Kanaha ratings
Quality on a good day: 3.0
Consistency of Surf: 3.0
Difficulty Level: 1.0
Crowds: 3.0

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Surf Report Feed

Kanaha Swell Statistics, April: Surf with Light or Offshore Winds

This image shows only the swells directed at Kanaha that coincided with light winds or offshore conditions over a normal April and is based upon 1680 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 illustrate increasing swell sizes and red illustrates biggest swells greater than >3m (>10ft). In both graphs, the area of any colour is proportional to how often that size swell was forecast.

The diagram indicates that the dominant swell direction, shown by the largest spokes, was NNE, whereas the the prevailing wind blows from the E. 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 46% of the time, equivalent to 14 days. Open sea swells exceeding >3m (>10ft) are unlikely to occur in a normal April but 18% of the time we expect swell in the range 2-3m (6.5-10ft) 18%, equivalent to (5 days). Taking into account the proportion of these swells that coincided with expected offshore winds we calculate that clean surf can be found at Kanaha about 46% of the time and that surf is spoilt by onshore wind 15% of the time. This is means that we expect 18 days with waves in a typical April, of which 14 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.

 

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