Sea temperature and swimming season in Belgium
When the sea is warm enough to swim in 3 coastal cities in Belgium.
| City | Warmest | Coldest | Swimming season |
|---|---|---|---|
| Ostend | 19.7°C Aug | 7.5°C Feb | Aug – Aug (1 months) |
| Knokke-Heist | 20.2°C Aug | 6.6°C Feb | Jul – Aug (2 months) |
| Oostduinkerke | 19.6°C Aug | 7.7°C Feb | Aug – Aug (1 months) |
Knowing the temperature is only half of it. What to wear, and why cold shock is the real risk →
Season uses 19°C. Why that number, and where the data comes from