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Middles ratings
Quality on a good day: 2.0
Consistency of Surf: 1.0
Difficulty Level: 4.0
Crowds: 5.0

Overall: 3.2

See all 18 ratings

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Surf Report Feed

Middles Swell Statistics, October: Surf with Light or Offshore Winds

The rose diagram shows only the swells directed at Middles that coincided with light winds or offshore conditions over a normal October. 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 show increasing swell sizes and red shows 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 dominant swell direction, shown by the longest spokes, was SSW, whereas the the prevailing wind blows from the W. 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 52% of the time, equivalent to 16 days. Open sea swells exceeding >3m (>10ft) are unlikely to happen in a normal October. Taking into account the ratio of these swells that coincided with expected offshore winds we estimate that clean surf can be found at Middles about 52% of the time and that surf is spoilt by onshore wind 36% of the time. This is means that we expect 27 days with waves in a typical October, 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.