Ahrensee water temperature

Ahrensee, Gemeindebadestelle Achterwehr am Ahrense · Lake

The current water temperature at Ahrensee is 20.0 °C (as of September 1, 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 1, 2026 · continuously updated

💧 Water 20.0° · ☀️ Air 17.0°

Temperature trend of recent weeks

Ahrensee — Photo: Christian Alexander Tietgen · CC BY 4.0 · Wikimedia Commons

Water quality

EU classification: excellent · Visibility depth: 1.0 m

Nearby waters

Westensee, Gemeindebadestelle Wulfsfelde am Westens · 2.1 km away21.0 °C Westensee, Badestelle Hohenhude am Westensee · 2.4 km away19.0 °C Naturistcamping Flemhuder See · 4.0 km away19.0 °C Westensee, Gemeindebadestelle in Wrohe am Westensee · 4.2 km away21.0 °C Badestelle am Schierensee · 4.6 km away20.0 °C

Frequently asked questions

Can you swim at Ahrensee 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 Ahrensee?
Currently 20.0 °C (updated continuously).

How is the water quality at Ahrensee?
The official classification is: excellent.

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