North Sea water temperature
North Sea, Bathing Water Eec - Thames Estuary, Westcliff Bay · Sea/Coast
The current water temperature at North Sea is 18.7 °C (as of September 24, 2026, source: Environment Agency).
The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.
18.7 °C
Nearby waters
North Sea, Bathing Water Eec - Thames Estuary, Chalkwell 17.6 °CNorth Sea, Southend-on-Sea 16.4 °CNorth Sea, Bathing Water Eec - Thames Estuary, Bell Wharf, Leigh 17.6 °CNorth Sea, Bathing Water Eec - Thames Estuary, Jubilee, Southend 18.9 °CNorth Sea, Bathing Water Eec - Thames Estuary, Thorpe Bay 17.5 °C
More measuring points: North Sea
Frequently asked questions
Can you swim at North Sea right now?
The current water temperature is 18.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at North Sea?
Currently 18.7 °C (updated continuously).
