Kärdla Beach — bathing-water quality and weather
Bathing-water quality
Latest EU monitoring assessment: Good (2022)
10-year quality trend (2012–2022):
Data: EEA Bathing Water Quality (CC-BY 4.0) · Health Board bathing-water monitoring · EEA: EE00401005KARDLA
5-day forecast
Hourly forecast
Latest measurements (2025 season)
Latest test: 2025-08-14
E. coli: <10 CFU/100 ml
Enterococci: <10 CFU/100 ml
Assessment: Vastab normile
4 measurements this season — see all
| Date | E. coli | Enterococci | Assessment: |
|---|---|---|---|
| 2025-08-14 | <10 | <10 | Vastab normile |
| 2025-07-10 | <30 | <10 | Vastab normile |
| 2025-06-19 | <30 | <10 | Vastab normile |
| 2025-05-22 | <10 | <10 | Vastab normile |
Beach
Kärdla is a beach on the Baltic Sea coastal strip on Hiiumaa. It is practically within the town of Kärdla. In all 11 monitoring years, water quality has been at least good. The nearest weather station is Kõrgessaare, 16.2 km away. The Health Board carries out bathing-water monitoring every summer in accordance with the requirements of the EU Directive.
- Coordinates: 59,0081° N, 22,7467° E
- County: Hiiu County
- Bathing-site type: coastal water
Local climate
| Month | Avg °C | Avg high °C | Avg low °C | Precip mm |
|---|---|---|---|---|
| Jan | -1.2 | 0.3 | -2.8 | 44.2 |
| Feb | -2.2 | -0.6 | -3.9 | 40.5 |
| Mar | -0.0 | 1.9 | -2.0 | 31.1 |
| Apr | 4.4 | 6.9 | 1.9 | 33.6 |
| May | 9.4 | 12.1 | 6.6 | 36.0 |
| Jun | 14.5 | 16.9 | 11.7 | 52.6 |
| Jul | 17.9 | 20.1 | 15.5 | 59.7 |
| Aug | 17.6 | 19.7 | 15.5 | 64.7 |
| Sep | 13.6 | 15.4 | 11.8 | 50.6 |
| Oct | 8.4 | 9.9 | 6.9 | 57.1 |
| Nov | 4.1 | 5.4 | 2.8 | 54.6 |
| Dec | 0.8 | 2.1 | -0.6 | 46.7 |
Frequently asked questions
What is the bathing-water quality?
The latest Health Board bathing-water measurement (2025-08-14): E. coli <10 CFU/100 ml, enterococci <10 CFU/100 ml. EU Bathing Water Directive long-term classification: good.
When is the best time to swim?
The swimming season usually lasts from early June to late August. The warmest month, July, averages 17.9°C, and the water is warmest in the second half of July.
How warm is the water in summer?
Coastal water usually warms to 18–22 °C in midsummer, and more in shallow shoreline water. You can see the current water temperature on puhub's water layer.
Is Kärdla Beach a safe place to swim?
Kärdla Beach is an official, EEA-registered bathing beach whose water is monitored by the Health Board. There may not be a permanent lifeguard, so swim in the marked area and watch the weather.