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Notation de Spot de Surf

Noter Da Mei Sha Beach


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Statistiques de Houle pour Da Mei Sha Beach, Mars: Vagues avec Vents Légers ou Favorables.

This image shows only the swells directed at Da Mei Sha Beach that coincided with light winds or offshore conditions through a typical March. It is based on 2716 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 was forecast.

The diagram implies that the prevailing swell direction, shown by the biggest spokes, was SSE, whereas the the most common wind blows from the E. 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 0% of the time, equivalent to 0 days. Open sea swells exceeding >3m (>10ft) are unlikely to occur in a normal March. Taking into account the ratio of these swells that coincided with forecast offshore winds, and given the fact that Da Mei Sha Beach is quite sheltered from open water swells, we calculate that clean surf can be found at Da Mei Sha Beach about 0% of the time and that surf is messed up by onshore wind 0% of the time. This is means that we expect 0 days with waves in a typical March, of which 0 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.