- Temperature
- Feels like
- Rain
- Wind
- Sea water
- Waves
- Updated
Sea water: 16.2°C, cooling slightly to around 15°C over the coming days
Waves: 1.5m
At 16.2 °C the water in Esposende is cold. Without a wetsuit, a swim stays short.
Sunrise: 07:44 · Sunset: 18:57 · Day length: 11h 13m
| Day | Sea water | Waves |
|---|---|---|
| Monday 12/10 | 16.2 °C | 1.5 m |
| Tuesday 13/10 | 16.1 °C | 1.4 m |
| Wednesday 14/10 | 16.3 °C | 1.5 m |
| Thursday 15/10 | 16.1 °C | 1.5 m |
| Friday 16/10 | 15.8 °C | 1.6 m |
| Saturday 17/10 | 15.5 °C | 1.5 m |
| Sunday 18/10 | 15.0 °C | 1.2 m |
| Month | Average water |
|---|---|
| January | 14.0 °C |
| February | 13.8 °C |
| March | 14.2 °C |
| April | 15.5 °C |
| May | 15.6 °C |
| June | 17.1 °C |
| July | 15.9 °C |
| August | 15.9 °C |
| September | 16.4 °C |
| October | 17.8 °C |
| November | 16.7 °C |
| December | 14.9 °C |
Monthly averages for 2022–2025.
This page shows the water temperature at Esposende today and over the next seven days, so you can pick the best beach day before you go.
Sea temperature moves much more slowly than air temperature. A hot afternoon does not warm the ocean, and a windy day can cool it fast. Checking the water itself is the only reliable way to know what to expect.
Esposende sits at the mouth of the Cávado inside the Litoral Norte Natural Park, with dunes on one side and the Ofir pine forest across the water. The coast runs north to south with nothing to break the wind, which is why it works so well for kitesurfing and why the water stays so cold. Upwelling keeps the sea around 15.5 °C in August, and the estuary channel is the only place that warms much beyond that.
The water is warmest in October, averaging 17.8 °C, and coldest in February at 13.8 °C. This is Portugal's coldest water: upwelling is at its most persistent here and holds the warming back even at the height of summer.
The ocean gains and loses heat far more slowly than land, so it runs months behind the seasons. On top of that, the summer northerly wind pushes surface water offshore and draws cold deep water up in its place, which is why a heatwave on land so often coincides with a colder sea.
Reliable wind makes this a kitesurfing base, and the same conditions suit windsurfing and sailing on the Cávado estuary. The natural park behind the dunes has boardwalks and cycle paths running north, and the Ofir pine forest sits across the water. The ocean is cold enough that most people in the water are wearing neoprene rather than swimming.