Middelharnis, meetboei · River
The current water temperature at Middelharnis is 21.4 °C (as of July 17, 2026, source: Rijkswaterstaat).
Can you swim at Middelharnis right now?
The current water temperature is 21.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Middelharnis?
Currently 21.4 °C (updated continuously).
How warm is at Middelharnis in July?
In July, the water temperature recently averaged 22.4 °C.