English Channel water temperature
English Channel, Weymouth · Sea/Coast
The current water temperature at English Channel is 18.9 °C (as of September 20, 2026, source: Regional Coastal Monitoring Programmes).
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 616 data points since July 22, 2026.
Lowest recorded value: 16.8 °C on September 9, 2026 · highest value: 21.9 °C on July 24, 2026.
In September, temperatures have ranged between 16.8 °C and 19.9 °C.
The current value is 0.5 °C above 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 18.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at English Channel?
Currently 18.9 °C (updated continuously).
How warm is at English Channel in September?
In September, the water temperature recently averaged 18.4 °C.
When is the water warmest at English Channel?
Across the measurement record, July is on average the warmest month (20.5 °C).
