| Plage de Saint-Colomban | Morbihan | Cantabrian Sea | 17.4°C(63.3°F) | June, July, August, September | Live SST → |
| Plage de Saint-Énogat | Côtes-d'Armor | Celtic Sea | 17.9°C(64.2°F) | July, August, September, October | Live SST → |
| Plage de Saint-Estève | Bouches-du-Rhône | Ligurian Sea | 21.4°C(70.5°F) | June, July, August, September | Live SST → |
| Plage de Saint-Goustan | Loire-Atlantique | Cantabrian Sea | 17.4°C(63.3°F) | June, July, August, September | Live SST → |
| Plage de Saint-Marc | Loire-Atlantique | Cantabrian Sea | 17.6°C(63.7°F) | June, July, August, September | Live SST → |
| Plage de Saint-Pierre | La Réunion | Coastal Waters | 23.6°C(74.5°F) | January, February, March, April, May, June, July, October, November, December | Live SST → |
| Plage de Saint-Sordelin | Charente-Maritime | Cantabrian Sea | 19.5°C(67.1°F) | June, July, August, September | Live SST → |
| Plage de Sainte-Anne-du-Portzic | Finistère | Celtic Sea | 15.3°C(59.5°F) | July, August, September, October | Live SST → |
| Plage de Sainte-Barbe | Morbihan | Cantabrian Sea | 17.4°C(63.3°F) | June, July, August, September | Live SST → |
| Plage de Sainte-Croix | Bouches-du-Rhône | Ligurian Sea | 21.2°C(70.2°F) | June, July, August, September | Live SST → |
| Plage de Sainte-Évette | Finistère | Celtic Sea | 15.8°C(60.4°F) | July, August, September, October | Live SST → |
| Plage de Sainte-Marguerite | Loire-Atlantique | Cantabrian Sea | 17.6°C(63.7°F) | June, July, August, September | Live SST → |
| Plage de Salée-Bananier | Guadeloupe | Caribbean Sea | 29.3°C(84.7°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Plage de San Giuseppe | Corse-du-Sud | Ligurian Sea | 23.6°C(74.5°F) | July, August, September | Live SST → |
| Plage de Santa Giulia | Corse-du-Sud | Ligurian Sea | 23.7°C(74.7°F) | June, July, August, September | Live SST → |
| Plage de Sizun | Finistère | Celtic Sea | 15°C(59°F) | July, August, September, October | Live SST → |
| Plage de Socoa | Pyrénées-Atlantiques | Cantabrian Sea | 21.3°C(70.3°F) | June, July, August, September | Live SST → |
| Plage de Solidor | Côtes-d'Armor | Celtic Sea | 17.9°C(64.2°F) | July, August, September, October | Live SST → |
| Plage de Sorlock | Loire-Atlantique | Cantabrian Sea | 17.4°C(63.3°F) | June, July, August, September | Live SST → |
| Plage de Soulou / M'Tsanga Soulou | Mayotte | Coastal Waters | 26.2°C(79.2°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Plage de Soustons | Landes | Cantabrian Sea | 20.9°C(69.6°F) | June, July, August, September | Live SST → |
| Plage de Stagnone | Corse-du-Sud | Ligurian Sea | 23.6°C(74.5°F) | July, August, September | Live SST → |
| Plage de Ster-Greich | Finistère | Celtic Sea | 17.2°C(63°F) | June, July, August, September | Live SST → |
| Plage de Stêr-Vraz | Morbihan | Cantabrian Sea | 17.7°C(63.9°F) | June, July, August, September | Live SST → |
| Plage de Suscinio | Morbihan | Cantabrian Sea | 17.4°C(63.3°F) | June, July, August, September | Live SST → |
| Plage de Suzette | Gironde | Cantabrian Sea | 20.6°C(69.1°F) | June, July, August, September | Live SST → |
| Plage de Sylvabelle | Var | Ligurian Sea | 22.7°C(72.9°F) | July, August, September | Live SST → |
| Plage de Tallone | Haute-Corse | Ligurian Sea | 24°C(75.2°F) | July, August, September | Live SST → |
| Plage de Tallone | Haute-Corse | Ligurian Sea | 24°C(75.2°F) | July, August, September | Live SST → |
| Plage de Tamaricciu | Corse-du-Sud | Ligurian Sea | 23.7°C(74.7°F) | June, July, August, September | Live SST → |
| Plage de Tenutella | Corse-du-Sud | Ligurian Sea | 23.5°C(74.3°F) | July, August, September | Live SST → |
| Plage de Toiny | France | Caribbean Sea | 29°C(84.2°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Plage de Trémazan | Finistère | Celtic Sea | 14.9°C(58.8°F) | July, August, September, October | Live SST → |
| Plage de Trenez | Finistère | Celtic Sea | 17.2°C(63°F) | June, July, August, September | Live SST → |
| Plage de Trestraou | Côtes-d'Armor | Celtic Sea | 17.2°C(63°F) | July, August, September, October | Live SST → |
| Plage de Trestrignel | Côtes-d'Armor | Celtic Sea | 17.2°C(63°F) | July, August, September, October | Live SST → |
| Plage de Trévani | Mayotte | Coastal Waters | 26.2°C(79.2°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Plage de Trousse Chemise | Charente-Maritime | Cantabrian Sea | 18.8°C(65.8°F) | June, July, August, September | Live SST → |
| Plage de Trouville | Calvados | Celtic Sea | 18.3°C(64.9°F) | July, August, September, October | Live SST → |
| plage de Ty Hoche | Morbihan | Cantabrian Sea | 17.4°C(63.3°F) | June, July, August, September | Live SST → |
| Plage de Ty-Bihan | Morbihan | Cantabrian Sea | 17.4°C(63.3°F) | June, July, August, September | Live SST → |
| Plage de Vert bois | Charente-Maritime | Cantabrian Sea | 19.2°C(66.6°F) | June, July, August, September | Live SST → |
| Plage de Vignale | Haute-Corse | Ligurian Sea | 23.7°C(74.7°F) | June, July, August, September | Live SST → |
| Plage des Abatilles | Gironde | Cantabrian Sea | 20.6°C(69.1°F) | June, July, August, September | Live SST → |
| Plage des Amandiers | Guadeloupe | Caribbean Sea | 29.2°C(84.6°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Plage des Amourettes | Vendée | Cantabrian Sea | 18.6°C(65.5°F) | June, July, August, September | Live SST → |
| Plage des Amoureux | Morbihan | Cantabrian Sea | 17.4°C(63.3°F) | June, July, August, September | Live SST → |
| Plage des Arènes | Bouches-du-Rhône | Ligurian Sea | 20.6°C(69.1°F) | June, July, August, September | Live SST → |
| Plage des Ayguades - Poste de secours n°5 | Aude | Balearic Sea | 20.6°C(69.1°F) | June, July, August, September | Live SST → |
| Plage des Barges | Morbihan | Cantabrian Sea | 17.4°C(63.3°F) | June, July, August, September | Live SST → |