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Derrynane ratings
Quality on a good day: 3.0
Consistency of Surf: 2.8
Difficulty Level: 2.5
Wind and Kite Surfing: 4.5
Crowds: 4.0

Overall: 3.9

See all 18 ratings

Based on 6 votes. Vote


Surf Report Feed

Derrynane Surf Stats

All swells

(any wind direction)
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Good Surf

(light / offshore wind)

This image shows the variation of swells directed at Derrynane through a typical December and is based upon 2953 NWW3 model predictions since 2006 (values every 3 hours). The wave model does not forecast wind or surf right at the coast so we have chosen the best grid node based on what we know about Derrynane, and at Derrynane the best grid node is 31 km away (19 miles). The rose diagram describes 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 occurred only 47% of the time. Green and yellow show increasing swell sizes and red represents 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 prevailing swell direction, shown by the largest spokes, was SW, whereas the the prevailing wind blows from the WSW. Because the wave model grid is offshore, sometimes a strong offshore wind blows largest waves away from Derrynane and away from the coast. We combine these with the no surf category of the bar chart. To avoid confusion we don't show these in the rose diagram. Because wind determines whether or not waves are good for surfing at Derrynane, you can view an alternative image that shows only the swells that were expected to coincide with glassy or offshore wind conditions. Over an average December, swells large enough to cause clean enough to surf waves at Derrynane run for about 48% of the time.

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Also see Derrynane wind stats

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