Atlantic, Bantry · Sea/Coast
The current water temperature at Atlantic is 18.0 °C (as of September 1, 2026, source: official monitoring networks).
The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.
This measurement series includes 1432 data points since July 3, 2026.
Lowest recorded value: 13.2 °C on July 13, 2026 · highest value: 22.3 °C on July 11, 2026.
In September, temperatures have ranged between 17.7 °C and 18.0 °C.
The current value is 0.2 °C above the September average of this series.
Can you swim at Atlantic right now?
The current water temperature is 18.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Atlantic?
Currently 18.0 °C (updated continuously).
How warm is at Atlantic in September?
In September, the water temperature recently averaged 17.8 °C.
When is the water warmest at Atlantic?
Across the measurement record, July is on average the warmest month (18.8 °C).