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Internationl Hydrographic Organization
  • About IHO
    • Staff
    • About
    • Member States
    • Basic Documents
    • Circular Letters
    • Assembly
    • Council
    • Finance Information
    • IHO Strategic Plan and Work Programme
    • Projects & Initiatives
    • External Liaisons
    • IHO Disclaimer, Privacy & Copyright Notice
    • Spanish Content
    • Visit Us
  • Inter-Regional Coordination
    • Inter-Regional Coordination Committee (IRCC)
    • Regional Hydrographic Commissions (RHCs)
    • Capacity Development & Technical Cooperation
    • Education & Programme Recognition
  • Services & Standards
    • Hydrographic Services & Standards Committee (HSSC)
    • Scope of Standardization Activities
    • ENC & ECDIS
    • S-100 Universal Hydrographic Data Model
  • Publications
    • Index of IHO Publications
    • International Hydrographic Review
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There are 367 results for “sea” in All


News

Historic Outcomes at 2026 Assembly: New Leadership, New Structures, and Global Standards

Representatives of the 104 IHO Member States reached decisions which will change the future of the organization during the 4th session of the Assembly. This triennial event held in Monaco saw crucial advancements in hydrography and international collaboration including the creation of a new entity, a new office, as well as new leaders.

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Historic Outcomes at 2026 Assembly: New Leadership, New Structures, and Global Standards

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ARHC and PAME Issue Joint Advisory Warning of Navigational Risks in a Rapidly Changing Arctic

The Arctic Regional Hydrographic Commission (ARHC) and the Arctic Council Working Group on the Protection of the Arctic Marine Environment (PAME) have officially released a joint advisory titled "Caution Required When Navigating in Arctic Waters.".

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ARHC and PAME Issue Joint Advisory Warning of Navigational Risks in a Rapidly Changing Arctic

S-57 FAQ's

S-57 Frequently Asked Questions

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S-57 Encoding Bulletins

S-57 Edition 3.1 Encoding Bulletins

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USCHC45 Meeting (2022)

45th US/Canada Hydrographic Commission (USCHC) Meeting Ottawa, 9-10 June 2022

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USCHC44 Meeting (2021)

44th US/Canada Hydrographic Commission (USCHC) Meeting VTC, 18-19 March 2021

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SAIHC17 (2021)

SAIHC17 Plenary VTC Meeting 3rd ~4th February 2021 

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64th Meeting (2021)

NHC64 - VTC Meeting 20th ~ 21st April 2021 LIST OF DOCUMENTS

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Cartas Circulares 2025

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Oceanic Data Sharing and the Law of the Sea to be addressed in ABLOS Seminar
News
Oceanic Data Sharing and the Law of the Sea to be addressed in ABLOS Seminar
At Sea with the EWH Project: Member State Participants Gain Hydrographic Survey Experience
News
At Sea with the EWH Project: Member State Participants Gain Hydrographic Survey Experience
News archive

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