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Caerfai Bay ratings
Quality on a good day: 1.0
Consistency of Surf: 2.0
Difficulty Level: 1.0
Crowds: 5.0

Overall: 2.8

See all 18 ratings

Based on 1 vote. Vote


Surf Report Feed

Caerfai Bay Surf Stats

All swells

(any wind direction)
Caerfai bay.surf.statistics.aprilWsw.animatedWsw.label.animated

Good Surf

(light / offshore wind)

The graph illustrates the variation of swells directed at Caerfai Bay through a typical April, based on 3360 NWW3 model predictions since 2007 (values every 3 hours). The wave model does not forecast surf and wind right at the coast so we have chosen the best grid node based on what we know about Caerfai Bay, and at Caerfai Bay the best grid node is 22 km away (14 miles). The rose diagram shows the distribution of swell directions and swell sizes, while the graph at the bottom shows the same thing but without direction information. Five colours illustrate increasing wave sizes. Blue shows the smallest swells, less that 0.5m (1.5 feet) high. These were forecast 38% of the time. Green and yellow represent increasing swell sizes and largest swells greater than >3m (>10ft) are shown in red. In each graph, the area of any colour is proportional to how often that size swell occurs. The diagram indicates that the dominant swell direction, shown by the largest spokes, was WSW, whereas the the most common wind blows from the W. Because the wave model grid is offshore, sometimes a strong offshore wind blows largest waves away from Caerfai Bay and away from the coast. We group these with the no surf category of the bar chart. To simplify things we don't show these in the rose diagram. Because wind determines whether or not waves are good for surfing at Caerfai Bay, you can load a different image that shows only the swells that were forecast to coincide with glassy or offshore wind conditions. Over an average April, swells large enough to cause clean enough to surf waves at Caerfai Bay run for about 24% of the time.

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  • Caerfai bay.surf.statistics.marchWsw.animated
  • Caerfai bay.surf.statistics.aprilWsw.animated
  • Caerfai bay.surf.statistics.mayWsw.animated
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  • Caerfai bay.surf.statistics.novemberWsw.animated
  • Caerfai bay.surf.statistics.decemberWsw.animated

Also see Caerfai Bay wind stats

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