uk es it fr pt nl
Notation de Spot de Surf

Noter Usami


Surf Report Feed

Usami Surf Stats

All swells

(any wind direction)
Usami.surf.statistics.aprilE.animatedE.label.animated

Good Surf

(light / offshore wind)

The graph describes the range of swells directed at Usami through an average April. It is based on 3360 NWW3 model predictions since 2007 (values every 3 hours). The wave model does not forecast wind or surf right at the shore so we have chosen the most applicable grid node based on what we know about Usami, and at Usami the best grid node is 77 km away (48 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 show increasing wave sizes. The smallest swells, less than 0.5m (1.5 feet), high are coloured blue. These happened only 75% 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 frequently that size swell happens. The diagram suggests that the dominant swell direction, shown by the biggest spokes, was E, whereas the the dominant wind blows from the SW. Because the wave model grid is offshore, sometimes a strong offshore wind blows largest waves away from Usami and away from the coast. We lump these in 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 Usami, you can load a different image that shows only the swells that were predicted to coincide with glassy or offshore wind conditions. In a typical April, swells large enough to cause surfable waves at Usami run for about 3% of the time.

  • Usami.surf.statistics.januaryE.animated
  • Usami.surf.statistics.februaryE.animated
  • Usami.surf.statistics.marchE.animated
  • Usami.surf.statistics.aprilE.animated
  • Usami.surf.statistics.mayE.animated
  • Usami.surf.statistics.juneE.animated
  • Usami.surf.statistics.julyE.animated
  • Usami.surf.statistics.augustE.animated
  • Usami.surf.statistics.septemberE.animated
  • Usami.surf.statistics.octoberE.animated
  • Usami.surf.statistics.novemberE.animated
  • Usami.surf.statistics.decemberE.animated

Also see Usami wind stats

Compare Usami with another surf break