uk es it fr pt nl
Three Arch Bay ratings
Quality on a good day: 4.0
Consistency of Surf: 5.0
Difficulty Level: 3.5
Wind and Kite Surfing: 1.0
Crowds: 4.0

Overall: 3.1

See all 18 ratings

Based on 2 votes. Vote


Surf Report Feed

Three Arch Bay Swell Statistics, October: Surf with Light or Offshore Winds

This image shows only the swells directed at Three Arch Bay that coincided with light winds or offshore conditions through a typical October and is based upon 2976 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 represent increasing swell sizes and red represents the biggest swells, greater than >3m (>10ft). In either graph, the area of any colour is proportional to how frequently that size swell occurs.

The diagram suggests that the prevailing swell direction, shown by the longest spokes, was SSW, whereas the the prevailing wind blows from the W. 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 54% of the time, equivalent to 17 days. Open sea swells exceeding >3m (>10ft) are unlikely to happen in a normal October. Taking into account the fraction of these swells that coincided with expected offshore winds we think that that clean surf can be found at Three Arch Bay about 54% of the time and that surf is blown out by onshore wind 41% of the time. This is means that we expect 29 days with waves in a typical October, of which 17 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.