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Jacks Hole Notations
Qualité quand ça marche: 2.0
Consistance des Vagues: 1.8
Niveau de Difficulté: 2.8
Planche à voile et Kite Surf: 1.0
Foule a l'Eau: 1.8

Général: 1.8

Voir toutes les 18 notations

Basé sur 5 votes. Voter


Surf Report Feed

Jacks Hole Surf Stats

All swells

(any wind direction)
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Good Surf

(light / offshore wind)

This chart describes the range of swells directed at Jacks Hole through a typical April. It is based on 3360 NWW3 model predictions since 2007 (values every 3 hours). The wave model does not forecast wind and surf right at the shore so we have chosen the best grid node based on what we know about Jacks Hole. In this particular case the best grid node is 9 km away (6 miles). The rose diagram illustrates the distribution of swell sizes and swell direction, while the graph at the bottom shows the same thing without direction information. Five colours represent increasing wave sizes. Very small swells of less than 0.5m (1.5 feet) high are shown in blue. These happened 72% of the time. Green and yellow show increasing swell sizes and red represents the highest swells, greater than >3m (>10ft). In each graph, the area of any colour is proportional to how often that size swell occurs. The diagram indicates that the prevailing swell direction, shown by the longest spokes, was S, whereas the the dominant wind blows from the WSW. Because the wave model grid is away from the coast, sometimes a strong offshore wind blows largest waves away from Jacks Hole 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 graph. Because wind determines whether or not waves are clean enough to surf at Jacks Hole, you can load a different image that shows only the swells that were forecast to coincide with glassy or offshore wind conditions. Over an average April, swells large enough to cause surfable waves at Jacks Hole run for about 8% of the time.

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Also see Jacks Hole wind stats

Compare Jacks Hole 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.