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Aligator Rock ratings
Quality on a good day: 2.0
Consistency of Surf: 5.0
Difficulty Level: 4.0
Crowds: 3.0

Overall: 4.0

See all 18 ratings

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Surf Report Feed

Aligator Rock Swell Statistics, April: Surf with Light or Offshore Winds

This image shows only the swells directed at Aligator Rock that coincided with light winds or offshore conditions over a normal April. It is based on 2640 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 illustrates highest 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 most common swell direction, shown by the longest spokes, was NNW, whereas the the dominant 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 34% of the time we expect swell in the range 2-3m (6.5-10ft) 34%, equivalent to (10 days). Taking into account the proportion of these swells that coincided with predicted offshore winds, and given the fact that Aligator Rock is exposed to open water swells, we think that that clean surf can be found at Aligator Rock about 46% of the time and that surf is blown out by onshore wind 6% of the time. This is means that we expect 16 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.