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Seasonal to Decadal (S2D) Forecasts

Seasonal to Decadal (S2D) Forecasts

The seasonal to decadal forecasts on ClimateData.ca show the probabilities of future monthly, seasonal, or decadal conditions compared to the 1991 to 2020 historical reference period. Monthly forecasts are available for the next three months, seasonal forecasts are available for rolling 3-month periods over the next 12 months, and decadal forecasts will be available for two 5-year periods spanning the next 10 years.

What’s new?

Introducing Seasonal Forecasts on ClimateData.ca

Seasonal forecasts are now available on ClimateData.ca’s interactive maps and download page! There you can find location-specific information for monthly to seasonal forecasts – with decadal forecasts coming soon.

Find everything you need to know about seasonal to decadal (S2D) forecasts here in one place, including links to forecast products, Learning Zone articles for guidance, News stories on S2D topics, and answers to frequently asked questions.

If there’s an S2D forecast product you’d like to see on ClimateData.ca, or if you are interested in sharing how you use S2D forecasts in your work, we’d love to hear from you!

Subscribe for information about future S2D products and services.

Quick links

S2D FAQ

Learning Zone

External resources

ECCC Seasonal Forecast Maps

Canadian Seasonal to Interannual Prediction System (CanSIPS) forecast maps for Canada and globally.

ECCC Seasonal Forecast Data and Products

CanSIPS forecasts on the MSC GeoMet web service and MSC Datamart data server.

ECCC MSC AniMet

Mapping tool for interacting with MSC open data including CanSIPS forecasts.

ECCC Fire Weather Severity Monthly and Seasonal Forecasts

Based on CanSIPS, the Canadian Wildland Fire Information System (CWFIS), and advice from provincial agencies.

AAFC Canadian Drought Outlook Monthly Forecasts

Generated using ECCC’s Global Ensemble Prediction System (GEPS) combined with the Canadian Drought Monitor (CDM).

WMO Global Annual to Decadal Climate Update

Synthesis of predictions including those from the ECCC Canadian Centre for Climate modelling and analysis (CCCma).