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Arnold Voti
Qualità su una buona giornata: 3.0
Coerenza del surf: 2.0
Livello di difficoltà: 1.0
Folle: 4.0

Overall: 3.0

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Surf Report Feed

Arnold Swell Statistics, Agosto: Surf with Light or Offshore Winds

This image shows only the swells directed at Arnold that coincided with light winds or offshore conditions through a typical August. It is based on 2976 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 represent increasing swell sizes and red illustrates biggest swells greater than >3m (>10ft). In both graphs, the area of any colour is proportional to how commonly that size swell occurs.

The diagram implies that the prevailing swell direction, shown by the longest spokes, was SSW, whereas the the prevailing 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 50% of the time, equivalent to 16 days. Open sea swells exceeding >3m (>10ft) are unlikely to happen in a normal August. Taking into account the proportion of these swells that coincided with expected offshore winds we estimate that clean surf can be found at Arnold about 50% of the time and that surf is blown out by onshore wind 49% of the time. This is means that we expect 31 days with waves in a typical August, 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.