North Sea, Den Helder · Sea/Coast
The current water temperature at North Sea is 20.6 °C (as of September 1, 2026, source: Open-Meteo marine model).
The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.
This measurement series includes 596 data points since July 3, 2026.
Lowest recorded value: 19.5 °C on July 22, 2026 · highest value: 22.2 °C on August 14, 2026.
Can you swim at North Sea right now?
The current water temperature is 20.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at North Sea?
Currently 20.6 °C (updated continuously).