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Metocean intelligence

Metocean intelligence for decisions that can’t wait.

Hermess provides metocean data solutions that drive efficiency, safety and excellence of operations — at sea, on the coast, and on land.

Who we are

Physics and mathematics, applied at sea.

For more than two decades, Hermess has supported operations, engineering and the management of natural resources with high-quality environmental information. Our senior staff — oceanographers and meteorologists with backgrounds in physics and mathematics — combine cutting-edge numerical modelling with curated metocean databases to deliver data your project can be built on, wherever it operates.

20+
years of operational oceanography & meteorology
70
years of hindcast archive inside Datamesh
6
sectors served worldwide
8
services, from raw data to decision
Our team

Senior expertise, applied to your operation.

Every Hermess deliverable is backed by senior staff with a background in physics and mathematics, and more than 20 years of experience in operational and scientific oceanography and meteorology.

Joris de Vroom
Joris de Vroom
Metocean consultant & oceanographic modeller

Over 15 years managing and conducting metocean projects. Previously in operational maritime weather forecasting and climate research.

Jogchum Beetsma
Jogchum Beetsma
Managing Director

Metocean advisor and project manager with more than 20 years experience in metocean design criteria studies, workability analyses, planning and support of offshore and coastal operations and special transports.

Dr. Charles Calkoen
Dr. Charles Calkoen
Senior expert R&D

Data assimilation expert.

  • Assimilation of satellite and in-situ measurements in regional ocean circulation models
  • Data fusion techniques for assimilation of in situ measurements in model results

Oceanum Team

Dr. Peter McComb
Dr. Peter McComb
Managing Director, Oceanum — Physical Oceanographer

30 years experience in science leadership and ocean enterprise, building an extensive portfolio of applied science outcomes. He has designed and led numerous oceanographic measurement campaigns, metocean design projects, and modelling studies.

Dr. Tom Durrant
Dr. Tom Durrant
Physical Oceanographer

Oceanographer with over 20 years experience in applied research and operational forecasting. He has led the development of national wave forecasting systems for both the Australian Bureau of Meteorology and the Meteorological Service of New Zealand. Tom has extensive experience combining modern technological approaches with state-of-the-art science to produce agile and flexible modelling systems.

Dr. Rafael Guedes
Dr. Rafael Guedes
Physical Oceanographer

20+ years of expertise in nearshore wave modelling and coastal processes. At the Meteorological Service of New Zealand, he managed oceanographic hindcasting databases and contributed to the development of coastal wave forecasting systems. He has produced numerous multi-decadal wave hindcasts and continues to develop open-source tools that bridge science and technology.

Dr. David Johnson
Dr. David Johnson
Physical Oceanographer

Gradually evolved from an oceanographer into a data systems architect and engineer. With Oceanumio, he is applying over 20 years experience in applied numerical modelling, data analysis and visualisation to creating better tools and systems to facilitate environmental research, workflows and operations.

Services

Eight services, end to end.

From raw data to decision support — see the full Services page for details on Datamesh, Apps, Consultancy, Expert Modelling, Route Support, Research & Development, Forecast Services and Agro Weather.

Explore services

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