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Aberffraw Notations
Consistance des Vagues: 3.0
Niveau de Difficulté: 1.0
Foule a l'Eau: 4.0

Général: 2.8

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Surf Report Feed

Statistiques de Houle pour Aberffraw, Été: Vagues avec Vents Légers ou Favorables.

This image shows only the swells directed at Aberffraw that coincided with light winds or offshore conditions through a typical northern hemisphere summer. It is based on 7264 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 shows highest swells greater than >3m (>10ft). In each graph, the area of any colour is proportional to how commonly that size swell was forecast.

The diagram implies that the prevailing swell direction, shown by the largest spokes, was SW, whereas the the dominant wind blows from the WSW. 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 3% of the time, equivalent to 3 days. Open sea swells exceeding >3m (>10ft) are unlikely to occur in a normal northern hemisphere summer. Taking into account the fraction of these swells that coincided with expected offshore winds, and given the fact that Aberffraw is exposed to open water swells, we calculate that clean surf can be found at Aberffraw about 3% of the time and that surf is blown out by onshore wind 37% of the time. This is means that we expect 36 days with waves in a typical northern hemisphere summer, of which 3 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.