English Channel 23.2 °C, North Sea 21.4 °C, Celtic Sea 22.5 °C. The coldest spot is Rede, Birdhope Bridge at 11.4 °C. As of September 20, 2026, 606 locations from Environment Agency, Regional Coastal Monitoring Programmes and Cefas.



8 regions, each with today's range and its best-known spots. Tap one to open the region's list.







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601 readings are measurements from official and open networks, above all Environment Agency, Regional Coastal Monitoring Programmes and Cefas; 5 values come from models. Beyond temperature, this page carries tides for 457 coastal spots and wave height at 71 buoys. Added in the last 30 days: Lee, Springfield Park, Lee, Lea Bridge Weir and Thames, Brentford Barge and 137 more.
All 606 spots with history, BrrScore and alerts, free in the app.