ECCC/MSC Open Data: free anonymous access to weather/climate/water via OGC-compliant GeoMet APIs

Claim: Environment and Climate Change Canada / Meteorological Service of Canada (MSC) publishes weather, climate, and water datasets via OGC-compliant APIs through MSC GeoMet — "anonymous and free of charge."

Sources:

• https://eccc-msc.github.io/open-data/licence/readme_en/
• https://eccc-msc.github.io/open-data/msc-geomet/readme_en/

Confidence: Verified.

Required attribution: "Contains information licenced under the Data Server End-use Licence of Environment and Climate Change Canada." (Note: third-party data inside MSC products may carry separate terms — check per-dataset metadata.)

For Candid client use: Weather data drives insurance, agriculture, outdoor services, and construction scheduling. The MSC AMQP feed delivers near-real-time updates — buildable into alerting products. Pairs with NOAA/NWS: information on NWS web servers is in the public domain — no attribution required, provided "as is" for the U.S. side.