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  1. Home | IHO

    Hydrography provides the basis for all activities which involve the sea. The International Hydrographic Organization works to ensure that all the world's seas, oceans and navigable …

  2. International Hydrographic Organization - Wikipedia

    The International Hydrographic Organization (IHO) (French: Organisation Hydrographique Internationale) is an intergovernmental organization representing hydrography. [1][2] As of …

  3. IHO Standards - Hydro International

    Jan 5, 2009 · We provide educational insights, industry updates, and inspiring stories from the world of hydrography to help you learn, grow, and navigate your field with confidence.

  4. International Hydrographic Organization - OceanScape Portal

    To be the authoritative worldwide hydrographic body which actively engages all coastal and interested States to advance maritime safety and efficiency and which supports the protection …

  5. Standards and Specifications | IHO

    A principal Aim of the IHO is to ensure that all the world's seas, oceans and navigable waters are surveyed and charted.

  6. List of Member States of the International Hydrographic Organization

    As of August 2025, the International Hydrographic Organization (IHO) comprised 103 Member States, two of which are suspended because of their lapsed annual financial contribution. The …

  7. ABOUT IHO | IHO

    A principal Aim of the IHO is to ensure that all the world's seas, oceans and navigable waters are surveyed and charted.

  8. About the IHO | IHO

    Jan 14, 2021 · About the IHO The International Hydrographic Organization is an intergovernmental organization that works to ensure all the world's seas, oceans and …

  9. IHO Publications

    Almost all IHO publications can be downloaded free of charge. Some publications, however, are subject to restricted access and are indicated by this symbol. A principal Aim of the IHO is to …

  10. IHO Meetings and Events Calendar

    Aug 26, 2024 · The IHO Calendar contains information about meeting and events that are of interest to Member States, Industry Stakeholders, and Non-Governmental Organizations.