Check the date of the last test. Test: Aug. 21, 2026, next: -.
Sanitary rating: history
| Test date | Rating | E. coli | Enterococci |
|---|---|---|---|
| Aug. 21, 2026 | Suitable for swimming | 100 | - |
| July 31, 2026 | Suitable for swimming | 94 | 76 |
| July 14, 2026 | Suitable for swimming | 11 | 7 |
| June 23, 2026 | Suitable for swimming | 15 | - |
| Aug. 21, 2025 | Suitable for swimming | 1 | 1 |
| July 30, 2025 | Suitable for swimming | 12 | 8 |
| July 17, 2025 | Suitable for swimming | 18 | 3 |
| June 26, 2025 | Suitable for swimming | 15 | 1 |
Multi-year classification
| Year | Classification |
|---|---|
| 2025 | Excellent |
| 2024 | Excellent |
| 2023 | Excellent |
| 2022 | Excellent |
| 2021 | Excellent |
| 2020 | Excellent |
| 2019 | Excellent |
| 2018 | Excellent |
Bathing season: June 27, 2026 - Aug. 30, 2026
On the beach
🏊 Lifeguard 🚻 Toilets 🗑️ Bins- Bathing season
- June 27, 2026 - Aug. 30, 2026
- Opening hours
- 9:30 - 17:30
- Shoreline length
- 90 m
- Operator
- Mieleński Ośrodek Sportu i Rekreacji Mielno ul. Słoneczna 9, 76-032 Mielno [email protected] 94 318 97 20
The bathing area is located in the coastal waters of the Baltic Sea within a single body of surface water: the Polish coastal waters of the Bornholm Basin. Following the 2025 summer season, the water was assessed as suitable for swimming. The four-year water quality assessment for the bathing area covering the years 2022–2025 was rated as excellent. Download the bathing area water profile
Frequently asked questions
Is it safe to swim in Mielenko 215?
No current rating. Check the date of the last test.
What is the water temperature in Mielenko 215?
17.1°C (measured 04.09.2026).
Is there algae in Mielenko 215?
No algae bloom reported. Check the status regularly in season.
Average sea temperature by month
| Month | Average water temperature |
|---|---|
| January | 2.6°C |
| February | 1.9°C |
| March | 3.6°C |
| April | 6.7°C |
| May | 10.7°C |
| June | 16.4°C |
| July | 19.5°C |
| August | 20.1°C |
| September | 18.2°C |
| October | 13.8°C |
| November | 8.8°C |
| December | 5.1°C |
Multi-year averages from recent seasons - a rough guide to when the water is warmest.
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