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Derrs Notaciones
Calidad cuándo Funciona: 2.0
Consistencia de Olas: 4.0
Dificultad: 1.0
Gente al Agua: 3.0

Overall: 2.8

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Surf Report Feed

Estadísticas de Olas para Derrs, enero: Olas con Vientos Ligeros o Terrales

This image shows only the swells directed at Derrs that coincided with light winds or offshore conditions over a normal January. It is based on 2620 predictions, one every 3 hours. The direction of the spokes show where quality surf generating swell comes from. Five colours show increasing wave sizes. The smallest swells, less than 0.5m (1.5 feet), high are coloured blue. Green and yellow show increasing swell sizes and red shows the biggest swells, greater than >3m (>10ft). In either graph, the area of any colour is proportional to how commonly that size swell happens.

The diagram implies that the prevailing swell direction, shown by the biggest spokes, was SW, whereas the the prevailing wind blows from the SSE. 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 25% of the time, equivalent to 8 days. Open sea swells exceeding >3m (>10ft) are unlikely to arise in a normal January but 15% of the time you can expect swell in the range 1.3-2m (4-6.5ft) 15%, equivalent to (5 days). Taking into account the proportion of these swells that coincided with predicted offshore winds, and given the fact that Derrs is exposed to open water swells, we calculate that clean surf can be found at Derrs about 25% of the time and that surf is messed up by onshore wind 75% of the time. This is means that we expect 31 days with waves in a typical January, of which 8 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.