BrrChecker

Irish Sea water temperature

Irish Sea, Fleetwood Beach · Sea/Coast

The current water temperature at Irish Sea is 16.1 °C (as of September 9, 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.

16.1 °C
Measured: September 9, 2026 · continuously updated
💧 Water 16.1° · ☀️ Air 14.5° · high today 16.2°
Temperature trend of recent weeks
Irish Sea
Photo: Keith Burroughs · CC BY-SA 2.0 · Wikimedia Commons

Nearby waters

More measuring points: Irish Sea

Frequently asked questions

Can you swim at Irish Sea right now?
The current water temperature is 16.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Irish Sea?
Currently 16.1 °C (updated continuously).

Open in the BrrChecker app

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