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

Général: 3.3

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Surf Report Feed

Statistiques de Houle pour Dumpers, Septembre: Vagues avec Vents Légers ou Favorables.

This image shows only the swells directed at Dumpers that coincided with light winds or offshore conditions through a typical September. It is based on 2880 predictions, one every 3 hours. The direction of the spokes show where quality surf generating swell comes from. Five colours illustrate increasing wave sizes. Blue shows the smallest swells, less that 0.5m (1.5 feet) high. Green and yellow show increasing swell sizes and biggest swells greater than >3m (>10ft) are shown in red. In both graphs, the area of any colour is proportional to how often that size swell occurs.

The diagram indicates that the dominant swell direction, shown by the largest spokes, was ENE, whereas the the prevailing wind blows from the NW. 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 52% of the time, equivalent to 16 days. Open sea swells exceeding >3m (>10ft) are unlikely to happen in a normal September. Taking into account the proportion of these swells that coincided with predicted offshore winds, and given the fact that Dumpers is exposed to open water swells, we estimate that clean surf can be found at Dumpers about 52% of the time and that surf is messed up by onshore wind 32% of the time. This is means that we expect 25 days with waves in a typical September, of which 16 days should be clean enough to surf.

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.