Access tidal predictions for the coastline of the British Isles and Ireland, built using accurate and reliable data from the countries’ largest network of tidal stations.
The Tidal API allows you to build tidal height and stream predictions into your own applications, according to your requirements.
The Tidal API offers different subscription options depending on your requirements:
Foundation - provides a 1-year subscription to access the current plus 13 days’ worth of tidal height and stream events for a wide range of tidal height stations and stream locations around the British Isles and Ireland.
£144.00 (inc. VAT), access the ADMIRALTY API Developer Portal to find out more.
Premium - provides access to historical and the current plus 1 years’ worth of tidal events and interval predictions for a wide range of tidal height stations and stream locations around the British Isles and Ireland.
£360 (inc. VAT) access the ADMIRALTY API Developer Portal to find out more.
Access ADMIRALTY APIs
Sign up to the ADMIRALTY API Developer Portal to enable access to ADMIRALTY APIs. This portal also contains documentation and code snippets to help you get the best out of the UK Tidal API.
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About our data
The UK Hydrographic Office is a leading centre for hydrography, providing marine geospatial data to inform maritime decisions. We work with a wide range of data suppliers and partners to support maritime navigation, safety, security and marine development around the UK and worldwide.
We make location-based information available through ADMIRALTY Maritime Data Solutions, our world-leading range of charts, publications and custom data sets.
Find out more about the UKHO >