This data and charts documentation can be used to help you access ECMWF data and charts.

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.

Quick start links:

Explore our open real-time forecast data (free to all)
Search our web-based data browser (some restrictions apply).
Explore our forecast charts (free to all)

See also documentation about using MARS (ECMWF's Meteorological Archival and Retrieval System)

See data and charts FAQs

Support portal

Problems logging in or with password? See our Login and authentication information

See software support

Please see:

Forecast user portal
Forecast user guide
ECMWF parameter database which contains a list of meteorological variables and details about their data format