Bouznika Plage Swell Statistics, July: Surf with Light or Offshore Winds
The rose diagram shows only the swells directed at Bouznika Plage that coincided with light winds or offshore conditions over a normal July. 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 represent increasing swell sizes and biggest swells greater than >3m (>10ft) are shown in red. In both graphs, the area of any colour is proportional to how often that size swell happens.
The diagram indicates that the prevailing swell direction, shown by the largest spokes, was NW, whereas the the prevailing wind blows from the NNW. 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 1.8% of the time, equivalent to 1 days. Open sea swells exceeding >3m (>10ft) are unlikely to arise in a normal July but 24% of the time you can expect swell in the range 1.3-2m (4-6.5ft) 24%, equivalent to (7 days). Taking into account the ratio of these swells that coincided with expected offshore winds, and given the fact that Bouznika Plage is quite sheltered from open water swells, we estimate that clean surf can be found at Bouznika Plage about 1.8% of the time and that surf is blown out by onshore wind 1.2% of the time. This is means that we expect 1 days with waves in a typical July, 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.