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Vanthrax Surf Stats

All swells

(any wind direction)
Vanthrax.surf.statistics.januaryWnw.animatedWnw.label.animated

Good Surf

(light / offshore wind)

This image illustrates the variation of swells directed at Vanthrax through an average January. It is 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 Vanthrax. In the case of Vanthrax, the best grid node is 24 km away (15 miles). The rose diagram describes the distribution of swell sizes and directions, while the graph at the bottom shows the same thing without direction information. Five colours show increasing wave sizes. The smallest swells, less than 0.5m (1.5 feet), high are coloured blue. These happened only 5% 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 occurs. The diagram implies that the dominant swell direction, shown by the largest spokes, was NW, whereas the the most common wind blows from the SW. Because the wave model grid is offshore, sometimes a strong offshore wind blows largest waves away from Vanthrax 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 graph. Because wind determines whether or not waves are clean enough to surf at Vanthrax, you can select a similar diagram that shows only the swells that were predicted to coincide with glassy or offshore wind conditions. In a typical January, swells large enough to cause surfable waves at Vanthrax run for about 75% of the time.

  • Vanthrax.surf.statistics.januaryWnw.animated
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  • Vanthrax.surf.statistics.novemberWnw.animated
  • Vanthrax.surf.statistics.decemberWnw.animated

Also see Vanthrax wind stats

Compare Vanthrax with another surf break