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Itaipu ratings
Quality on a good day: 2.0
Consistency of Surf: 3.0
Difficulty Level: 4.0
Crowds: 4.0

Overall: 3.3

See all 18 ratings

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Surf Report Feed

Itaipu Surf Stats

All swells

(any wind direction)
Itaipu rio.surf.statistics.octoberSw.animatedSw.label.animated

Good Surf

(light / offshore wind)

This chart describes the combination of swells directed at Itaipu through an average October. It is based on 3471 NWW3 model predictions since 2006 (values every 3 hours). The wave model does not forecast surf and wind right at the shore so we have chosen the best grid node based on what we know about Itaipu, and at Itaipu the best grid node is 5 km away (3 miles). The rose diagram shows the distribution of swell sizes and directions, while the graph at the bottom shows the same thing 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 only 63% of the time. Green and yellow represent increasing swell sizes and highest swells greater than >3m (>10ft) are shown in red. In either graph, the area of any colour is proportional to how frequently that size swell was forecast. The diagram suggests that the prevailing swell direction, shown by the biggest spokes, was S, whereas the the dominant wind blows from the ESE. Because the wave model grid is offshore, sometimes a strong offshore wind blows largest waves away from Itaipu and away from the coast. 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 surfable at Itaipu, you can select a similar diagram that shows only the swells that were expected to coincide with glassy or offshore wind conditions. In a typical October, swells large enough to cause good for surfing waves at Itaipu run for about 37% of the time.

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  • Itaipu rio.surf.statistics.aprilSw.animated
  • Itaipu rio.surf.statistics.maySw.animated
  • Itaipu rio.surf.statistics.juneSw.animated
  • Itaipu rio.surf.statistics.julySw.animated
  • Itaipu rio.surf.statistics.augustSw.animated
  • Itaipu rio.surf.statistics.septemberSw.animated
  • Itaipu rio.surf.statistics.octoberSw.animated
  • Itaipu rio.surf.statistics.novemberSw.animated
  • Itaipu rio.surf.statistics.decemberSw.animated

Also see Itaipu wind stats

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