uk es it fr pt nl

Mahia Spit Surf Stats

All swells

(any wind direction)
Mahia spit.surf.statistics.novemberNe.animatedNe.label.animated

Good Surf

(light / offshore wind)

The figure describes the combination of swells directed at Mahia Spit over a normal November. It is based on 3347 NWW3 model predictions since 2006 (values every 3 hours). The wave model does not forecast wind or surf right at the coastline so we have chosen the most applicable grid node based on what we know about Mahia Spit. In the case of Mahia Spit, the best grid node is 12 km away (7 miles). The rose diagram illustrates the distribution of swell sizes and swell direction, while the graph at the bottom shows the same thing 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 69% of the time. Green and yellow show increasing swell sizes and highest swells greater than >3m (>10ft) are shown in red. In each graph, the area of any colour is proportional to how commonly that size swell occurs. The diagram implies that the prevailing swell direction, shown by the biggest spokes, was ENE, whereas the the dominant wind blows from the NW. Because the wave model grid is out to sea, sometimes a strong offshore wind blows largest waves away from Mahia Spit 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 plot. Because wind determines whether or not waves are surfable at Mahia Spit, you can load a different image that shows only the swells that were predicted to coincide with glassy or offshore wind conditions. During a typical November, swells large enough to cause good for surfing waves at Mahia Spit run for about 31% of the time.

  • Mahia spit.surf.statistics.januaryNe.animated
  • Mahia spit.surf.statistics.februaryNe.animated
  • Mahia spit.surf.statistics.marchNe.animated
  • Mahia spit.surf.statistics.aprilNe.animated
  • Mahia spit.surf.statistics.mayNe.animated
  • Mahia spit.surf.statistics.juneNe.animated
  • Mahia spit.surf.statistics.julyNe.animated
  • Mahia spit.surf.statistics.augustNe.animated
  • Mahia spit.surf.statistics.septemberNe.animated
  • Mahia spit.surf.statistics.octoberNe.animated
  • Mahia spit.surf.statistics.novemberNe.animated
  • Mahia spit.surf.statistics.decemberNe.animated

Also see Mahia Spit wind stats

Compare Mahia Spit with another surf break