North Sea water temperature

North Sea, Weststrand, Norderney · Lido

The current water temperature at North Sea is 17.4 °C (as of September 20, 2026, source: official monitoring networks).

Pools and lidos follow their own rules — heated, spring-fed or sun-dependent. Here the operator's on-site report is what counts.

17.4 °C

Measured: September 20, 2026 · continuously updated

💧 Water 17.4° · ☀️ Air 16.6° · high today 18.5°

Temperature trend of recent weeks

North Sea — Photo: Dietmar Rabich · CC BY-SA 4.0 · Wikimedia Commons

Water quality

EU classification: excellent

Measurement series & statistics

This measurement series includes 610 data points since July 22, 2026.

Lowest recorded value: 17.4 °C on September 19, 2026 · highest value: 22.1 °C on August 4, 2026.

In September, temperatures have ranged between 17.4 °C and 19.7 °C.

The current value is 1.2 °C below the September average of this series.

Nearby waters

North Sea, Norderney · 1.2 km away17.4 °C North Sea, Juist · 5.9 km away17.7 °C North Sea, Baltrum · 17.2 km away17.5 °C North Sea, Dornumersiel · 22.0 km away17.5 °C North Sea, Langeoog · 23.2 km away17.5 °C

More measuring points: North Sea

Jaywick Beach21.4 °C Tankerton Site21.1 °C Westbrook Bay Sampled For Swa Bathing Beach Survey21.0 °C Minnis Bay Sampled For Swa Bathing Beach Survey20.9 °C Minster Leas, Minster, Kent20.7 °C Clacton Beach20.6 °C

Frequently asked questions

Can you swim at North Sea right now?
The current water temperature is 17.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at North Sea?
Currently 17.4 °C (updated continuously).

How warm is at North Sea in September?
In September, the water temperature recently averaged 18.6 °C.

When is the water warmest at North Sea?
Across the measurement record, August is on average the warmest month (20.4 °C).

How is the water quality at North Sea?
The official classification is: excellent.

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