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Johnshaven Notations
Qualité quand ça marche: 4.0
Consistance des Vagues: 2.0
Niveau de Difficulté: 3.0
Foule a l'Eau: 4.0

Général: 3.5

Voir toutes les 18 notations

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Surf Report Feed

Johnshaven Surf Stats

All swells

(any wind direction)
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Good Surf

(light / offshore wind)

The rose diagram shows the combination of swells directed at Johnshaven through a typical August. It is based on 3472 NWW3 model predictions since 2006 (values every 3 hours). The wave model does not forecast wind and surf right at the coast so we have chosen the most applicable grid node based on what we know about Johnshaven, and at Johnshaven the best grid node is 31 km away (19 miles). The rose diagram illustrates the distribution of swell sizes and swell direction, 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 happened only 58% of the time. Green and yellow show increasing swell sizes and red represents the biggest swells, greater than >3m (>10ft). In either graph, the area of any colour is proportional to how frequently that size swell was forecast. The diagram suggests that the prevailing swell direction, shown by the largest spokes, was SSE, whereas the the prevailing wind blows from the SW. Because the wave model grid is away from the coast, sometimes a strong offshore wind blows largest waves away from Johnshaven and out to sea. We group 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 surfable at Johnshaven, 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 August, swells large enough to cause good for surfing waves at Johnshaven run for about 9% of the time.

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Also see Johnshaven wind stats

Compare Johnshaven with another surf break