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Joss Bay Notations
Qualité quand ça marche: 2.8
Consistance des Vagues: 1.8
Niveau de Difficulté: 4.0
Planche à voile et Kite Surf: 3.8
Foule a l'Eau: 4.0

Général: 4.0

Voir toutes les 18 notations

Basé sur 5 votes. Voter


Surf Report Feed

Joss Bay Surf Stats

All swells

(any wind direction)
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Good Surf

(light / offshore wind)

The graph illustrates the variation of swells directed at Joss Bay through an average April. It is based on 3352 NWW3 model predictions since 2007 (values every 3 hours). The wave model does not forecast surf and wind right at the coastline so we have chosen the optimum grid node based on what we know about Joss Bay. In this particular case the best grid node is 13 km away (8 miles). The rose diagram illustrates the distribution of swell sizes and directions, while the graph at the bottom shows the same thing but without direction information. Five colours illustrate increasing wave sizes. Blue shows the smallest swells, less that 0.5m (1.5 feet) high. These happened 63% of the time. Green and yellow illustrate increasing swell sizes and red represents the largest 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 dominant swell direction, shown by the largest spokes, was NNE, whereas the the most common wind blows from the ESE. Because the wave model grid is away from the coast, sometimes a strong offshore wind blows largest waves away from Joss Bay and out to sea. We combine these 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 Joss Bay, you can load a different image that shows only the swells that were expected to coincide with glassy or offshore wind conditions. In a typical April, swells large enough to cause good for surfing waves at Joss Bay run for about 8% of the time.

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Also see Joss Bay wind stats

Compare Joss Bay with another surf break

We hope you find the new 12-day forecasts and additional details useful.

Kudos to everyone who helped us debug this over the past 3 months.

Be sure to click on the Advanced Surf option to see extra details about the sea-state. Look out for crossing swells and short period local wind swells and chop that will often spoil a groundswell even if the wind is perfect. As yet there is no allowance for this in the swell rating. This is something we are working on.