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Machir Bay (Islay) Notations
Qualité quand ça marche: 4.0
Consistance des Vagues: 3.0
Niveau de Difficulté: 3.0

Général: 4.0

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Surf Report Feed

Statistiques de Houle pour Machir Bay (Islay), Septembre: Vagues avec Vents Légers ou Favorables.

This image shows only the swells directed at Machir Bay (Islay) that coincided with light winds or offshore conditions through a typical September. It is based on 2400 predictions, one every 3 hours. The direction of the spokes show where quality surf generating swell comes from. Five colours represent increasing wave sizes. Very small swells of less than 0.5m (1.5 feet) high are shown in blue. Green and yellow show increasing swell sizes and red illustrates the highest 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 prevailing swell direction, shown by the longest spokes, was W, whereas the the dominant 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 16% of the time, equivalent to 5 days. Open sea swells exceeding >3m (>10ft) are unlikely to occur in a normal September but 6% of the time you can expect swell in the range 1.3-2m (4-6.5ft) 6%, equivalent to (2 days). Taking into account the fraction of these swells that coincided with predicted offshore winds, and given the fact that Machir Bay (Islay) is exposed to open water swells, we think that that clean surf can be found at Machir Bay (Islay) about 16% of the time and that surf is spoilt by onshore wind 70% of the time. This is means that we expect 26 days with waves in a typical September, of which 5 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.