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Grand Rivere Notaciones
Calidad cuándo Funciona: 3.0
Consistencia de Olas: 2.0
Dificultad: 2.0
Windsurf y Kitesurf: 4.0
Gente al Agua: 3.0

Overall: 3.2

Ver todas las 18 notaciones

Basado en 2 votos. Votar


Surf Report Feed

Grand Rivere Surf Stats

All swells

(any wind direction)
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Good Surf

(light / offshore wind)

The graph illustrates the variation of swells directed at Grand Rivere through an average April. It is based on 3120 NWW3 model predictions since 2007 (values every 3 hours). The wave model does not forecast wind and surf right at the shore so we have chosen the optimum grid node based on what we know about Grand Rivere. In this particular case the best grid node is 20 km away (12 miles). The rose diagram shows 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 happened only 33% of the time. Green and yellow represent increasing swell sizes and red represents largest swells greater than >3m (>10ft). In each graph, the area of any colour is proportional to how commonly that size swell occurs. The diagram implies that the most common swell direction, shown by the longest spokes, was NE, whereas the the most common wind blows from the E. Because the wave model grid is out to sea, sometimes a strong offshore wind blows largest waves away from Grand Rivere and offshore. We combine these with the no surf category of the bar chart. To avoid confusion we don't show these in the rose graph. Because wind determines whether or not waves are surfable at Grand Rivere, you can view an alternative 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 good for surfing waves at Grand Rivere run for about 0% of the time.

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Also see Grand Rivere wind stats

Compare Grand Rivere with another surf break