Horstmarer See, Horstmarer See – Mitte Badezone · Lake
The current water temperature at Horstmarer See is 18.7 °C (as of June 17, 2026, source: Badegewässer NRW (LANUK)).
Can you swim at Horstmarer See right now?
The current water temperature is 18.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Horstmarer See?
Currently 18.7 °C (updated continuously).