Theyr produces the mechanisms to deliver, view and analyse
the data within proprietary and third party applications.

Technology for Time & Fuel Efficiency

Learn more

Commercial Shipping

Theyr is the preferred metocean data partner of many of the maritime industry's best known organisations.

We work closely with our University partners and clients to push the digital boundaries that are shaping our maritime world.

We provide the science and the software to support commercial maritimes complex and diverse metocean data and voyage optimisation requirements.

Learn more

Leisure Marine

We at Theyr believe that every mariner, no matter how experienced, should use high-resolution weather forecasts as it's a critical aspect of safety at sea.

With our GRIBview application you can get access to the highest resolution weather forecasts built on super high-precision data from 10km down to 1km resolution on an hourly time step.

Learn more

Our Technologies

Our enterprise applications and enterprise level services complement, support, and meet enhanced data requirements of our clients.

Providing global high-resolution forecast and hindcast data from our comprehensive portfolio and the applications to request in the most efficient way, draw and analyse this data as required by our clients.

Learn more

When RORC are asked by race competitors or others for weather information, we direct them to the theyr website, because it has accurate and accessible weather forecast data that we use ourselves.

Royal Ocean Racing Club

Of all the various websites supplying weather information, I have always found yours to be the most accurate. I started using your site when I was the Training Officer for the local RNLI station and word spread like lightning around the various UK stations of how good yours is.

Mike Pearson
International Race Officer (Yachting), & Former RNLI Training Officer weather products represent an innovative step for the yachtsman to gain a much more detailed insight than previously possible into the weather conditions likely to be encountered en route." The TRANSAT is the first ocean race that has had a weather support service of the calibre provided by

Transat Press Release

I have been using theyr for many years now. Thanks for a very useful and reliable forecast. I am captain of a small cargo vessel crossing the North Atlantic from Norway to Faroes and Iceland.

Djóni Joensen,
Captain M/V Havfrakt

Have questions? We would be happy to answer.

Send us an email
Our forecasts are used by many of the world's best known maritime organisations, businesses and professionals.
From the most successful Olympic sailing teams and Americas cup teams to the biggest commercial names in the industry.