Hydrography

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Guidance and regulation

• The UK Hydrographic Office (UKHO) Archive
  • Detailed guide
  • 23 August 2023
  • UK Hydrographic Office
• ADMIRALTY Marine Data Portal
  • Detailed guide
  • 1 April 2021
  • UK Hydrographic Office
• ADMIRALTY Tidal Prediction Service
  • Detailed guide
  • 29 August 2014
  • UK Hydrographic Office
• UK, UK Overseas Territories and UK Crown Dependencies Maritime Limits and Law of the Sea
  • Detailed guide
  • 10 July 2019
  • UK Hydrographic Office
• Format 1 - PDF - ADMIRALTY Tide Tables (ATT) format - times and heights of high and low waters, four months per page (A4 portrait)
  • Promotional
  • 28 April 2021
  • UK Hydrographic Office

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News and communications

• UK Hydrographic Office 2023-2024 Annual Report released
  • 14 August 2024
  • UK Hydrographic Office
  • News story
• Celebrating World Hydrography Day 2024
  • 29 July 2024
  • UK Hydrographic Office
  • News story
• John Dillon-Leetch receives the 2024 Alexander Dalrymple Award
  • 21 June 2024
  • UK Hydrographic Office
  • Press release
• Rear Admiral Chukwuemeka Ebenezer Okafor receives 2023 Alexander Dalrymple Award
  • 18 April 2024
  • UK Hydrographic Office
  • Press release
• The UKHO appoints Vanessa Blake as interim Chief Executive
  • 15 April 2024
  • UK Hydrographic Office
  • Press release

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Research and statistics

• Thames Estuary Sunk TE3A 2023
  • 12 September 2024
  • UK Hydrographic Office
  • Research
• Thames Estuary Long Sand Head TE5 2023
  • 12 September 2024
  • UK Hydrographic Office
  • Research
• Thames Estuary Fishermans Gat TE19 2023
  • 12 September 2024
  • UK Hydrographic Office
  • Research
• East Anglia The Roads EA8A 2023
  • 12 September 2024
  • UK Hydrographic Office
  • Research
• East Anglia Holm Channel EA9 2023
  • 12 September 2024
  • UK Hydrographic Office
  • Research

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Transparency and freedom of information releases

• UK Hydrographic Office Register of Board Members Interests
  • 20 December 2024
  • UK Hydrographic Office
  • Transparency
• UK Hydrographic Office 2023-2024 Annual Report released
  • 14 August 2024
  • UK Hydrographic Office
  • Corporate report
• UK Hydrographic Office Sustainability Roadmap
  • 19 December 2023
  • UK Hydrographic Office
  • Corporate report
• UK Hydrographic Office 2022-2023 Annual Report released
  • 24 August 2023
  • UK Hydrographic Office
  • Corporate report
• UK Hydrographic Office 2021-2022 Annual Report released
  • 19 August 2022
  • UK Hydrographic Office
  • Corporate report

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Organisations

• Maritime & Coastguard Agency
• Department for Science, Innovation & Technology
• Department for Transport

• UK Hydrographic Office