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Aberystwyth harbour trap Surf Stats

All swells

(any wind direction)
Aberystwythharbourtrap.surf.statistics.januarySw.animatedSw.label.animated

Good Surf

(light / offshore wind)

The figure illustrates the range of swells directed at Aberystwyth harbour trap through an average January, based on 3364 NWW3 model predictions since 2007 (values every 3 hours). The wave model does not forecast wind or surf right at the shore so we have chosen the best grid node based on what we know about Aberystwyth harbour trap. In this particular case the best grid node is 29 km away (18 miles). The rose diagram illustrates the distribution of swell sizes and directions, while the graph at the bottom shows the same thing but lacks direction information. Five colours show increasing wave sizes. The smallest swells, less than 0.5m (1.5 feet), high are coloured blue. These happened 34% of the time. Green and yellow show increasing swell sizes and red illustrates the largest swells, greater than >3m (>10ft). In each graph, 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 longest spokes, was SW (which was the same as the most common wind direction). Because the wave model grid is offshore, sometimes a strong offshore wind blows largest waves away from Aberystwyth harbour trap and away from the coast. We combine these with the no surf category of the bar chart. To keep it simple we don't show these in the rose graph. Because wind determines whether or not waves are good for surfing at Aberystwyth harbour trap, you can view an alternative image that shows only the swells that were expected to coincide with glassy or offshore wind conditions. In a typical January, swells large enough to cause clean enough to surf waves at Aberystwyth harbour trap run for about 43% of the time.

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  • Aberystwythharbourtrap.surf.statistics.novemberSw.animated
  • Aberystwythharbourtrap.surf.statistics.decemberSw.animated

Also see Aberystwyth harbour trap wind stats

Compare Aberystwyth harbour trap with another surf break