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Whangaehu River Mouth ratings
Quality on a good day: 3.5
Consistency of Surf: 3.0
Difficulty Level: 2.0
Wind and Kite Surfing: 3.0
Crowds: 4.5

Overall: 2.8

See all 18 ratings

Based on 2 votes. Vote


Surf Report Feed

Whangaehu River Mouth Swell Statistics, April: Surf with Light or Offshore Winds

This image shows only the swells directed at Whangaehu River Mouth that coincided with light winds or offshore conditions through a typical April and is based upon 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 represent increasing swell sizes and red shows highest swells greater than >3m (>10ft). In either graph, the area of any colour is proportional to how frequently that size swell was forecast.

The diagram suggests that the most common swell direction, shown by the biggest spokes, was W, 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 0.9% of the time, equivalent to 0 days. Open sea swells exceeding >3m (>10ft) are unlikely to occur in a normal April. Taking into account the proportion of these swells that coincided with forecast offshore winds, and given the fact that Whangaehu River Mouth is slightly protected from open water swells, we estimate that clean surf can be found at Whangaehu River Mouth about 0.9% of the time and that surf is blown out by onshore wind 20% of the time. This is means that we expect 6 days with waves in a typical April, of which 0 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.