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Warriewood ratings
Quality on a good day: 4.5
Consistency of Surf: 5.0
Difficulty Level: 3.5
Wind and Kite Surfing: 1.0
Crowds: 3.2

Overall: 3.2

See all 18 ratings

Based on 4 votes. Vote


Surf Report Feed

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

This image shows only the swells directed at Warriewood that coincided with light winds or offshore conditions through a typical April. 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 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 shows biggest swells greater than >3m (>10ft). In each graph, the area of any colour is proportional to how frequently that size swell happens.

The diagram suggests that the dominant swell direction, shown by the biggest spokes, was SE, whereas the the prevailing wind blows from the S. 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 50% of the time, equivalent to 15 days. Open water swells exceeding >3m (>10ft) only arise 2.0% of the time in a typical April, equivalent to just one day but 17% of the time we expect swell in the range 2-3m (6.5-10ft) 17%, equivalent to (5 days). Taking into account the proportion of these swells that coincided with predicted offshore winds, and given the fact that Warriewood is exposed to open water swells, we think that that clean surf can be found at Warriewood about 50% of the time and that surf is spoilt by onshore wind 39% of the time. This is means that we expect 27 days with waves in a typical April, of which 15 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.