The Croatia resorts with the warmest sea water temperature at this moment are Umag, Novigrad and Porec.
Below you can see a list of all popular Croatia resorts and information about current sea water temperature and averages for current and next months.
| Resort Name | Current Sea Water Temperature |
August 2025 | September 2025 |
|---|---|---|---|
| Umag | 86.6°F | 80.8°F | 78.6°F |
| Novigrad | 86.6°F | 81.1°F | 78.6°F |
| Porec | 86.2°F | 81.3°F | 78.7°F |
| Vrsar | 85.4°F | 81.1°F | 78.6°F |
| Pula | 85.0°F | 80.0°F | 78.4°F |
| Novalja | 85.0°F | 77.3°F | 76.5°F |
| Rovinj | 85.0°F | 81.2°F | 78.8°F |
| Istria | 84.6°F | 79.4°F | 77.6°F |
| Rab | 84.6°F | 76.7°F | 75.7°F |
| Komiza | 84.0°F | 79.8°F | 78.6°F |
| Tucepi | 83.8°F | 79.4°F | 77.4°F |
| Makarska | 83.8°F | 79.4°F | 77.4°F |
| Brela | 83.6°F | 78.6°F | 76.8°F |
| Baska Voda | 83.6°F | 78.6°F | 76.8°F |
| Cres | 83.6°F | 76.7°F | 75.9°F |
| Medulin | 83.4°F | 78.2°F | 77.4°F |
| Kraljevica | 83.2°F | 76.6°F | 74.2°F |
| Molat | 83.0°F | 77.9°F | 77.8°F |
| Crikvenica | 83.0°F | 77.1°F | 73.7°F |
| Mali Losinj | 83.0°F | 78.6°F | 77.5°F |
| Sibenik | 82.8°F | 77.6°F | 76.4°F |
| Dugi Otok | 82.8°F | 79.3°F | 78.3°F |
| Krk | 82.8°F | 76.1°F | 75.3°F |
| Supetar | 82.8°F | 78.2°F | 77.1°F |
| Dubrovnik | 82.6°F | 79.4°F | 79.6°F |
| Lastovo | 82.6°F | 79.5°F | 79.8°F |
| Korcula | 82.6°F | 78.6°F | 78.8°F |
| Hvar | 82.6°F | 79.1°F | 78.4°F |
| Skradin | 82.6°F | 77.5°F | 76.5°F |
| Rijeka | 82.6°F | 76.3°F | 74.8°F |
| Labin | 82.6°F | 77.0°F | 75.9°F |
| Lovran | 82.4°F | 76.6°F | 75.2°F |
| Rabac | 82.4°F | 76.9°F | 75.7°F |
| Solin | 82.4°F | 78.5°F | 77.2°F |
| Mlini | 82.2°F | 80.1°F | 80.0°F |
| Plat | 82.2°F | 80.1°F | 80.0°F |
| Trogir | 82.2°F | 79.0°F | 77.3°F |
| Cavtat | 82.2°F | 80.1°F | 80.0°F |
| Split | 82.2°F | 78.8°F | 77.3°F |
| Opatija | 82.2°F | 76.4°F | 74.9°F |
| Brac | 82.2°F | 77.8°F | 76.6°F |
| Pag | 82.0°F | 76.3°F | 76.2°F |
| Omis | 82.0°F | 77.9°F | 76.8°F |
| Klek | 82.0°F | 79.3°F | 77.1°F |
| Stari Grad | 81.8°F | 79.0°F | 78.3°F |
| Zadar | 81.8°F | 77.9°F | 76.6°F |
| Vodice | 81.0°F | 76.7°F | 76.5°F |
| Biograd na Moru | 80.8°F | 76.7°F | 76.2°F |
Please see following sea water temperature averages charts for the warmest Croatia resorts for more details.
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
