The Poland resorts with the warmest sea water temperature in April are Miedzyzdroje, Krynica Morska and Vladyslawowo.
Below you can see a list of all popular Poland resorts and information about sea water temperature in April for the last two years.
| Resort Name | April 2026 | April 2025 | April 2024 |
|---|---|---|---|
| Miedzyzdroje | 44.5°F | 48.8°F | 47.2°F |
| Krynica Morska | 41.7°F | 44.5°F | 44.2°F |
| Vladyslawowo | 41.4°F | 42.7°F | 41.8°F |
| Ustka | 41.1°F | 43.4°F | 42.7°F |
| Leba | 40.6°F | 43.1°F | 41.7°F |
| Gdynia | 40.1°F | 43.6°F | 42.2°F |
| Szczecin | 39.5°F | 52.8°F | 50.4°F |
| Sopot | 39.5°F | 44.0°F | 42.1°F |
| Gdansk | 38.6°F | 44.1°F | 41.8°F |
| Wisla | 30.0°F | 30.0°F | 30.0°F |
Please see following sea water temperature averages charts for the warmest Poland resorts in April.
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.
Sea Water
Temperature
Temperature
| Miedzyzdroje |
Sea Water
Temperature
Temperature
| Krynica Morska |
Sea Water
Temperature
Temperature
| Vladyslawowo |
Poland Resorts:
NAME
F°
| Gdansk |  |
+58 |
| Gdynia |  |
+56 |
| Krakow | |
+54 |
| Krynica Morska | |
+58 |
| Leba | |
+56 |
| Miedzyzdroje | |
+58 |
| Poznan |  |
+62 |
| Sopot | |
+56 |
| Szczecin | |
+66 |
| Ustka | |
+56 |
| Vladyslawowo | |
+58 |
| Warsaw | |
+60 |
| Wisla | |
+46 |
| Wroclaw | |
+56 |
| Zakopane | |
+40 |
