In the joint organization by the International Hydrographic Organization (IHO), the Hydrographic Commission for the Mediterranean and the Black Sea (MBSHC) and the Office of Navigation, Hydrography and Oceanography of the Turkish Navy (TN-ONHO), the “Introduction to S100 & S1XX Products and Data Conversion, Validation and Release of S100 Products”...

In the joint organization by the International Hydrographic Organization (IHO), the Hydrographic Commission for the Mediterranean and the Black Sea (MBSHC) and the Office of Navigation, Hydrography and Oceanography of the Turkish Navy (TN-ONHO), the "S-102, S-104 & S-111 Training" was held in Istanbul...

The 32nd PRIMAR Advisory Committee (PAC) Meeting was held in Gdansk, Poland, from 4 to 6 November 2025. In addition to PRIMAR, this annual meeting gathered representatives from more than 20 hydrographic offices as well as the Director...

On 22 October 2025, The Hydrographic Institute and Air, Maritime, and Railway Traffic Accidents Investigation Agency concluded the Agreement on expert and technical cooperation at the Agency’s premises...

On 24 October 2025, the Hydrographic Institute (HHI) welcomed 2nd grade students of the Split Nautical High School, nautical studies, accompanied by Professor Marijana De Marchi and Professor Drago Mimica...

On 30 September 2025, the first-year students of the Civil Engineering and Geodesy Technical School in Split, course of study: geodesy and geoinformatics technician, accompanied by their teacher prof. Lucija Žižić, visited the tide gauge of the Hydrographic Institute of the Republic of Croatia (HHI) in Split. This visit marks the ongoing...

A training course “S-57 to S-101 Conversion and S-100 Production Course” organised by the French Naval Hydrographic and Oceanographic Service (SHOM) and sponsored by PRIMAR was held for the members of the Eastern Atlantic hydrographic Commission (EAtHC) and the Mediterranean and Black Seas Hydrographic Commission (MBSHC) in Brest, France, from 15 to 19 September 2025..

The World Maritime Day 2025 takes place today, 25 September 2025. The theme of this year’s celebration by the International Maritime Organization (IMO) is “Our Ocean, Our Obligation, Our Opportunity” emphasising the importance of protection and sustainable use of marine ...

Agreement on scientific-research, educational, technical competence, and business cooperation between the Faculty of Maritime Studies in Split and the Hydrographic Institute of the Republic of Croatia was signed at the Faculty premises on 5 September 2025...

HHI released a new official navigational chart in paper form for the navigation area of Rijeka Krka and Prokljansko Jezero. This is an approach chart No. 42, titled: Rijeka Krka and Prokljansko Jezero, at 1:15 000 scale. The chart has been produced on WGS84 ellipsoid and shall be updated in Notice to Mariners...

The Hydrographic Institute of the Republic of Croatia launches its first ever edition of Newsletter covering key topics and activities from January to June 2025...