Wednesday 31 December 2025
| River | Location | Water temperatures [°C] |
|---|---|---|
| Duna | Rajka | 3 |
| Esztergom | 3 | |
| Budapest | 2 | |
| Dunaújváros | 2 | |
| Baja | 3 | |
| Mohács | 4 | |
| Komárom | 9 | |
| Tisza | Tiszabecs | 1 |
| Tokaj | 4 | |
| Szolnok | 4 | |
| Szeged | 3 | |
| Rába | Körmend | 1 |
| Dráva | Barcs | 3 |
| Mura | Letenye | 1 |
| Lake | Location | Water temperatures [°C] |
|---|---|---|
| Balaton | Siófok | - |
| Balatonakali | - | |
| Tihanyrév | 5 | |
| Velencei-tó | Agárd | 0 |
| Fertő-tó | Fertőrákos | 0 |
| Tisza-tó | Tiszafüred | 3 |
| Sea | Location | Water temperatures [°C] |
|---|---|---|
| Balti-tenger | Gdansk-Sopot | 5 |
| Rügen | 6 | |
| Adriai-tenger | Pescara | 15 |
| Bari | 15 | |
| Velence | 12 | |
| Portorozs | 13 | |
| Pula | 14 | |
| Split | 16 | |
| Dubrovnik | 17 | |
| Ulcinj | 16 | |
| Durres | 17 | |
| Földközi-tenger | Malaga | 16 |
| Valencia | 16 | |
| Barcelona | 15 | |
| Nizza | 16 | |
| Nápoly | 17 | |
| Palermo | 16 | |
| Livorno | 17 | |
| Korfu | 18 | |
| Athén | 17 | |
| Iraklion | 19 | |
| Thesszaloniki | 13 | |
| Antalya | 21 | |
| Larnaca | 21 | |
| Haifa | 21 | |
| Alexandria | 20 | |
| Tunisz | 15 | |
| Algír | 16 | |
| Fekete-tenger | Konstanca | 8 |
| Burgas | 12 | |
| Jalta | 11 | |
| Szocsi | 12 | |
| Vörös-tenger | Akaba | 22 |
| Sharm el-Sheikh | 24 | |
| Hurghada | 24 |
| Ocean | Location | Water temperatures [°C] |
|---|---|---|
| Atlanti-óceán | Brest | 12 |
| La Rochelle | 14 | |
| Biarritz | 14 | |
| Santander | 13 | |
| Porto | 14 | |
| Lisszabon | 15 | |
| Faro | 17 | |
| Gibraltár | 17 |