Großer Ratzeburger See water temperature

Großer Ratzeburger See, Ratzeburger See, Kalkhütte · Lake

The current water temperature at Großer Ratzeburger See is 26.0 °C (as of June 29, 2026, source: Badegewässer Schleswig-Holstein (Open Data SH)).

26.0 °C

Measured: June 29, 2026 · continuously updated

Temperature trend of recent weeks

Water quality

EU classification: excellent · Visibility depth: 2.3 m

Frequently asked questions

Can you swim at Großer Ratzeburger See right now?
The current water temperature is 26.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Großer Ratzeburger See?
Currently 26.0 °C (updated continuously).

Open in the BrrChecker app