World Hydrography Day 2026

Celebrated on 21 June, World Hydrography Day is designed to raise awareness about hydrography and how it plays a role in improved knowledge of the seas and oceans.

The theme this year is:

"Transforming how ocean data is shared"

For further information on World Hydrography Day, please visit:

Events

On Thursday 18 June 2025, join the Australasian Hydrographic Society (AHS) in celebrating World Hydrography Day 2026 at Novotel Wollongong Northbeach.

This annual event brings together hydrographic professionals, industry leaders, and emerging practitioners for a day of knowledge sharing, professional development, and networking.

For further information, please visit: