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Ostiones Surf Stats

All swells

(any wind direction)
Ostiones.surf.statistics.mayWsw.animatedWsw.label.animated

Good Surf

(light / offshore wind)

The graph shows the combination of swells directed at Ostiones over a normal May and is based upon 2838 NWW3 model predictions since 2007 (values every 3 hours). The wave model does not forecast wind and surf right at the coastline so we have chosen the most applicable grid node based on what we know about Ostiones. In the case of Ostiones, the best grid node is 15 km away (9 miles). The rose diagram shows the distribution of swell sizes and swell direction, while the graph at the bottom shows the same thing but without direction information. Five colours show increasing wave sizes. The smallest swells, less than 0.5m (1.5 feet), high are coloured blue. These occurred only 0.5% of the time. Green and yellow represent increasing swell sizes and red shows the biggest swells, greater than >3m (>10ft). In either graph, the area of any colour is proportional to how frequently that size swell happens. The diagram suggests that the dominant swell direction, shown by the biggest spokes, was SSW, whereas the the prevailing wind blows from the NNW. Because the wave model grid is offshore, sometimes a strong offshore wind blows largest waves away from Ostiones and away from the coast. We lump these in 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 clean enough to surf at Ostiones, you can view an alternative image that shows only the swells that were expected to coincide with glassy or offshore wind conditions. During a typical May, swells large enough to cause surfable waves at Ostiones run for about 100% of the time.

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  • Ostiones.surf.statistics.februaryWsw.animated
  • Ostiones.surf.statistics.marchWsw.animated
  • Ostiones.surf.statistics.aprilWsw.animated
  • Ostiones.surf.statistics.mayWsw.animated
  • Ostiones.surf.statistics.juneWsw.animated
  • Ostiones.surf.statistics.julyWsw.animated
  • Ostiones.surf.statistics.augustWsw.animated
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  • Ostiones.surf.statistics.octoberWsw.animated
  • Ostiones.surf.statistics.novemberWsw.animated
  • Ostiones.surf.statistics.decemberWsw.animated

Also see Ostiones wind stats

Compare Ostiones with another surf break