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Statistiques de Surf de Ewa Beach Park

All swells

(any wind direction)
Ewa beach park.surf.statistics.maySse.animatedSse.label.animated

Good Surf

(light / offshore wind)

The figure shows the range of swells directed at Ewa Beach Park through a typical 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 optimum grid node based on what we know about Ewa Beach Park, and at Ewa Beach Park the best grid node is 35 km away (22 miles). The rose diagram shows the distribution of swell directions and swell sizes, while the graph at the bottom shows the same thing but lacks direction information. Five colours represent increasing wave sizes. Very small swells of less than 0.5m (1.5 feet) high are shown in blue. These occurred only 39% of the time. Green and yellow represent increasing swell sizes and red illustrates biggest swells greater than >3m (>10ft). 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 prevailing wind blows from the ENE. Because the wave model grid is away from the coast, sometimes a strong offshore wind blows largest waves away from Ewa Beach Park and out to sea. We combine these with the no surf category of the bar chart. To keep it simple we don't show these in the rose graph. Because wind determines whether or not waves are surfable at Ewa Beach Park, you can view an alternative image that shows only the swells that were expected to coincide with glassy or offshore wind conditions. Over an average May, swells large enough to cause good for surfing waves at Ewa Beach Park run for about 61% of the time.

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Also see Ewa Beach Park wind stats

Compare Ewa Beach Park with another surf break

Nearby location  blueNearest
Nearby location  blueNearest