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Wainui Bay ratings
Quality on a good day: 3.0
Consistency of Surf: 3.0
Difficulty Level: 1.0
Crowds: 4.0

Overall: 3.2

See all 18 ratings

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Surf Report Feed

Wainui Bay Swell Statistics, Spring: Surf with Light or Offshore Winds

This image shows only the swells directed at Wainui Bay that coincided with light winds or offshore conditions over a normal southern hemisphere spring. It is based on 8475 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 represent increasing swell sizes and red illustrates biggest swells greater than >3m (>10ft). In each graph, the area of any colour is proportional to how frequently that size swell was forecast.

The diagram suggests that the dominant swell direction, shown by the biggest spokes, was NE, whereas the the prevailing wind blows from the WSW. 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 35% of the time, equivalent to 32 days. Open sea swells exceeding >3m (>10ft) are unlikely to occur in a normal southern hemisphere spring but 1.7% of the time we expect swell in the range 2-3m (6.5-10ft) 1.7%, equivalent to (2 days). Taking into account the proportion of these swells that coincided with expected offshore winds, and given the fact that Wainui Bay is exposed to open water swells, we think that that clean surf can be found at Wainui Bay about 35% of the time and that surf is spoilt by onshore wind 36% of the time. This is means that we expect 65 days with waves in a typical southern hemisphere spring, of which 32 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.