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Trearddur Bay (Holy Island) Voti
Qualità su una buona giornata: 2.7
Coerenza del surf: 2.3
Livello di difficoltà: 2.3
Wind e kite surf: 2.5
Folle: 3.0

Overall: 3.9

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Surf Report Feed

Trearddur Bay (Holy Island) Surf Stats

All swells

(any wind direction)
Trearddur bay holy island.surf.statistics.aprilSw.animatedSw.label.animated

Good Surf

(light / offshore wind)

This picture illustrates the range of swells directed at Trearddur Bay (Holy Island) through a typical April. It is based on 3041 NWW3 model predictions since 2008 (values every 3 hours). The wave model does not forecast wind and surf right at the coastline so we have chosen the best grid node based on what we know about Trearddur Bay (Holy Island). In this particular case the best grid node is 26 km away (16 miles). The rose diagram shows the distribution of swell directions and swell sizes, while the graph at the bottom shows the same thing but lacks 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 occurred 65% of the time. Green and yellow illustrate increasing swell sizes and red represents the largest swells, greater than >3m (>10ft). In both graphs, 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 longest spokes, was SW, whereas the the most common wind blows from the S. Because the wave model grid is out to sea, sometimes a strong offshore wind blows largest waves away from Trearddur Bay (Holy Island) and offshore. We combine these with the no surf category of the bar chart. To simplify things we don't show these in the rose graph. Because wind determines whether or not waves are good for surfing at Trearddur Bay (Holy Island), you can view an alternative image that shows only the swells that were expected to coincide with glassy or offshore wind conditions. Over an average April, swells large enough to cause clean enough to surf waves at Trearddur Bay (Holy Island) run for about 10% of the time.

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  • Trearddur bay holy island.surf.statistics.marchSw.animated
  • Trearddur bay holy island.surf.statistics.aprilSw.animated
  • Trearddur bay holy island.surf.statistics.maySw.animated
  • Trearddur bay holy island.surf.statistics.juneSw.animated
  • Trearddur bay holy island.surf.statistics.julySw.animated
  • Trearddur bay holy island.surf.statistics.augustSw.animated
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  • Trearddur bay holy island.surf.statistics.novemberSw.animated
  • Trearddur bay holy island.surf.statistics.decemberSw.animated

Also see Trearddur Bay (Holy Island) wind stats

Compare Trearddur Bay (Holy Island) with another surf break

We hope you find the new 12-day forecasts and additional details useful.

Kudos to everyone who helped us debug this over the past 3 months.

Be sure to click on the Advanced Surf option to see extra details about the sea-state. Look out for crossing swells and short period local wind swells and chop that will often spoil a groundswell even if the wind is perfect. As yet there is no allowance for this in the swell rating. This is something we are working on.