English Channel water temperature
English Channel, Boulogne-sur-Mer, Boulogne Centre Plage · Sea/Coast
The current water temperature at English Channel is 19.0 °C (as of September 20, 2026, source: Atlasanté).
The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.
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Water quality
EU classification: sufficientMeasurement series & statistics
This measurement series includes 590 data points since July 22, 2026.
Lowest recorded value: 18.8 °C on July 22, 2026 · highest value: 23.8 °C on August 14, 2026.
In September, temperatures have ranged between 18.8 °C and 20.5 °C.
The current value is 0.8 °C below the September average of this series.
Nearby waters
More measuring points: English Channel
Frequently asked questions
Can you swim at English Channel right now?
The current water temperature is 19.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at English Channel?
Currently 19.0 °C (updated continuously).
How warm is at English Channel in September?
In September, the water temperature recently averaged 19.8 °C.
When is the water warmest at English Channel?
Across the measurement record, August is on average the warmest month (21.9 °C).
How is the water quality at English Channel?
The official classification is: sufficient.
