Tuesday 30 May 2023
| River | Location | Water temperatures [°C] |
|---|---|---|
| Duna | Rajka | 16 |
| Esztergom | 17 | |
| Budapest | 19 | |
| Dunaújváros | 18 | |
| Baja | 18 | |
| Mohács | 19 | |
| Komárom | 19 | |
| Tisza | Tiszabecs | 18 |
| Tokaj | 22 | |
| Szolnok | 20 | |
| Szeged | 20 | |
| Rába | Körmend | 18 |
| Dráva | Barcs | 17 |
| Mura | Letenye | 15 |
| Lake | Location | Water temperatures [°C] |
|---|---|---|
| Balaton | Siófok | 20 |
| Balatonakali | - | |
| Tihanyrév | - | |
| Velencei-tó | Agárd | 23 |
| Fertő-tó | Fertőrákos | 19 |
| Tisza-tó | Tiszafüred | 20 |
| Sea | Location | Water temperatures [°C] |
|---|---|---|
| Balti-tenger | Gdansk-Sopot | 13 |
| Rügen | 13 | |
| Adriai-tenger | Pescara | 19 |
| Bari | 19 | |
| Velence | 19 | |
| Portorozs | 19 | |
| Pula | 18 | |
| Split | 19 | |
| Dubrovnik | 20 | |
| Ulcinj | 20 | |
| Durres | 20 | |
| Földközi-tenger | Malaga | 20 |
| Valencia | 21 | |
| Barcelona | 19 | |
| Nizza | 20 | |
| Nápoly | 21 | |
| Palermo | 20 | |
| Livorno | 21 | |
| Korfu | 20 | |
| Athén | 20 | |
| Iraklion | 20 | |
| Thesszaloniki | 20 | |
| Antalya | 22 | |
| Larnaca | 21 | |
| Haifa | 22 | |
| Alexandria | 21 | |
| Tunisz | 20 | |
| Algír | 20 | |
| Fekete-tenger | Konstanca | 19 |
| Burgas | 18 | |
| Jalta | 17 | |
| Szocsi | 17 | |
| Vörös-tenger | Akaba | 24 |
| Sharm el-Sheikh | 25 | |
| Hurghada | 25 |
| Ocean | Location | Water temperatures [°C] |
|---|---|---|
| Atlanti-óceán | Brest | 14 |
| La Rochelle | 18 | |
| Biarritz | 19 | |
| Santander | 17 | |
| Porto | 16 | |
| Lisszabon | 17 | |
| Faro | 18 | |
| Gibraltár | 19 |