure maritime safety. The Institute also conducts research and surveys to support naval operations and contribute to scientific knowledge. Its mission includes ensuring safe navigation, supporting national defense, and promoting the sustainable use of marine resources.