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

The Hydrographic Institute of the Republic of Croatia (HHI), as the Croatian national hydrographic service and authorised body for issuing and maintaining the official navigational charts and publications, implemented QR codes to all its products...

Hydrographic Institute of the Republic of Croatia Launches New Geoportal on the Occasion of World Hydrography Day...

Workshop “S-100 for e-navigation – implementation of the new standard in the Republic of Croatia” organised by the Ministry of the Sea, Transport and Infrastructure, Hydrographic Institute of the Republic of Croatia (HHI) and PRIMAR, was held at HHI premises in Split on 23 May 2025...

The 16^th Meeting of the Marine Spatial Data Infrastructure Working Group (MSDIWG16) was held in Lisbon from 18 to 21 March 2025. The event gathered experts, stakeholders, and representatives from international organizations, who discussed key issues and future guidelines for the development of marine spatial data. The meeting began with introduction speeches and official opening, followed by multidisciplinary session focussing on...

Hydrographic Institute of the Republic of Croatia (HHI) hosted on 22 November 2024 a working meeting organised jointly with the Ministry of the Sea, Transport and Infrastructure (MMPI). The meeting was attended by...

The Hydrographic Institute of the Republic of Croatia (HHI) has deployed a directional waverider buoy in the aquatorium of the city of Ploče, in 43°0.575'N  17°23.476'E (WGS 84 coordinate system), with a light signal (group of five yellow flashes every 20 seconds) visible 4 NM. Navigation is...

Coastline has been publicly released on the HHI Geoportal, also allowing download services (WFS). The Adriatic Sea coastline is plotted on official nautical charts as the boundary between the land and the sea. Hydrographic Institute of the Republic of Croatia defines coastline as the intersection of a land surface and a geoid surface determined by the mean high...

Hydrographic Institute of the Republic of Croatia has published the new edition of official publication LIST OF LIGHTS AND FOG SIGNALS, Adriatic Sea – Eastern Coast, 2022, which includes all...

The HHI has launched its application “Viewer of Official Hydrographic Surveys”, which provides spatial data view services of all official hydrographic surveys in the Croatian part of the Adriatic Sea.

Hydrographic Institute of the Republic of Croatia (HHI) aims at contributing to the development of National Spatial Data Infrastructure (NSDI) and the achievement of objectives set under the INSPIRE Directive (INfrastructure for SPatial Information), and strives to ensure the interoperability of spatial data.