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Avaliar Trá Na Rosan


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Trá Na Rosan Surf Stats

All swells

(any wind direction)
Tra na rosan.surf.statistics.mayNnw.animatedNnw.label.animated

Good Surf

(light / offshore wind)

The figure illustrates the combination of swells directed at Trá Na Rosan over a normal May, based on 3440 NWW3 model predictions since 2007 (values every 3 hours). The wave model does not forecast wind or surf right at the coast so we have chosen the best grid node based on what we know about Trá Na Rosan, and at Trá Na Rosan the best grid node is 32 km away (20 miles). The rose diagram shows the distribution of swell sizes and swell direction, while the graph at the bottom shows the same thing but lacks direction information. Five colours illustrate increasing wave sizes. Blue shows the smallest swells, less that 0.5m (1.5 feet) high. These occurred only 76% of the time. Green and yellow illustrate increasing swell sizes and red illustrates the largest swells, greater than >3m (>10ft). In both graphs, the area of any colour is proportional to how commonly that size swell happens. The diagram implies that the most common swell direction, shown by the biggest spokes, was NNW, whereas the the most common wind blows from the SSW. Because the wave model grid is away from the coast, sometimes a strong offshore wind blows largest waves away from Trá Na Rosan and out to sea. We combine these with the no surf category of the bar chart. To avoid confusion we don't show these in the rose diagram. Because wind determines whether or not waves are clean enough to surf at Trá Na Rosan, you can load a different image that shows only the swells that were forecast to coincide with glassy or offshore wind conditions. During a typical May, swells large enough to cause surfable waves at Trá Na Rosan run for about 17% of the time.

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Also see Trá Na Rosan wind stats

Compare Trá Na Rosan with another surf break