| Broad Haven South | Pembrokeshire | Celtic Sea | 16.5°C(61.7°F) | July, August, September, October | Live SST → |
| Broad Sand Rocks | Northumberland | North Sea | 13.6°C(56.5°F) | June, July, August, September | Live SST → |
| Broad Sands | East Lothian | Inner Seas off the West Coast of Scotland | 13.5°C(56.3°F) | June, July, August, September | Live SST → |
| Broad Sands | Torbay | Celtic Sea | 16.6°C(61.9°F) | July, August, September, October | Live SST → |
| Broadsands | Devon | Celtic Sea | 16.8°C(62.2°F) | July, August, September, October | Live SST → |
| Bucks Mills Beach | Devon | Celtic Sea | 16.6°C(61.9°F) | July, August, September, October | Live SST → |
| Burleigh Sands | Perthshire and Kinross | Inner Seas off the West Coast of Scotland | 13.5°C(56.3°F) | June, July, August, September | Live SST → |
| Calot Shad Sand | Northumberland | North Sea | 13.4°C(56.1°F) | July, August, September, October | Live SST → |
| Camas Cùil an t-Saimh | United Kingdom | Inner Seas off the West Coast of Scotland | 14.1°C(57.4°F) | July, August, September, October | Live SST → |
| Camber Sands | East Sussex | Irish Sea | 17.4°C(63.3°F) | July, August, September, October | Live SST → |
| Camp Bay | United Kingdom | Alboran Sea | 20.8°C(69.4°F) | July, August, September, October | Live SST → |
| Camusdarach Beach | Highland | Sea of the Hebrides | 13.9°C(57°F) | July, August, September, October | Live SST → |
| Carbis Bay Beach | Cornwall | Celtic Sea | 15.8°C(60.4°F) | July, August, September, October | Live SST → |
| Carne and Pendower Beach | Cornwall | Celtic Sea | 16.1°C(61°F) | July, August, September, October | Live SST → |
| Castle Cove | Dorset | Celtic Sea | 17.2°C(63°F) | July, August, September, October | Live SST → |
| Castle Haven Bay | Dumfries and Galloway | Irish Sea | 15.6°C(60.1°F) | July, August, September, October | Live SST → |
| Castle Sands | Fife | Sea of the Hebrides | 13.4°C(56.1°F) | July, August, September, October | Live SST → |
| Castlerock Beach | Coleraine | Inner Seas off the West Coast of Scotland | 14.4°C(57.9°F) | July, August, September, October | Live SST → |
| Caswell Bay Beach | Swansea | Irish Sea | 16.8°C(62.2°F) | July, August, September, October | Live SST → |
| Cattersty Sands | Redcar and Cleveland | North Sea | 13.9°C(57°F) | June, July, August, September | Live SST → |
| Cayton Sands | North Yorkshire | North Sea | 14°C(57.2°F) | July, August, September, October | Live SST → |
| Cefn Sidan | Carmarthenshire | Irish Sea | 16.8°C(62.2°F) | July, August, September, October | Live SST → |
| Challaborough Beach | Devon | Celtic Sea | 16.1°C(61°F) | July, August, September, October | Live SST → |
| Chapel Porth Beach | Cornwall | Celtic Sea | 15.9°C(60.6°F) | July, August, September, October | Live SST → |
| Chesil Beach | Dorset | Celtic Sea | 17.1°C(62.8°F) | July, August, September, October | Live SST → |
| Childspit Beach | Devon | Celtic Sea | 16.6°C(61.9°F) | July, August, September, October | Live SST → |
| Church Cliff Beach | Devon | Celtic Sea | 17°C(62.6°F) | July, August, September, October | Live SST → |
| Churston Cove | Torbay | Celtic Sea | 16.6°C(61.9°F) | July, August, September, October | Live SST → |
| Cilborth Beach | Ceredigion | Irish Sea | 16.1°C(61°F) | July, August, September, October | Live SST → |
| Clarach Beach | Ceredigion | Irish Sea | 16.6°C(61.9°F) | June, July, August, September | Live SST → |
| Coldingham Sands | Scottish Borders | North Sea | 13.4°C(56.1°F) | July, August, September, October | Live SST → |
| Colona Beach | Cornwall | Celtic Sea | 15.9°C(60.6°F) | July, August, September, October | Live SST → |
| Combesgate Beach | Devon | Celtic Sea | 16.8°C(62.2°F) | July, August, September, October | Live SST → |
| Compass Cove | Devon | Celtic Sea | 16.6°C(61.9°F) | July, August, September, October | Live SST → |
| Compton Beach | Isle of Wight | Irish Sea | 17.6°C(63.7°F) | July, August, September, October | Live SST → |
| Coney Beach | Bridgend | Irish Sea | 17.2°C(63°F) | July, August, September, October | Live SST → |
| Constantine Bay | Cornwall | Celtic Sea | 16.1°C(61°F) | July, August, September, October | Live SST → |
| Conwy Sands | Conwy | Irish Sea | 15.8°C(60.4°F) | July, August, September, October | Live SST → |
| Cook's Porth | United Kingdom | Celtic Sea | 16.2°C(61.2°F) | June, July, August, September | Live SST → |
| Coral Beach | Highland | Sea of the Hebrides | 13.3°C(55.9°F) | July, August, September, October | Live SST → |
| Corbyn Beach | Torbay | Celtic Sea | 16.6°C(61.9°F) | July, August, September, October | Live SST → |
| Corran Rà | Eilean Siar | Sea of the Hebrides | 13.5°C(56.3°F) | July, August, September, October | Live SST → |
| Coryton's Cove Beach | Devon | Celtic Sea | 16.8°C(62.2°F) | July, August, September, October | Live SST → |
| Cove Vean | United Kingdom | Celtic Sea | 16.2°C(61.2°F) | June, July, August, September | Live SST → |
| Crantock Beach | Cornwall | Celtic Sea | 15.9°C(60.6°F) | July, August, September, October | Live SST → |
| Crosby Beach | Sefton | Irish Sea | 16.1°C(61°F) | June, July, August, September | Live SST → |
| Culbin Sands | Moray | Sea of the Hebrides | 13.6°C(56.5°F) | June, July, August, September | Live SST → |
| Cullykhan Shore | Aberdeenshire | Sea of the Hebrides | 13.1°C(55.6°F) | July, August, September, October | Live SST → |
| Cwmtydu Beach | Ceredigion | Irish Sea | 16.1°C(61°F) | July, August, September, October | Live SST → |
| Daymer Bay | Cornwall | Celtic Sea | 16.3°C(61.3°F) | July, August, September, October | Live SST → |