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Barra do Douro Voti
Qualità su una buona giornata: 3.0
Coerenza del surf: 3.0
Livello di difficoltà: 3.0
Folle: 3.0

Overall: 3.2

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Surf Report Feed

Barra do Douro Swell Statistics, All Year: Surf with Light or Offshore Winds

The rose diagram shows only the swells directed at Barra do Douro that coincided with light winds or offshore conditions through a typical year. It is based on 34628 predictions, one every 3 hours. The direction of the spokes show where quality surf generating swell comes from. Five colours represent increasing wave sizes. Very small swells of less than 0.5m (1.5 feet) high are shown in blue. Green and yellow represent increasing swell sizes and red illustrates largest swells greater than >3m (>10ft). In each graph, the area of any colour is proportional to how commonly that size swell occurs.

The diagram implies that the most common swell direction, shown by the biggest spokes, was WNW, whereas the the most common wind blows from the NNW. The chart at the bottom shows the same thing but without direction information. For example, swells larger than 1.5 feet (0.5m) coincided with good wind conditions 28% of the time, equivalent to 102 days. Expect open water swells to exceed >3m (>10ft) 0.9% of the time (3 days). Taking into account the ratio of these swells that coincided with predicted offshore winds, and given the fact that Barra do Douro is exposed to open water swells, we calculate that clean surf can be found at Barra do Douro about 28% of the time and that surf is spoilt by onshore wind 68% of the time. This is means that we expect 350 days with waves in a typical year, of which 102 days should be clean enough to surf.

IMPORTANT: Beta version feature! Swell heights are open water values from NWW3. There is no attempt to model near-shore effects. Coastal wave heights will generally be less, especially if the break does not have unobstructed exposure to the open ocean.