Statistiques de Houle pour The Pass, Été: Vagues avec Vents Légers ou Favorables.
This image shows only the swells directed at The Pass that coincided with light winds or offshore conditions over a normal northern hemisphere summer. It is based on 7255 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 illustrate increasing swell sizes and red shows the largest swells, greater than >3m (>10ft). In each graph, the area of any colour is proportional to how often that size swell was forecast.
The diagram indicates that the dominant swell direction, shown by the largest spokes, was SE, whereas the the most common wind blows from the SW. 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 0.3% of the time, equivalent to 0 days. Open sea swells exceeding >3m (>10ft) are unlikely to occur in a normal northern hemisphere summer. Taking into account the fraction of these swells that coincided with forecast offshore winds, and given the fact that The Pass is slightly protected from open water swells, we calculate that clean surf can be found at The Pass about 0.3% of the time and that surf is spoilt by onshore wind 0.7% of the time. This is means that we expect 1 days with waves in a typical northern hemisphere summer, of which 0 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.