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Castelejo ratings
Quality on a good day: 2.0
Consistency of Surf: 5.0
Crowds: 3.0

Overall: 3.6

See all 18 ratings

Based on 2 votes. Vote


Surf Report Feed

Castelejo Swell Statistics, December: Surf with Light or Offshore Winds

This image shows only the swells directed at Castelejo that coincided with light winds or offshore conditions through a typical December. It is based on 2705 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 largest swells greater than >3m (>10ft) are shown in red. In both graphs, 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 biggest spokes, was WNW, whereas the the most common wind blows from the NE. 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 34% of the time, equivalent to 10 days. Open water swells exceeding >3m (>10ft) only happen 2% of the time in a typical December, equivalent to just one day but 16% of the time we expect swell in the range 2-3m (6.5-10ft) 16%, equivalent to (5 days). Taking into account the proportion of these swells that coincided with expected offshore winds, and given the fact that Castelejo is exposed to open water swells, we estimate that clean surf can be found at Castelejo about 34% of the time and that surf is blown out by onshore wind 57% of the time. This is means that we expect 27 days with waves in a typical December, of which 10 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.