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Naval Jetties Surf Stats

All swells

(any wind direction)
Naval jetties.surf.statistics.decemberSse.animatedSse.label.animated

Good Surf

(light / offshore wind)

The graph illustrates the range of swells directed at Naval Jetties through a typical December. It is based on 2953 NWW3 model predictions since 2006 (values every 3 hours). The wave model does not forecast surf and wind right at the coastline so we have chosen the best grid node based on what we know about Naval Jetties. In the case of Naval Jetties, the best grid node is 32 km away (20 miles). The rose diagram shows the distribution of swell sizes and swell direction, while the graph at the bottom shows the same thing but without 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 55% of the time. Green and yellow show increasing swell sizes and red represents the largest swells, greater than >3m (>10ft). In either graph, the area of any colour is proportional to how commonly that size swell happens. The diagram implies that the most common swell direction, shown by the longest spokes, was SE, whereas the the most common wind blows from the WNW. Because the wave model grid is offshore, sometimes a strong offshore wind blows largest waves away from Naval Jetties 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 clean enough to surf at Naval Jetties, 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 December, swells large enough to cause surfable waves at Naval Jetties run for about 45% of the time.

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  • Naval jetties.surf.statistics.aprilSse.animated
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  • Naval jetties.surf.statistics.octoberSse.animated
  • Naval jetties.surf.statistics.novemberSse.animated
  • Naval jetties.surf.statistics.decemberSse.animated

Also see Naval Jetties wind stats

Compare Naval Jetties with another surf break