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Dunnet Bay Notations
Qualité quand ça marche: 2.0
Consistance des Vagues: 3.0
Niveau de Difficulté: 1.0

Général: 2.6

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Surf Report Feed

Statistiques de Houle pour Dunnet Bay, Automne: Vagues avec Vents Légers ou Favorables.

This image shows only the swells directed at Dunnet Bay that coincided with light winds or offshore conditions through a typical northern hemisphere autumn. It is based on 8476 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 largest swells greater than >3m (>10ft) are shown in red. In both graphs, the area of any colour is proportional to how commonly that size swell was forecast.

The diagram implies that the prevailing swell direction, shown by the longest spokes, was WNW, 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 32% of the time, equivalent to 29 days. Open water swells exceeding >3m (>10ft) only occur 1.5% of the time in a typical northern hemisphere autumn, equivalent to just one day but 10% of the time we expect swell in the range 2-3m (6.5-10ft) 10%, equivalent to (9 days). Taking into account the fraction of these swells that coincided with expected offshore winds, and given the fact that Dunnet Bay is exposed to open water swells, we think that that clean surf can be found at Dunnet Bay about 32% of the time and that surf is messed up by onshore wind 57% of the time. This is means that we expect 81 days with waves in a typical northern hemisphere autumn, of which 29 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.