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

Général: 3.8

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Surf Report Feed

Statistiques de Houle pour Cobblestones, Décembre: Toutes Houles – Tous Vents

The figure illustrates the range of swells directed at Cobblestones through an average December, based on 2953 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 best grid node based on what we know about Cobblestones, and at Cobblestones the best grid node is 42 km away (26 miles).

The rose diagram illustrates the distribution of swell sizes and directions, while the graph at the bottom shows the same thing without direction information. Five colours illustrate increasing wave sizes. Blue shows the smallest swells, less that 0.5m (1.5 feet) high. These were forecast only 0.8% of the time. Green and yellow illustrate increasing swell sizes and largest swells greater than >3m (>10ft) are shown in red. In each graph, the area of any colour is proportional to how often that size swell occurs.

The diagram indicates that the most common swell direction, shown by the largest spokes, was SW, whereas the the most common wind blows from the SSE. Because the wave model grid is offshore, sometimes a strong offshore wind blows largest waves away from Cobblestones and away from the coast. We combine 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 Cobblestones, you can select a similar diagram that shows only the swells that were forecast to coincide with glassy or offshore wind conditions. In a typical December, swells large enough to cause surfable waves at Cobblestones run for about 99% of the time.

IMPORTANT: Beta version feature! Swell heights are open water values from NWW3. There is no attempt to model near-shore effects. Coastal wave heights will generally be less, especially if the break does not have unobstructed exposure to the open ocean.

FEATURE UPDATE: we now show red swell icons for 'open sea' swells that are travelling in an unfavourable direction for the surf break. In places, these swells may still wrap around coastlines and produce smaller waves at some breaks. They are also significant for windsurfers and other water users that tend to venture further off-shore.