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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)
- access
- charts
- cost
- data
- data-access
- data-format
- delivery
- dissemination
- eccharts
- entry
- expert
- faqs
- fields
- forecast-charts
- forecasts
- format
- free-data
- grib
- intermediate
- licence
- owned-single-by-adhs
- owned-single-by-usmk
- pred
- pricing
- product-requirements-editor
- public-data
- real-time
- real-time-data
- test-data
- troubleshooting
Blog Posts
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Blog: March 2026 (Nr. 8): Updates from ECMWF Data Support
created by
Mar 30, 2026
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Blog: January 2026 (Nr. 7): Updates from ECMWF Data Support
created by
Jan 23, 2026
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Blog: December 2025 (Nr. 6): Updates from ECMWF Data Support
created by
Dec 05, 2025
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Blog: August 2025 (Nr. 5): Updates from ECMWF Data Support
created by
Aug 28, 2025
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Blog: May 2025 (Nr. 4): Updates from ECMWF Data Support
created by
May 26, 2025
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
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