uk es it fr pt nl
Aberffraw ratings
Consistency of Surf: 3.0
Difficulty Level: 1.0
Crowds: 4.0

Overall: 2.8

See all 18 ratings

Based on 1 vote. Vote


Surf Report Feed

Aberffraw Swell Statistics, September: Surf with Light or Offshore Winds

The rose diagram shows only the swells directed at Aberffraw that coincided with light winds or offshore conditions through a typical September. It is based on 2398 predictions, one every 3 hours. The direction of the spokes show where quality surf generating swell comes from. Five colours show increasing wave sizes. The smallest swells, less than 0.5m (1.5 feet), high are coloured blue. Green and yellow illustrate increasing swell sizes and red illustrates highest swells greater than >3m (>10ft). In either graph, the area of any colour is proportional to how frequently that size swell occurs.

The diagram suggests that the dominant swell direction, shown by the longest 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 2% of the time, equivalent to 1 days. Open sea swells exceeding >3m (>10ft) are unlikely to happen in a normal September. Taking into account the proportion of these swells that coincided with predicted offshore winds, and given the fact that Aberffraw is exposed to open water swells, we think that that clean surf can be found at Aberffraw about 2% of the time and that surf is spoilt by onshore wind 36% of the time. This is means that we expect 11 days with waves in a typical September, of which 1 days should be surfable.

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.