Irish Sea water temperature

Irish Sea, Morecambe South at Midland Hotel · Sea/Coast

The current water temperature at Irish Sea is 21.5 °C (as of August 14, 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.

21.5 °C

Measured: August 14, 2026 · continuously updated

💧 Water 21.5° · ☀️ Air 17.3°

Temperature trend of recent weeks

Nearby waters

Irish Sea, Morecambe North at Town Halllancaster Mbc · 1.1 km away21.2 °C Irish Sea, Fleetwood Beach · 18.8 km away21.7 °C Windermere, Fell Foot · 23.0 km away19.2 °C Irish Sea, Cleveleys at Cleveleyswyre Mbc · 24.1 km away18.9 °C Irish Sea, Walney Biggar Bank at Biggar Bankbarrow-In-Furness Mbc · 25.0 km away22.6 °C

More measuring points: Irish Sea

Southport at Southportsefton Mbc26.0 °C Walney Sandy Gap at Sandy Gapbarrow-In-Furness Mbc22.7 °C Walney Biggar Bank at Biggar Bankbarrow-In-Furness Mbc22.6 °C Ainsdale at Ainsdalesefton Mbc22.2 °C St.annes at St.annes Pierfylde Mbc21.9 °C St Annes North at Starr Hills21.9 °C

Frequently asked questions

Can you swim at Irish Sea right now?
The current water temperature is 21.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Irish Sea?
Currently 21.5 °C (updated continuously).

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