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Aberystwyth harbour trap ratings
Quality on a good day: 4.3
Consistency of Surf: 3.3
Difficulty Level: 3.0
Wind and Kite Surfing: 1.0
Crowds: 2.7

Overall: 3.6

See all 18 ratings

Based on 3 votes. Vote


Surf Report Feed

Aberystwyth harbour trap Swell Statistics, October: Surf with Light or Offshore Winds

The rose diagram shows only the swells directed at Aberystwyth harbour trap that coincided with light winds or offshore conditions over a normal October. It is based on 2480 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 the highest swells, greater than >3m (>10ft). In either graph, the area of any colour is proportional to how commonly that size swell occurs.

The diagram implies that the dominant swell direction, shown by the biggest spokes, was SW, whereas the the dominant wind blows from the SSW. 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 4% of the time, equivalent to 1 days. Open sea swells exceeding >3m (>10ft) are unlikely to happen in a normal October. Taking into account the proportion of these swells that coincided with predicted offshore winds, and given the fact that Aberystwyth harbour trap is slightly protected from open water swells, we estimate that clean surf can be found at Aberystwyth harbour trap about 4% of the time and that surf is blown out by onshore wind 24% of the time. This is means that we expect 9 days with waves in a typical October, of which 1 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.