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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.
As a Public Authority, the UKHO makes relevant data sets available in compliance with the ‘Infrastructure for Spatial Information in Europe’ (INSPIRE) initiative.
We have a team of experts who specialise in technical aspects of maritime baselines, limits, zones and boundaries.
ADMIRALTY Tide Tables (ATT) format - times and heights of high and low waters, four months per page (A4 portrait)
The systematic survey of the UK’s coastal waters
Enabling safe and sustainable marine economies across Commonwealth Small Island Developing States (SIDS).
This is a scanned version of a catalogue of charts and nautical publications produced by the Hydrographic Office available for purchase by the public in 1860
This is a scanned version of a catalogue of charts and nautical publications produced by the Hydrographic Office available for purchase by the public in 1914
The UKHO Archive Information Asset Register (IAR) contributes to the government-wide IAR, available through the Office of Public Sector Information.
HM Nautical Almanac Office provides the daily rise, set and twilight times in January for the United Kingdom and Ireland
Times and heights of high and low waters
Times and heights of high waters only
Hourly heights
Times and heights of high and low waters as in Format 12, but accompanied by interval heights (any time interval from a minimum of 1 minute to a maximum of 120 minutes)
We train students from foreign government hydrographic offices to acquire the core skills, knowledge and competence needed to be a marine cartographer.
How to propose a new survey, what data the UKHO requires for a nautical chart, and how to report safety critical information or errors in our products
This document gives an overview of progress made in the first 2 years of the programme.
UKHO obtains ISO certification
Information on CME Programme outputs providing marine data and capacity building in the Caribbean.
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