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Coffs Harbour-North Wall Surf Stats

All swells

(any wind direction)
Coffs harbour north wall.surf.statistics.januarySe.animatedSe.label.animated

Good Surf

(light / offshore wind)

The rose diagram shows the variation of swells directed at Coffs Harbour-North Wall through a typical January, based on 3364 NWW3 model predictions since 2007 (values every 3 hours). The wave model does not forecast surf and wind right at the coast so we have chosen the best grid node based on what we know about Coffs Harbour-North Wall. In this particular case the best grid node is 35 km away (22 miles). The rose diagram describes the distribution of swell sizes and directions, while the graph at the bottom shows the same thing without direction information. Five colours illustrate increasing wave sizes. Blue shows the smallest swells, less that 0.5m (1.5 feet) high. These happened only 20% of the time. Green and yellow show increasing swell sizes and red illustrates the biggest 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 dominant swell direction, shown by the biggest spokes, was SE, whereas the the prevailing wind blows from the ENE. Because the wave model grid is out to sea, sometimes a strong offshore wind blows largest waves away from Coffs Harbour-North Wall 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 good for surfing at Coffs Harbour-North Wall, you can select a similar diagram that shows only the swells that were forecast to coincide with glassy or offshore wind conditions. Over an average January, swells large enough to cause clean enough to surf waves at Coffs Harbour-North Wall run for about 80% of the time.

  • Coffs harbour north wall.surf.statistics.januarySe.animated
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  • Coffs harbour north wall.surf.statistics.aprilSe.animated
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  • Coffs harbour north wall.surf.statistics.augustSe.animated
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  • Coffs harbour north wall.surf.statistics.novemberSe.animated
  • Coffs harbour north wall.surf.statistics.decemberSe.animated

Also see Coffs Harbour-North Wall wind stats

Compare Coffs Harbour-North Wall with another surf break