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Old Woman Island - South Side Surf Stats

All swells

(any wind direction)
Old woman island south side.surf.statistics.mayE.animatedE.label.animated

Good Surf

(light / offshore wind)

The rose diagram describes the range of swells directed at Old Woman Island - South Side through a typical May and is based upon 2838 NWW3 model predictions since 2007 (values every 3 hours). The wave model does not forecast surf and wind right at the coastline so we have chosen the optimum grid node based on what we know about Old Woman Island - South Side. In the case of Old Woman Island - South Side, the best grid node is 41 km away (25 miles). The rose diagram illustrates the distribution of swell sizes and swell direction, 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 were forecast only 12% of the time. Green and yellow represent increasing swell sizes and red shows the highest swells, greater than >3m (>10ft). In each graph, the area of any colour is proportional to how often that size swell happens. The diagram indicates that the prevailing swell direction, shown by the biggest spokes, was ESE, whereas the the dominant wind blows from the SSE. Because the wave model grid is out to sea, sometimes a strong offshore wind blows largest waves away from Old Woman Island - South Side and offshore. We group these with the no surf category of the bar chart. To keep it simple we don't show these in the rose diagram. Because wind determines whether or not waves are clean enough to surf at Old Woman Island - South Side, you can view an alternative image that shows only the swells that were forecast to coincide with glassy or offshore wind conditions. Over an average May, swells large enough to cause surfable waves at Old Woman Island - South Side run for about 88% of the time.

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Also see Old Woman Island - South Side wind stats

Compare Old Woman Island - South Side with another surf break