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Surf Break Rating

Rate Haitan Bay (Haitan Dao)


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Haitan Bay (Haitan Dao) Surf Stats

All swells

(any wind direction)
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Good Surf

(light / offshore wind)

This chart describes the combination of swells directed at Haitan Bay (Haitan Dao) over a normal March, based on 3460 NWW3 model predictions since 2007 (values every 3 hours). The wave model does not forecast wind or surf right at the coast so we have chosen the most applicable grid node based on what we know about Haitan Bay (Haitan Dao). In the case of Haitan Bay (Haitan Dao), the best grid node is 19 km away (12 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 84% of the time. Green and yellow show increasing swell sizes and highest swells greater than >3m (>10ft) are shown in red. In both graphs, the area of any colour is proportional to how commonly that size swell was forecast. The diagram implies that the dominant swell direction, shown by the longest spokes, was NE, whereas the the dominant wind blows from the NNE. Because the wave model grid is out to sea, sometimes a strong offshore wind blows largest waves away from Haitan Bay (Haitan Dao) and offshore. We lump these in 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 surfable at Haitan Bay (Haitan Dao), you can load a different image 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 Haitan Bay (Haitan Dao) run for about 10% of the time.

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Also see Haitan Bay (Haitan Dao) wind stats

Compare Haitan Bay (Haitan Dao) with another surf break

A M8.1 earthquake near the Kermadec Islands north of New Zealand may pose risk of regional tsunamis. Vanuatu, New Caledonia and northern parts of New Zealand are most vulnerable.