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The home of UK Hydrographic Office on GOV.UK. The UK Hydrographic Office (UKHO) is a world-leading centre for hydrography, specialising in marine geospatial data to support safe, secure and thriving oceans.
UKHO obtains ISO certification
An overview of the UKHO Archive, accessing our archive and ordering copies of archive material.
Our flexible service can provide tidal information tailored to your specific requirements.
Careers in the UK Hydrographic Office
The UK Hydrographic Office (UKHO) is a world-leading centre for hydrography, specialising in marine geospatial data to support safe, secure and thriving oceans.
As a Public Authority, the UKHO makes relevant data sets available in compliance with the ‘Infrastructure for Spatial Information in Europe’ (INSPIRE) initiative.
The systematic survey of the UK’s coastal waters
Vanessa Blake, UK Hydrographic Office’s Chief Customer Officer, to succeed outgoing Chief Executive Peter Sparkes
We have a team of experts who specialise in technical aspects of maritime baselines, limits, zones and boundaries.
Former Hydrographer of the Nigerian Navy recognised for services to international hydrography in latest edition of the annual honour.
As a trading fund of the Ministry of Defence (MOD), we produce a global range of charts, publications and digital services for the Royal Navy and other defence customers.
ADMIRALTY Tide Tables (ATT) format - times and heights of high and low waters, four months per page (A4 portrait)
How to supply goods and services to the UK Hydrographic Office.
The UK Centre for Seabed Mapping (UK CSM) programme team co-hosted an event with The Royal Society to explore the vital role of seabed mapping in ocean science.
How the UK Hydrographic Office is directed and managed.
Bespoke Security of Navigation, Stabilisation Advice and Training (SONSAT) to support maritime security and safety of navigation
Routine resurveys are undertaken in areas where the seabed itself is highly mobile.
The UKHO's Annual Report and Accounts for 2022 to 2023 is available to view and download
A summary of the UK Marine Geospatial Community’s Evidence Base and Recommendations
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