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Sand Key Jetty Surf Stats

All swells

(any wind direction)
Sand key jetty.surf.statistics.mayNw.animatedNw.label.animated

Good Surf

(light / offshore wind)

The figure illustrates the combination of swells directed at Sand Key Jetty over a normal May. It is based on 3416 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 Sand Key Jetty. In this particular case the best grid node is 17 km away (11 miles). The rose diagram shows 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 89% of the time. Green and yellow illustrate increasing swell sizes and largest swells greater than >3m (>10ft) are shown in red. In both graphs, the area of any colour is proportional to how frequently that size swell was forecast. The diagram suggests that the dominant swell direction, shown by the longest spokes, was NW, whereas the the most common wind blows from the NE. Because the wave model grid is out to sea, sometimes a strong offshore wind blows largest waves away from Sand Key Jetty and offshore. We lump these in 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 Sand Key Jetty, you can select a similar diagram that shows only the swells that were forecast to coincide with glassy or offshore wind conditions. During a typical May, swells large enough to cause good for surfing waves at Sand Key Jetty run for about 11% of the time.

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  • Sand key jetty.surf.statistics.novemberNw.animated
  • Sand key jetty.surf.statistics.decemberNw.animated

Also see Sand Key Jetty wind stats

Compare Sand Key Jetty with another surf break