Irish Sea water temperature

Irish Sea, Walney West Shore at West Shorebarrow-In-Furness Mbc · Sea/Coast

The current water temperature at Irish Sea is 21.3 °C (as of August 13, 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.

21.3 °C

Measured: August 13, 2026 · continuously updated

💧 Water 21.3° · ☀️ Air 17.2°

Temperature trend of recent weeks

Nearby waters

Irish Sea, Walney Sandy Gap at Sandy Gapbarrow-In-Furness Mbc · 2.1 km away22.7 °C Irish Sea, Walney Biggar Bank at Biggar Bankbarrow-In-Furness Mbc · 3.0 km away22.6 °C Irish Sea, Haverigg at Haveriggcopeland Mbc · 7.7 km away20.8 °C Irish Sea, Silecroft at Silecroftcopeland Mbc · 12.1 km away21.1 °C Irish Sea, Morecambe South at Midland Hotel · 26.3 km away21.5 °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 21.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Irish Sea?
Currently 21.3 °C (updated continuously).

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