Surf Forecast Surf Report
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Dunedin - St Kilda Beach Surf Stats

All swells

(any wind direction)

Good Surf

(light / offshore wind)

This image illustrates the range of swells directed at Dunedin - St Kilda Beach over a normal March. It is based on 3460 NWW3 model predictions since 2007 (values every 3 hours). The wave model does not forecast surf and wind right at the coast so we have chosen the most applicable grid node based on what we know about Dunedin - St Kilda Beach, and at Dunedin - St Kilda Beach the best grid node is 10 km away (6 miles). The rose diagram describes the distribution of swell sizes and directions, while the graph at the bottom shows the same thing without direction information. Five colours show increasing wave sizes. The smallest swells, less than 0.5m (1.5 feet), high are coloured blue. These happened only 29% of the time. Green and yellow show increasing swell sizes and largest swells greater than >3m (>10ft) are shown in red. In either graph, the area of any colour is proportional to how commonly that size swell happens. The diagram implies that the most common swell direction, shown by the longest spokes, was S, whereas the the most common wind blows from the NW. Because the wave model grid is away from the coast, sometimes a strong offshore wind blows largest waves away from Dunedin - St Kilda Beach and out to sea. We lump these in with the no surf category of the bar chart. To simplify things we don't show these in the rose plot. Because wind determines whether or not waves are good for surfing at Dunedin - St Kilda Beach, you can view an alternative 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 clean enough to surf waves at Dunedin - St Kilda Beach run for about 71% of the time.

Also see Dunedin - St Kilda Beach wind stats

Compare Dunedin - St Kilda Beach with another surf break

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