North Sea water temperature

North Sea, Wittdün · Sea/Coast

The current water temperature at North Sea is 17.5 °C (as of September 1, 2026, source: PEGELONLINE).

The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.

17.5 °C

Measured: September 1, 2026 · continuously updated

💧 Water 17.5° · ☀️ Air 17.3° · high today 18.7°

Temperature trend of recent weeks

North Sea — Photo: Størtebeker · CC BY-SA 3.0 · Wikimedia Commons

Water quality

EU classification: excellent

Measurement series & statistics

This measurement series includes 761 data points since July 3, 2026.

Lowest recorded value: 13.2 °C on July 9, 2026 · highest value: 21.6 °C on July 17, 2026.

Nearby waters

North Sea, Amrum · 2.2 km away19.0 °C North Sea, Föhr / Wyk · 14.0 km away19.0 °C North Sea, Hörnum · 15.1 km away18.9 °C North Sea, Pellworm · 20.5 km away19.0 °C North Sea, Dagebüll · 22.4 km away20.5 °C

More measuring points: North Sea

Westgate Bay Sampled For Swa Bathing Beach Survey26.3 °C St Mildreds Bay Sampled For Swa Bathing Beach Surv25.0 °C Minnis Bay Sampled For Swa Bathing Beach Survey24.5 °C Westbrook Bay Sampled For Swa Bathing Beach Survey24.3 °C Bathing Water Eec - Thames Estuary, Jubilee, Southend24.2 °C Bathing Water Eec - Thames Estuary, Thorpe Bay24.2 °C

Frequently asked questions

Can you swim at North Sea right now?
The current water temperature is 17.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at North Sea?
Currently 17.5 °C (updated continuously).

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

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