Großer Wannsee water temperature

Großer Wannsee, Wannsee, Strandbad · Lake

The current water temperature at Großer Wannsee is 18.6 °C (as of September 15, 2026, source: Badestellen Berlin (LAGeSo)).

Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.

18.6 °C

Measured: September 15, 2026 · continuously updated

💧 Water 18.6° · ☀️ Air 18.5° · high today 20.2°

Temperature trend of recent weeks

Großer Wannsee — Photo: Colin Smith on geo.hlipp.de · CC BY-SA 2.0 · Wikimedia Commons

Water quality

EU classification: excellent · Visibility depth: 0.9 m

Nearby waters

Havel, Große Steinlanke · 1.6 km away18.9 °C Havel, Radfahrerwiese · 2.4 km away18.9 °C Havel, Alter Hof · 2.4 km away18.9 °C Schlachtensee · 2.8 km away19.7 °C Havel, Breitehorn · 3.0 km away19.7 °C

Frequently asked questions

Can you swim at Großer Wannsee right now?
The current water temperature is 18.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Großer Wannsee?
Currently 18.6 °C (updated continuously).

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

← All waters · Warmest lakes to swim today · Water temperature in Germany