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Mossies Surf Stats

All swells

(any wind direction)
Mossies.surf.statistics.decemberNw.animatedNw.label.animated

Good Surf

(light / offshore wind)

This picture shows the combination of swells directed at Mossies over a normal December, based on 2953 NWW3 model predictions since 2006 (values every 3 hours). The wave model does not forecast wind or surf right at the shore so we have chosen the optimum grid node based on what we know about Mossies. In the case of Mossies, the best grid node is 23 km away (14 miles). The rose diagram describes the distribution of swell sizes and directions, while the graph at the bottom shows the same thing but without 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 were forecast only 12% of the time. Green and yellow show increasing swell sizes and red shows biggest swells greater than >3m (>10ft). In either graph, the area of any colour is proportional to how commonly that size swell occurs. The diagram implies that the most common swell direction, shown by the longest spokes, was WNW, whereas the the prevailing wind blows from the SW. Because the wave model grid is offshore, sometimes a strong offshore wind blows largest waves away from Mossies and away from the coast. 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 Mossies, 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 December, swells large enough to cause surfable waves at Mossies run for about 81% of the time.

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  • Mossies.surf.statistics.octoberNw.animated
  • Mossies.surf.statistics.novemberNw.animated
  • Mossies.surf.statistics.decemberNw.animated

Also see Mossies wind stats

Compare Mossies with another surf break