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Avalanche Notations
Qualité quand ça marche: 3.3
Consistance des Vagues: 3.0
Niveau de Difficulté: 4.0
Foule a l'Eau: 3.3
Restaurants: 3.0

Général: 3.6

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Surf Report Feed

Statistiques de Houle pour Avalanche, Décembre: Vagues avec Vents Légers ou Favorables.

This image shows only the swells directed at Avalanche that coincided with light winds or offshore conditions over a normal December and is based upon 2457 predictions, one every 3 hours. The direction of the spokes show where quality surf generating swell comes from. Five colours represent increasing wave sizes. Very small swells of less than 0.5m (1.5 feet) high are shown in blue. Green and yellow represent increasing swell sizes and biggest swells greater than >3m (>10ft) are shown in red. In each graph, the area of any colour is proportional to how frequently that size swell was forecast.

The diagram suggests that the most common swell direction, shown by the biggest spokes, was NNW, whereas the the prevailing wind blows from the E. The chart at the bottom shows the same thing but without direction information. For example, swells larger than 1.5 feet (0.5m) coincided with good wind conditions 56% of the time, equivalent to 17 days. Open water swells exceeding >3m (>10ft) only occur 3% of the time in a typical December, equivalent to just one day but 29% of the time we expect swell in the range 2-3m (6.5-10ft) 29%, equivalent to (9 days). Taking into account the ratio of these swells that coincided with expected offshore winds, and given the fact that Avalanche is exposed to open water swells, we calculate that clean surf can be found at Avalanche about 56% of the time and that surf is messed up by onshore wind 20% of the time. This is means that we expect 23 days with waves in a typical December, of which 17 days should be surfable.

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.