Irish Sea water temperature

Irish Sea, Cleveleys · Sea/Coast

The current water temperature at Irish Sea is 17.6 °C (as of September 7, 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.

17.6 °C

Measured: September 7, 2026 · continuously updated

💧 Water 17.6° · ☀️ Air 17.2° · high today 18.7°

Temperature trend of recent weeks

Nearby waters

Irish Sea, Cleveleys at Cleveleyswyre Mbc · 9.7 km away18.9 °C Irish Sea, Bispham at Bisphamblackpool Mbc · 10.4 km away18.0 °C Irish Sea, Fleetwood Beach · 11.9 km away18.7 °C Irish Sea, Blackpool · 12.7 km away17.6 °C Irish Sea, Morecambe Bay · 13.5 km away17.6 °C

More measuring points: Irish Sea

Seascale at Seascale Northcopeland Mbc19.6 °C West Kirby @ Dee Lane19.6 °C St.bees at St.beescopeland Mbc19.3 °C Morecambe South at Midland Hotel19.2 °C Cleveleys at Cleveleyswyre Mbc18.9 °C Haverigg at Haveriggcopeland Mbc18.8 °C

Frequently asked questions

Can you swim at Irish Sea right now?
The current water temperature is 17.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Irish Sea?
Currently 17.6 °C (updated continuously).

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