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

Overall: 3.3

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Surf Report Feed

Ethel Wreck Swell Statistics, September: Surf with Light or Offshore Winds

The rose diagram shows only the swells directed at Ethel Wreck that coincided with light winds or offshore conditions through a typical September. It is based on 2880 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 illustrate increasing swell sizes and red shows biggest swells greater than >3m (>10ft). In both graphs, the area of any colour is proportional to how often that size swell occurs.

The diagram indicates that the dominant swell direction, shown by the largest spokes, was SW, 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 34% of the time, equivalent to 10 days. Open water swells exceeding >3m (>10ft) only happen 1.8% of the time in a typical September, equivalent to just one day but 8% of the time we expect swell in the range 2-3m (6.5-10ft) 8%, equivalent to (2 days). Taking into account the proportion of these swells that coincided with forecast offshore winds, and given the fact that Ethel Wreck is exposed to open water swells, we calculate that clean surf can be found at Ethel Wreck about 34% of the time and that surf is spoilt by onshore wind 65% of the time. This is means that we expect 30 days with waves in a typical September, of which 10 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.