Rantzauer See, Barmstedt · Lake
The current water temperature at Rantzauer See is 22.6 °C (as of August 10, 2026, source: Badegewässer Schleswig-Holstein (Open Data SH)).
Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.
Can you swim at Rantzauer See right now?
The current water temperature is 22.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Rantzauer See?
Currently 22.6 °C (updated continuously).
How is the water quality at Rantzauer See?
The official classification is: good.