Welcome

Welcome to data & charts support - here you will find out how to access ECMWF products: forecast and archive data, forecast charts, and other datasets. The knowledge base also includes links to MARS and Web API documentation.

• If you are just beginning to explore the products available from ECMWF, the costs and what licence you might need, please start from our forecast charts and data pages.
• You can search our data from our web-based catalogues (some restrictions apply).
• You can see our forecast charts (free to all).
• The documentation in this data support knowledge base provides you with more detailed documentation about accessing our data and charts.