Data sources
Attribution & licences
SeaSignals is built on free and open data. We credit every provider here, and each API response carries the source and licence of its data in a provenance block.
| Source | Used for | Licence | Attribution |
|---|---|---|---|
| aisstream.io | Live vessel positions (coastal regions) | aisstream.io terms of service | AIS data from aisstream.io |
| GDACS (Global Disaster Alert and Coordination System) | Tropical cyclones worldwide: position, track, cone | Free use with attribution | Tropical cyclone data: GDACS, European Commission JRC / UN OCHA |
| NOAA National Data Buoy Center | Buoy observations | Public domain (US Government work) | Buoy observations: NOAA NDBC |
| NOAA National Hurricane Center | Atlantic & East Pacific advisories | Public domain (US Government work) | NOAA National Hurricane Center |
| OBIS (Ocean Biodiversity Information System) | Marine life occurrences | Per dataset (mostly CC0 / CC BY 4.0; stored on each record) | Occurrence data: OBIS, Intergovernmental Oceanographic Commission of UNESCO |
| Open-Meteo Marine & Forecast APIs | Wave, wind, current and sea temperature forecasts | CC BY 4.0; free API tier is for non-commercial use · non-commercial | Weather and wave data by Open-Meteo.com |
| UN/LOCODE | Port identifiers | Free to use | Port codes: UN/LOCODE, UNECE |
Notes
- Maps use OpenFreeMap tiles with © OpenStreetMap contributors.
- Open-Meteo's free API is for non-commercial use. During the free trial SeaSignals uses it for evaluation only; production plans will move to a commercial licence or open model data (ECMWF, NOAA WAVEWATCH III).
- Wildlife locations are rounded to about 11 km before they are stored or served, to protect sensitive species.
- SeaSignals is an analytics platform and is not for navigation. Always use official charts, forecasts and notices to mariners.