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The Island (Island Bay) Surf Stats

All swells

(any wind direction)
The island island bay.surf.statistics.julySse.animatedSse.label.animated

Good Surf

(light / offshore wind)

The rose diagram describes the combination of swells directed at The Island (Island Bay) over a normal July. It is based on 3472 NWW3 model predictions since 2006 (values every 3 hours). The wave model does not forecast wind or surf right at the coastline so we have chosen the optimum grid node based on what we know about The Island (Island Bay). In this particular case the best grid node is 28 km away (17 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 show increasing wave sizes. The smallest swells, less than 0.5m (1.5 feet), high are coloured blue. These occurred only 30% of the time. Green and yellow show increasing swell sizes and red represents the highest swells, greater than >3m (>10ft). In each graph, 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 longest spokes, was SSE, whereas the the dominant wind blows from the WNW. Because the wave model grid is away from the coast, sometimes a strong offshore wind blows largest waves away from The Island (Island Bay) 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 plot. Because wind determines whether or not waves are good for surfing at The Island (Island Bay), you can view an alternative image that shows only the swells that were forecast to coincide with glassy or offshore wind conditions. During a typical July, swells large enough to cause clean enough to surf waves at The Island (Island Bay) run for about 70% of the time.

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  • The island island bay.surf.statistics.februarySse.animated
  • The island island bay.surf.statistics.marchSse.animated
  • The island island bay.surf.statistics.aprilSse.animated
  • The island island bay.surf.statistics.maySse.animated
  • The island island bay.surf.statistics.juneSse.animated
  • The island island bay.surf.statistics.julySse.animated
  • The island island bay.surf.statistics.augustSse.animated
  • The island island bay.surf.statistics.septemberSse.animated
  • The island island bay.surf.statistics.octoberSse.animated
  • The island island bay.surf.statistics.novemberSse.animated
  • The island island bay.surf.statistics.decemberSse.animated

Also see The Island (Island Bay) wind stats

Compare The Island (Island Bay) with another surf break