Irish Sea, Formby at Formbysefton Mbc · Sea/Coast
The current water temperature at Irish Sea is 18.1 °C (as of June 29, 2026, source: official monitoring networks).
Can you swim at Irish Sea right now?
The current water temperature is 18.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Irish Sea?
Currently 18.1 °C (updated continuously).