Forecast charts and data

We provide global forecasts, climate reanalyses and specific datasets. These are available via the web, point-to-point dissemination, data servers and broadcasting.

ECMWF’s operational forecasts aim to show how the weather is most likely to evolve. To do this, the Centre produces an ensemble of predictions. Individually they are full descriptions of the evolution of the weather. Collectively they indicate the likelihood of a range of future weather scenarios.

In this section you will find the products, tools, documentation and information you need to make the best use of our data.


Our Integrated Forecasting System (IFS) provides forecasts at different resolutions and for multiple time ranges.

Our forecast products are designed to meet different user requirements. They present key aspects of how the weather and related Earth system components are predicted to evolve, with the associated uncertainty.

Find out more about the quality of our forecasts and our monitoring products.

Datasets and web products

Forecasts, analyses, climate reanalyses, re-forecasts and multi-model data are available from our archive (MARS) or via dedicated data servers or point-to-point dissemination.

Real-time and archived dataset pages provide a detailed description of the product (whenever possible):
dissemination schedule, base time, forecast steps and resolution, list of parameters with details and download link.

Depending on who you are, you will be able to access different types of products and services.

Free public datasets

The following resources are accessible free of charge (conditions may apply).

Dataset image

Licensed datasets

The following resources are available on subscription (conditions apply)

Real-time Catalogue

The Real-time Catalogue is available to licensed partners and collaborators