International Hydrographic Org
The IHO works to ensure all the physics & features of the oceans are measured.
International Hydrographic Org Instagram
International Hydrographic Org Instagram
International Hydrographic Org Facebook
International Hydrographic Org Facebook
International Hydrographic Org X
International Hydrographic Org X
International Hydrographic Org YouTube
International Hydrographic Org YouTube
World Hydrography Day 2026: Transforming How Ocean Data Is Shared | IHO
World Hydrography Day 2026: Transforming How Ocean Data Is Shared | IHO
Every year on 21 June, the International Hydrographic Organization (IHO) and its Member States celebrate World Hydrography Day, highlighting the vital role hydrography plays in improving our understanding of the ocean and supporting its safe, sustainable, and productive use.
2026 Ex Abyssis ad Alta award
2026 Ex Abyssis ad Alta award
Call for Applications - Professional Exchange MDK Belgium
Call for Applications - Professional Exchange MDK Belgium
We're Hiring! Security Scheme Operation Officer
We're Hiring! Security Scheme Operation Officer
GEBCO Symposium 2026
GEBCO Symposium 2026
A principal Aim of the IHO is to ensure that all the world's seas, oceans and navigable waters are surveyed and charted.
Webinar - Opportunities in the Marine & Maritime Sectors
Webinar - Opportunities in the Marine & Maritime Sectors
Video recording of the webinar Opportunities in the Marine & Maritime Sectors - Pathways for Women and Youth.
Historic Outcomes at 2026 Assembly: New Leadership, New Structures, and Global Standards | IHO
Historic Outcomes at 2026 Assembly: New Leadership, New Structures, and Global Standards | IHO
Representatives of the 104 IHO Member States reached decisions which will change the future of the organization during the 4th session of the Assembly last week. 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.
Global seabed mapping reaches new milestone as five million square kilometres added in a year | IHO
Global seabed mapping reaches new milestone as five million square kilometres added in a year | IHO
The Nippon Foundation-GEBCO Seabed 2030 Project announced that 28.7% of the world’s ocean floor has now been mapped, with almost five million square kilometres of data added over the past year.
ARHC and PAME Issue Joint Advisory Warning of Navigational Risks in a Rapidly Changing Arctic | IHO
ARHC and PAME Issue Joint Advisory Warning of Navigational Risks in a Rapidly Changing Arctic | IHO
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.".
IHO Youtube Channel - Thematic Session Live Stream
IHO Youtube Channel - Thematic Session Live Stream
Welcome to the International Hydrographic Organization (IHO) Official YouTube Channel! The IHO is an intergovernmental consultative and technical organization which supports safety of navigation and the protection of the marine environment.
Global hydrographic community to gather for IHO Assembly
Global hydrographic community to gather for IHO Assembly
Government representatives, maritime authorities, international organizations, and industry leaders from across the world will gather in Monaco from 20 to 23 April 2026 for the Assembly of the International Hydrographic Organization (IHO), the principal global forum for decisions on hydrography, seabed mapping, and maritime data standards.
The S-100 framework is now operational
The S-100 framework is now operational
Funded Opportunities for Training & Sea Survey Experience | IHO
Funded Opportunities for Training & Sea Survey Experience | IHO
As part of its ongoing commitment to strengthening hydrographic capacity worldwide, the IHO is pleased to share that several fully-funded opportunities for training and hands-on survey experience are currently open for applications, including a call to participate in a trans-Atlantic hydrographic survey.
CSB Tools Workshop 2026
CSB Tools Workshop 2026
Major Flag State Joins the International Hydrographic Organization | IHO
Major Flag State Joins the International Hydrographic Organization | IHO
Portraits from around the World | EWH
Portraits from around the World | EWH
There are many fascinating careers in hydrography, with as many interesting education and career paths leading to them. These portraits present women from around the world.
HYDROGRAPHIC AND OCEANOGRAPHIC SURVEYS – CALL FOR APPLICATIONS
HYDROGRAPHIC AND OCEANOGRAPHIC SURVEYS – CALL FOR APPLICATIONS
HYDROGRAPHIC TRAINING – CALL FOR APPLICATIONS
HYDROGRAPHIC TRAINING – CALL FOR APPLICATIONS
Aids to Navigation & International Standards: Making Navigation Safer
Aids to Navigation & International Standards: Making Navigation Safer
Geospatial Marine Analysis and Cartography Course - Applications Open!
Geospatial Marine Analysis and Cartography Course - Applications Open!
Industry Exhibition
Industry Exhibition
Women in Hydrography: New Data Reveal Gains in Leadership, Gaps in Workforce Representation
Women in Hydrography: New Data Reveal Gains in Leadership, Gaps in Workforce Representation
Nominations Open for the MSc in Hydrographic Science
Nominations Open for the MSc in Hydrographic Science
Member States Gather in Monaco for the IHO Council Meeting
Member States Gather in Monaco for the IHO Council Meeting
UNCLOS and the international legal framework suitability for ocean activities discussed at ABLOS Conference | IHO
UNCLOS and the international legal framework suitability for ocean activities discussed at ABLOS Conference | IHO
"The role of ITLOS in the peaceful settlement of maritime disputes" with H.E. Judge Tomas Heidar
"The role of ITLOS in the peaceful settlement of maritime disputes" with H.E. Judge Tomas Heidar
IBSC Recognised Programmes & Schemes
IBSC Recognised Programmes & Schemes
EU Coastal Nation Joins the IHO
EU Coastal Nation Joins the IHO
12th ABLOS Conference Agenda - Is UNCLOS fit for purpose in modern times?
12th ABLOS Conference Agenda - Is UNCLOS fit for purpose in modern times?
IHO-IAG ABLOS - Conferences & Meetings
IHO-IAG ABLOS - Conferences & Meetings
Smart Navigation Moves Closer to Reality
Smart Navigation Moves Closer to Reality
EWH Project Activities
EWH Project Activities
Call for abstracts ! Is UNCLOS Fit for Purpose in Modern Times?
Call for abstracts ! Is UNCLOS Fit for Purpose in Modern Times?
UK Gender Balance Fund - Call for Applications
UK Gender Balance Fund - Call for Applications
IHO Capacity-Building Initiatives
IHO Capacity-Building Initiatives
The Bahamas Joins the International Hydrographic Organization
The Bahamas Joins the International Hydrographic Organization
Achieving a Fully Mapped Ocean: A Call to Action
Achieving a Fully Mapped Ocean: A Call to Action
Side Event: Global Ocean Data Sharing
Side Event: Global Ocean Data Sharing
The Gambia Joins the IHO: Strengthening Hydrographic Capacity in West Africa
The Gambia Joins the IHO: Strengthening Hydrographic Capacity in West Africa
Importance of Hydrography
Importance of Hydrography
About the IHO
About the IHO
Initiatives from Around the World - Women in Hydrography
Initiatives from Around the World - Women in Hydrography
S-100 Universal Hydrographic Data Model
S-100 Universal Hydrographic Data Model
"Advancing Gender Balance and Promoting Career Opportunities in the Maritime and Marine Sectors" Webinar
"Advancing Gender Balance and Promoting Career Opportunities in the Maritime and Marine Sectors" Webinar
South West Pacific HC | IHO
South West Pacific HC | IHO
"Making Waves: Women in Hydrography" Webinar 🚺
"Making Waves: Women in Hydrography" Webinar 🚺
IHO EWH Project: Hydro3 certification with ENSTA Bretagne and the AFHy Shom
IHO EWH Project: Hydro3 certification with ENSTA Bretagne and the AFHy Shom
Training under the IHO - Nippon Foundation GEOMAC Project
Training under the IHO - Nippon Foundation GEOMAC Project
Women in Hydrography
Women in Hydrography
S-101 Project Team | IHO
S-101 Project Team | IHO
Major Milestone Achieved in Transition to Smart Navigation with Operational Editions of S-100 Standards
Major Milestone Achieved in Transition to Smart Navigation with Operational Editions of S-100 Standards
GEBCO | IHO
GEBCO | IHO
Data Centre for Digital Bathymetry | IHO
Data Centre for Digital Bathymetry | IHO
Standards and Specifications | IHO
Standards and Specifications | IHO
Crowdsourced Bathymetry
Crowdsourced Bathymetry
MOU & Agreements | IHO
MOU & Agreements | IHO
Mapping the Future: Fiji Hosts Pivotal Meetings on Ocean Mapping and Hydrography
Mapping the Future: Fiji Hosts Pivotal Meetings on Ocean Mapping and Hydrography
Nautical Cartography Working Group
Nautical Cartography Working Group
The IHO Continues Advancing Safe Navigation & Protection of the Marine Environment!
The IHO Continues Advancing Safe Navigation & Protection of the Marine Environment!
Insights from the IHO Council: perspectives on hydrography, smart navigation, S-100 and more.
Insights from the IHO Council: perspectives on hydrography, smart navigation, S-100 and more.
IHO-Nippon Foundation GEOMAC Project
IHO-Nippon Foundation GEOMAC Project
Council Members Discuss Progress in Transition to Smart Navigation and More
Council Members Discuss Progress in Transition to Smart Navigation and More
XIV Trans-Regional Seapower Symposium 2024
XIV Trans-Regional Seapower Symposium 2024
Winner of the first Ex Abyssis ad Alta Award announced
Winner of the first Ex Abyssis ad Alta Award announced
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