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Okiwi - Whangapoua Estuary avaliaçãos
Qualidade em um dia bom: 3.0
Consistência do surf: 3.0
Nível de dificuldade: 2.0
Multidões: 3.0
Acomodação: 2.0

Overall: 3.0

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Baseado em 2 votes. Vote


Surf Report Feed

Okiwi - Whangapoua Estuary Swell Statistics, Julho: All Swell – Any Wind

This image shows the variation of swells directed at Okiwi - Whangapoua Estuary through a typical July, based on 2480 NWW3 model predictions since 2006 (values every 3 hours). The wave model does not forecast wind and surf right at the shore so we have chosen the most applicable grid node based on what we know about Okiwi - Whangapoua Estuary. In the case of Okiwi - Whangapoua Estuary, the best grid node is 17 km away (11 miles).

The rose diagram describes the distribution of swell directions and swell sizes, while the graph at the bottom shows the same thing without direction information. Five colours illustrate increasing wave sizes. Blue shows the smallest swells, less that 0.5m (1.5 feet) high. These were forecast only 49% of the time. Green and yellow show increasing swell sizes and red illustrates the biggest swells, greater than >3m (>10ft). In either graph, 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 ENE, whereas the the prevailing wind blows from the SW. Because the wave model grid is offshore, sometimes a strong offshore wind blows largest waves away from Okiwi - Whangapoua Estuary and away from the coast. We group these with the no surf category of the bar chart. To avoid confusion we don't show these in the rose graph. Because wind determines whether or not waves are clean enough to surf at Okiwi - Whangapoua Estuary, you can load a different image that shows only the swells that were predicted to coincide with glassy or offshore wind conditions. Over an average July, swells large enough to cause surfable waves at Okiwi - Whangapoua Estuary run for about 35% of the time.

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.