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Islas Marietas Surf Stats

All swells

(any wind direction)
Islas marietas.surf.statistics.februaryNw.animatedNw.label.animated

Good Surf

(light / offshore wind)

This picture shows the range of swells directed at Islas Marietas through a typical February and is based upon 1128 NWW3 model predictions since 2007 (values every 3 hours). The wave model does not forecast wind or surf right at the coastline so we have chosen the best grid node based on what we know about Islas Marietas, and at Islas Marietas the best grid node is 45 km away (28 miles). The rose diagram shows the distribution of swell sizes and directions, while the graph at the bottom shows the same thing but lacks 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 only 52% of the time. Green and yellow represent increasing swell sizes and red shows the biggest swells, greater than >3m (>10ft). In both graphs, 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 largest spokes, was WNW, whereas the the prevailing wind blows from the N. Because the wave model grid is offshore, sometimes a strong offshore wind blows largest waves away from Islas Marietas and away from the coast. We combine 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 good for surfing at Islas Marietas, you can load a different image that shows only the swells that were expected to coincide with glassy or offshore wind conditions. Over an average February, swells large enough to cause clean enough to surf waves at Islas Marietas run for about 48% of the time.

  • Islas marietas.surf.statistics.januaryNw.animated
  • Islas marietas.surf.statistics.februaryNw.animated
  • Islas marietas.surf.statistics.marchNw.animated
  • Islas marietas.surf.statistics.aprilNw.animated
  • Islas marietas.surf.statistics.mayNw.animated
  • Islas marietas.surf.statistics.juneNw.animated
  • Islas marietas.surf.statistics.julyNw.animated
  • Islas marietas.surf.statistics.augustNw.animated
  • Islas marietas.surf.statistics.septemberNw.animated
  • Islas marietas.surf.statistics.octoberNw.animated
  • Islas marietas.surf.statistics.novemberNw.animated
  • Islas marietas.surf.statistics.decemberNw.animated

Also see Islas Marietas wind stats

Compare Islas Marietas with another surf break