Every year on 21 June, World Hydrography Day is celebrated to highlight the vital importance of hydrography in securing the safety of navigation, protecting the marine environment, sustainably managing marine spaces and resources, and fostering a deeper understanding of our seas and oceans. The International Hydrographic Organization (IHO) has chosen the 2026 theme "Transforming how ocean data is shared", emphasising the critical role of modern standards and technologies...