18.9°
Celsius
✅
Safe to swim
Sanitary rating: suitable. Test: Aug. 21, 2026, next: -.
Sanitary rating: history
| Test date | Rating | E. coli | Enterococci |
|---|---|---|---|
| Aug. 21, 2026 | Suitable for swimming | 11 | - |
| July 31, 2026 | Suitable for swimming | 6 | 3 |
| July 14, 2026 | Suitable for swimming | 29 | 12 |
| June 23, 2026 | Suitable for swimming | 45 | 20 |
| Aug. 21, 2025 | Suitable for swimming | 48 | 34 |
| July 30, 2025 | Suitable for swimming | 20 | 1 |
| July 17, 2025 | Suitable for swimming | 19 | 9 |
| June 26, 2025 | Suitable for swimming | 61 | 14 |
Multi-year classification
| Year | Classification |
|---|---|
| 2025 | Unclassified |
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
Frequently asked questions
Is it safe to swim in Mielno Morska?
Safe to swim. Sanitary rating: suitable.
What is the water temperature in Mielno Morska?
18.9°C (measured 21.08.2026).
Is there algae in Mielno Morska?
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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