Surf Forecast Surf Report
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Okiwi - Whangapoua Estuary Surf Stats

All swells

(any wind direction)

Good Surf

(light / offshore wind)

This picture describes the range of swells directed at Okiwi - Whangapoua Estuary over a normal March. It is based on 3460 NWW3 model predictions since 2007 (values every 3 hours). The wave model does not forecast wind and surf right at the coast so we have chosen the optimum 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 illustrates the distribution of swell directions and swell sizes, while the graph at the bottom shows the same thing but lacks direction information. Five colours show increasing wave sizes. The smallest swells, less than 0.5m (1.5 feet), high are coloured blue. These occurred only 13% of the time. 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 happens. The diagram suggests that the dominant swell direction, shown by the largest spokes, was ENE, whereas the the dominant wind blows from the SE. 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 lump these in with the no surf category of the bar chart. To keep it simple we don't show these in the rose diagram. Because wind determines whether or not waves are surfable at Okiwi - Whangapoua Estuary, you can select a similar diagram that shows only the swells that were predicted to coincide with glassy or offshore wind conditions. During a typical March, swells large enough to cause good for surfing waves at Okiwi - Whangapoua Estuary run for about 50% of the time.

Also see Okiwi - Whangapoua Estuary wind stats

Compare Okiwi - Whangapoua Estuary with another surf break

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