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Laggan Bay (Islay) ratings
Quality on a good day: 4.0
Consistency of Surf: 3.0
Difficulty Level: 3.0
Wind and Kite Surfing: 5.0
Crowds: 2.0

Overall: 3.2

See all 18 ratings

Based on 2 votes. Vote


Surf Report Feed

Laggan Bay (Islay) Swell Statistics, Winter: Surf with Light or Offshore Winds

This image shows only the swells directed at Laggan Bay (Islay) that coincided with light winds or offshore conditions through a typical northern hemisphere winter and is based upon 8485 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 show increasing swell sizes and red represents the largest 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 prevailing swell direction, shown by the largest spokes, was WNW, whereas the the most common wind blows from the SW. 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 5% of the time, equivalent to 5 days. Open water swells exceeding >3m (>10ft) only arise 0.6% of the time in a typical northern hemisphere winter, equivalent to just one day but 3% of the time can expect small swell in the range 1.3-2m (4-6.5ft) 3%, equivalent to (3 days). Taking into account the fraction of these swells that coincided with expected offshore winds, and given the fact that Laggan Bay (Islay) is slightly protected from open water swells, we estimate that clean surf can be found at Laggan Bay (Islay) about 5% of the time and that surf is messed up by onshore wind 58% of the time. This is means that we expect 57 days with waves in a typical northern hemisphere winter, of which 5 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.