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Aberaeron Surf Stats

All swells

(any wind direction)
Aberaeron.surf.statistics.decemberSw.animatedSw.label.animated

Good Surf

(light / offshore wind)

This picture describes the variation of swells directed at Aberaeron through a typical December, based on 3448 NWW3 model predictions since 2006 (values every 3 hours). The wave model does not forecast wind and surf right at the shore so we have chosen the best grid node based on what we know about Aberaeron. In the case of Aberaeron, the best grid node is 32 km away (20 miles). The rose diagram describes the distribution of swell directions and swell sizes, while the graph at the bottom shows the same thing without direction information. Five colours represent increasing wave sizes. Very small swells of less than 0.5m (1.5 feet) high are shown in blue. These were forecast only 29% of the time. Green and yellow represent increasing swell sizes and highest swells greater than >3m (>10ft) are shown in red. In both graphs, the area of any colour is proportional to how frequently that size swell happens. The diagram suggests that the most common swell direction, shown by the largest spokes, was SW (which was the same as the dominant wind direction). Because the wave model grid is offshore, sometimes a strong offshore wind blows largest waves away from Aberaeron and away from the coast. We group these with the no surf category of the bar chart. To keep it simple we don't show these in the rose plot. Because wind determines whether or not waves are good for surfing at Aberaeron, you can load a different image that shows only the swells that were predicted to coincide with glassy or offshore wind conditions. Over an average December, swells large enough to cause clean enough to surf waves at Aberaeron run for about 48% of the time.

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  • Aberaeron.surf.statistics.octoberSw.animated
  • Aberaeron.surf.statistics.novemberSw.animated
  • Aberaeron.surf.statistics.decemberSw.animated

Also see Aberaeron wind stats

Compare Aberaeron with another surf break