17.5°
Celsius
✅
Safe to swim
Sanitary rating: suitable. Test: July 6, 2026, next: July 9, 2026.
Sanitary rating: history
| Test date | Rating | E. coli | Enterococci |
|---|---|---|---|
| July 6, 2026 | Przydatna do kąpieli | 28 | 1 |
| June 23, 2026 | Przydatna do kąpieli | 15 | 6 |
| Aug. 21, 2025 | Przydatna do kąpieli | 49 | 4 |
| July 30, 2025 | Przydatna do kąpieli | 38 | 40 |
| July 17, 2025 | Przydatna do kąpieli | 66 | 60 |
| July 7, 2025 | Przydatna do kąpieli | 18 | 7 |
| June 26, 2025 | Przydatna do kąpieli | 127 | 1 |
| Aug. 20, 2024 | Przydatna do kąpieli | 15 | 15 |
Multi-year classification
| Year | Classification |
|---|---|
| 2025 | Dobra |
| 2024 | Dostateczna |
| 2023 | Dostateczna |
| 2022 | Dobra |
| 2021 | Dobra |
| 2020 | Dobra |
| 2019 | Dobra |
| 2018 | Dostateczna |
Bathing season: June 27, 2026 - Aug. 30, 2026
On the beach
🏊 Lifeguard 🚻 Toilets 🗑️ BinsFrequently asked questions
Is it safe to swim in Mielno 216?
Safe to swim. Sanitary rating: suitable.
What is the water temperature in Mielno 216?
17.5°C (pomiar 07.07.2026).
Is there algae in Mielno 216?
No algae bloom reported. Check the status regularly in season.
Average sea temperature by month
| Month | Average water temperature |
|---|---|
| January | 2.3°C |
| February | 1.7°C |
| March | 3.7°C |
| April | 7.2°C |
| May | 11.6°C |
| June | 16.9°C |
| July | 19.9°C |
| August | 20.3°C |
| September | 18.8°C |
| October | 13.5°C |
| November | 8.6°C |
| December | 4.6°C |
Multi-year averages from recent seasons - a rough guide to when the water is warmest.
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