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Ombak Tujuh Surf Stats

All swells

(any wind direction)
Ombak tujuh.surf.statistics.maySw.animatedSw.label.animated

Good Surf

(light / offshore wind)

The graph illustrates the combination of swells directed at Ombak Tujuh through an average May and is based upon 2838 NWW3 model predictions since 2007 (values every 3 hours). The wave model does not forecast wind and surf right at the coastline so we have chosen the most applicable grid node based on what we know about Ombak Tujuh, and at Ombak Tujuh the best grid node is 29 km away (18 miles). The rose diagram describes the distribution of swell sizes and swell direction, while the graph at the bottom shows the same thing but without 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 2% of the time. Green and yellow illustrate increasing swell sizes and red shows the largest 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 longest spokes, was SSW, whereas the the most common wind blows from the ESE. Because the wave model grid is out to sea, sometimes a strong offshore wind blows largest waves away from Ombak Tujuh and offshore. We group these with the no surf category of the bar chart. To keep it simple we don't show these in the rose graph. Because wind determines whether or not waves are clean enough to surf at Ombak Tujuh, you can view an alternative image that shows only the swells that were expected to coincide with glassy or offshore wind conditions. In a typical May, swells large enough to cause surfable waves at Ombak Tujuh run for about 98% of the time.

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  • Ombak tujuh.surf.statistics.decemberSw.animated

Also see Ombak Tujuh wind stats

Compare Ombak Tujuh with another surf break