Rantzauer See, Barmstedt water temperature

Rantzauer See, Barmstedt · Lake

The current water temperature at Rantzauer See is 20.0 °C (as of September 7, 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.

20.0 °C

Measured: September 7, 2026 · continuously updated

💧 Water 20.0° · ☀️ Air 16.6°

Temperature trend of recent weeks

Water quality

EU classification: good · Visibility depth: 0.3 m

Nearby waters

Krückau, Elmshorn Hafen · 8.3 km away16.9 °C Pinnau, Uetersen · 13.4 km away16.5 °C Gemeinde Weddelbrook, Badestelle am Mühlenteich, Gemeinde Weddelbrook, Badestelle am Mühl · 13.4 km away19.0 °C Badesee Oberglinde · 13.9 km away18.0 °C Henstedt-Ulzburg, Badestelle am Beckersbergsee, Henstedt-Ulzburg, Badestelle am Beckersb · 14.9 km away20.0 °C

Frequently asked questions

Can you swim at Rantzauer See right now?
The current water temperature is 20.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Rantzauer See?
Currently 20.0 °C (updated continuously).

How is the water quality at Rantzauer See?
The official classification is: good.

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