Leisure Marine

Precise voyage planning. Safety at sea. Racing advantage.
Up to 17 different meteo types
Ultra-high resolution regional forecasts
Global metocean forecasts
A spot meteogram
Free forecast data and downloads
12 supported maps
Save to favourites and view forecasts offline
Up to 4 forecast updates per day

Easy Start
with Our Web App

Lightweight browser version of the GRIBview application for the display of weather and ocean data overlays on charts.


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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

Theyr.com 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 theyr.com.

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

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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.