Data sources

We aggregate and process data from public sources. Below is the full list along with the licences.

Water temperature - foreign destinations

Sea temperature data comes from Open-Meteo, provided under the CC BY 4.0 licence.

Water temperature in Poland

Measurements from the hydrological stations of IMGW-PIB. Data processed by temperaturawody.pl (including matching the nearest station to each bathing site).

Sanitary assessment, cyanobacteria and testing history

Bathing suitability assessments, information on cyanobacterial blooms, bans and testing history come from the GIS Bathing Water Service (sanitary inspection data). Data processed and aggregated.

Place search

The database of Polish localities and their coordinates (for the "near" search) comes from GeoNames, licensed under CC BY 4.0.

Disclaimer

This service is informational. The data may be several days old and does not replace official announcements. Before swimming, check the current status with your local sanitary inspection or the bathing-site operator.