BrrChecker

Horstmarer See water temperature

Horstmarer See, Horstmarer See – Mitte Badezone · Lake

The current water temperature at Horstmarer See is 22.5 °C (as of August 12, 2026, source: Badegewässer NRW (LANUK)).

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

22.5 °C
Measured: August 12, 2026 · continuously updated
💧 Water 22.5° · ☀️ Air 20.4°
Horstmarer See
Photo: Sebastian “sebrem” B… · CC BY-SA 3.0 · Wikimedia Commons

Water quality

EU classification: sufficient · Visibility depth: 1.8 m

Nearby waters

Frequently asked questions

Can you swim at Horstmarer See right now?
The current water temperature is 22.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Horstmarer See?
Currently 22.5 °C (updated continuously).

How is the water quality at Horstmarer See?
The official classification is: sufficient.

Open in the BrrChecker app

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