The South African Navy commemorated World Hydrography Day, recognising the critical role of hydrography in safe navigation, maritime security, and environmental protection
Held in East London from Friday, the event aimed to raise awareness of hydrography’s vital role in maritime security, sustainable development, and ocean governance.
Vice Admiral Monde Lobeise, the Chief of the South African Navy, opened the event by posing a thought-provoking question:
“What has brought us together here today in East London?” He explained that the answer is “World Hydrography Day,” dedicated to celebrating the crucial yet often overlooked science of mapping the seas and oceans.
He said that the term ‘hydrography’ remains unfamiliar to many because hydrographic surveyors’ work typically occurs in remote offshore areas, away from the public eye.
“If you’re not on a survey platform, you don’t see the equipment or the processes involved in transforming raw data into valuable maritime information,” he said.
While he chose not to delve into the technical details, he highlighted that the event aimed to make hydrography more accessible to the public, especially young people.
“Our goal is to inspire the youth to consider careers in the maritime sector, whether in the private or public domain, by showcasing the science and its significance,” he said.
Attendees had the opportunity to visit the Navy’s vessels berthed in the harbor, including the flagship frigate SAS Amatola, and the newest Multi-Mission Inshore Patrol Vessels, SAS King Shaka Zulu and SAS Adam Kok III.
The Survey Motor Boat (SMB1) was critical. It was a purpose-built vessel essential in conducting hydrographic surveys aligned with national charting needs.
The Vice Admiral explained that World Hydrography Day was established in 2005 by the International Hydrographic Organisation (IHO), a UN-supported body. It is observed annually on June 21st, marking the organisation’s founding.
The day is a global platform to raise awareness about hydrography’s role in understanding the oceans and seas.
This year’s theme, “Seabed Mapping: Enabling Ocean Action,” underscores the importance of ocean floor mapping in achieving sustainable use of marine resources.
He stated that only approximately 26.1% of the ocean floor has been charted with modern precision, revealing vast gaps in our knowledge of the world’s oceans.
He highlighted that seabed mapping underpins critical industries such as shipping, fisheries, coastal tourism, and renewable energy, adding that it also supports environmental protection, biodiversity conservation, and climate change monitoring.
The Vice Admiral discussed international projects like Seabed 2030, a collaborative effort to map the entire ocean floor by 2030, and the strategic importance of hydrographic data in enhancing maritime security.
He stressed that investing in a dedicated survey ship for the South African Navy-currently under construction-will bolster the country’s ability to monitor and manage its vast maritime domain.
“Having our survey vessel is not just about technology; it’s about safeguarding our waters, supporting regional cooperation, and asserting our presence as a maritime nation,” he said.
“It will improve operational safety, facilitate international collaboration, and demonstrate our commitment to a secure and sustainable ocean environment.”
In concluding his speech, Vice Admiral Lobeise urged all stakeholders-government, industry, research institutions, and the private sector-to work together.
“Our oceans are enormous, and so are the challenges they present. But through shared effort, technology, and knowledge, we can chart a course toward sustainable ocean management,” he emphasised.
He also paid tribute to the dedicated hydrographic teams whose efforts underpin national security and ocean sustainability, describing them as ‘the unsung heroes supporting our maritime endeavours.
South African National Defence Force spokesperson Lieutenant Commander Obed Ramolefe Medupe reaffirmed the Navy’s commitment to advancing hydrographic capabilities.
He said the event would feature lectures, panel discussions, and opportunities for engagement among marine experts, students, and the public.
As the celebrations continue until June 22nd, the focus remains on fostering awareness, inspiring future maritime professionals, and strengthening South Africa’s role in global ocean governance.
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