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Uchiumi ratings
Quality on a good day: 2.0
Consistency of Surf: 3.0
Difficulty Level: 3.0
Crowds: 2.0

Overall: 3.0

See all 18 ratings

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Surf Report Feed

Uchiumi Swell Statistics, January: Surf with Light or Offshore Winds

This image shows only the swells directed at Uchiumi that coincided with light winds or offshore conditions over a normal January and is based upon 2620 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 red illustrates highest swells greater than >3m (>10ft). In each graph, the area of any colour is proportional to how frequently that size swell occurs.

The diagram suggests that the dominant swell direction, shown by the biggest spokes, was ESE, whereas the the dominant 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 20% of the time, equivalent to 6 days. Open sea swells exceeding >3m (>10ft) are unlikely to happen in a normal January. Taking into account the proportion of these swells that coincided with expected offshore winds, and given the fact that Uchiumi is exposed to open water swells, we estimate that clean surf can be found at Uchiumi about 20% of the time and that surf is messed up by onshore wind 25% of the time. This is means that we expect 14 days with waves in a typical January, of which 6 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.