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El Capitan ratings
Quality on a good day: 4.0
Consistency of Surf: 1.8
Difficulty Level: 4.2
Wind and Kite Surfing: 1.0
Crowds: 2.5

Overall: 2.4

See all 18 ratings

Based on 4 votes. Vote


Surf Report Feed

El Capitan Swell Statistics, March: Surf with Light or Offshore Winds

This image shows only the swells directed at El Capitan that coincided with light winds or offshore conditions through a typical March. It is based on 2964 predictions, one every 3 hours. The direction of the spokes show where quality surf generating swell comes from. Five colours illustrate increasing wave sizes. Blue shows the smallest swells, less that 0.5m (1.5 feet) high. Green and yellow represent increasing swell sizes and red represents largest swells greater than >3m (>10ft). In both graphs, the area of any colour is proportional to how commonly that size swell happens.

The diagram implies that the dominant swell direction, shown by the longest spokes, was WNW, whereas the the most common wind blows from the NW. 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 67% of the time, equivalent to 21 days. Expect open water swells to exceed >3m (>10ft) 5% of the time (2 days). Taking into account the proportion of these swells that coincided with forecast offshore winds, and given the fact that El Capitan is slightly protected from open water swells, we estimate that clean surf can be found at El Capitan about 67% of the time and that surf is spoilt by onshore wind 19% of the time. This is means that we expect 27 days with waves in a typical March, of which 21 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.