Celtic Sea, Ballycotton · Sea/Coast
The current water temperature at Celtic Sea is 19.5 °C (as of July 18, 2026, source: official monitoring networks).
Can you swim at Celtic Sea right now?
The current water temperature is 19.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Celtic Sea?
Currently 19.5 °C (updated continuously).
How warm is at Celtic Sea in July?
In July, the water temperature recently averaged 19.6 °C.