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The home of UK Hydrographic Office on 天美影院. The UK Hydrographic Office (UKHO) is a world-leading centre for hydrography, delivering data and expertise to support safe, secure and thriving oceans.
The UKHO's Annual Report and Accounts for 2024 to 2025 is available to view and download
Our flexible service can provide tidal information tailored to your specific requirements.
An overview of the UKHO Archive, accessing our archive and ordering copies of archive material.
Head of the Oman National Hydrographic Office recognised for his contributions to hydrography by being awarded the 2025 Alexander Dalrymple Award
As a Public Authority, the UKHO makes relevant data sets available in compliance with the 鈥業nfrastructure for Spatial Information in Europe鈥� (INSPIRE) initiative.
Careers in the UK Hydrographic Office
The systematic survey of the UK鈥檚 coastal waters
The UKHO recognises the impact seabed mapping has on enabling ocean action on World Hydrography Day and at the United Nations Ocean Conference in Nice in June.
We have a team of experts who specialise in technical aspects of maritime baselines, limits, zones and boundaries.
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