Statistiques de Houle pour Acapulquito-Costa Azul, Mai: Vagues avec Vents Légers ou Favorables.
This image shows only the swells directed at Acapulquito-Costa Azul that coincided with light winds or offshore conditions through a typical May. It is based on 2200 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 red represents biggest swells greater than >3m (>10ft). In each graph, the area of any colour is proportional to how frequently that size swell occurs.
The diagram suggests that the most common swell direction, shown by the longest spokes, was SSW, whereas the the prevailing wind blows from the WNW. 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 85% of the time, equivalent to 26 days. Open sea swells exceeding >3m (>10ft) are unlikely to happen in a normal May but 35% of the time you can expect swell in the range 1.3-2m (4-6.5ft) 35%, equivalent to (11 days). Taking into account the ratio of these swells that coincided with expected offshore winds, and given the fact that Acapulquito-Costa Azul is exposed to open water swells, we estimate that clean surf can be found at Acapulquito-Costa Azul about 85% of the time and that surf is spoilt by onshore wind 13% of the time. This is means that we expect 30 days with waves in a typical May, of which 26 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.