North Sea water temperature
North Sea, Sylt – Westerland (Boje) · Sea/Coast
The current water temperature at North Sea is 14.8 °C (as of October 15, 2026, source: Copernicus Marine Service).
The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.
Measurement series & statistics
This measurement series includes 324 data points since September 28, 2026.
Lowest recorded value: 14.4 °C on October 14, 2026 · highest value: 16.5 °C on October 6, 2026.
In October, temperatures have ranged between 14.4 °C and 16.5 °C.
The current value is 0.7 °C below the October average of this series.
Nearby waters
More measuring points: North Sea
Frequently asked questions
Can you swim at North Sea right now?
The current water temperature is 14.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at North Sea?
Currently 14.8 °C (updated continuously).
How warm is at North Sea in October?
In October, the water temperature recently averaged 15.5 °C.
