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Ujung Genteng Harbour ratings
Quality on a good day: 3.5
Consistency of Surf: 4.0
Difficulty Level: 4.0
Wind and Kite Surfing: 4.0
Crowds: 3.5

Overall: 4.2

See all 18 ratings

Based on 2 votes. Vote


Surf Report Feed

Ujung Genteng Harbour Swell Statistics, April: Surf with Light or Offshore Winds

This image shows only the swells directed at Ujung Genteng Harbour that coincided with light winds or offshore conditions through a typical April. It is based on 2640 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 show increasing swell sizes and biggest swells greater than >3m (>10ft) are shown in red. In each graph, the area of any colour is proportional to how often that size swell was forecast.

The diagram indicates that the prevailing swell direction, shown by the largest spokes, was SSW, whereas the the prevailing wind blows from the ESE. 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 71% of the time, equivalent to 21 days. Open sea swells exceeding >3m (>10ft) are unlikely to occur in a normal April but 15% of the time we expect swell in the range 2-3m (6.5-10ft) 15%, equivalent to (4 days). Taking into account the fraction of these swells that coincided with predicted offshore winds, and given the fact that Ujung Genteng Harbour is exposed to open water swells, we estimate that clean surf can be found at Ujung Genteng Harbour about 71% of the time and that surf is messed up by onshore wind 29% of the time. This is means that we expect 30 days with waves in a typical April, 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.