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ROPME Sea Area HC

South West Atlantic HC

South-East Pacific HC

Seabed Mapping: Enabling Ocean Action - World Hydrography Day 2025

Seabed mapping supports all activities centred on the ocean, from safety of navigation to marine conservation, marine renewable energy, coastal resilience, and the ocean economy. This includes charting new shipping routes in polar regions to providing up-to-date data to improve climate change models.

Cartas Circulares de la Asamblea

S-57 ENC Portrayal

Introduction IHO Publication S-52 was developed in conjunction with the IMO Performance Standards for Electronic Chart Display and Information System (ECDIS). It provides specifications and guidance regarding the issuing and updating of Electronic Navigational Charts (ENC), and their display in ECDIS in terms of symbols and colours.

MEETINGS AFTER 2024

List of the South-East Pacific Regional Hydrographic Commission Meetings Note: To access the meeting page, you'll need an IHO Portal account. If you don't have one yet, don't worry! Creating an account is easy. Simply follow the instruction provided at the link here to set up your account and gain access to the meeting page. Click the IHO Portal to get started

MEETINGS AFTER 2024

List of the South West Atlantic Hydrographic Commission (SWAtHC) Meetings Note: To access the meeting page, you'll need an IHO Portal account. If you don't have one yet, don't worry! Creating an account is easy. Simply follow the instruction provided at the link here to set up your account and gain access to the meeting page. Click the IHO Portal to get started

IHO DCDB - temporary app during NCEI outage

Hurricane Helene caused severe damage to several areas of the East Coast of the USA, which in turn has significantly impacted the operations of NOAA's National Centers for Environmental Information (NCEI) in Asheville. Many of their systems including the online access to IHO DCDB-archived bathymetric data are currently down.