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Half Moon Bay Voti
Qualità su una buona giornata: 2.0
Coerenza del surf: 2.0
Livello di difficoltà: 1.0
Folle: 4.0

Overall: 2.8

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Surf Report Feed

Half Moon Bay Surf Stats

All swells

(any wind direction)
Half moon bay.surf.statistics.aprilW.animatedW.label.animated

Good Surf

(light / offshore wind)

The rose diagram describes the variation of swells directed at Half Moon Bay through an average April and is based upon 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 optimum grid node based on what we know about Half Moon Bay. In the case of Half Moon Bay, the best grid node is 31 km away (19 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 illustrate increasing wave sizes. Blue shows the smallest swells, less that 0.5m (1.5 feet) high. These occurred only 3% of the time. Green and yellow show increasing swell sizes and red shows the highest swells, greater than >3m (>10ft). In each graph, the area of any colour is proportional to how commonly that size swell occurs. The diagram implies that the most common swell direction, shown by the biggest spokes, was W, 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 Half Moon Bay and out to sea. We group these with the no surf category of the bar chart. To keep it simple we don't show these in the rose plot. Because wind determines whether or not waves are good for surfing at Half Moon Bay, you can select a similar diagram that shows only the swells that were forecast to coincide with glassy or offshore wind conditions. In a typical April, swells large enough to cause clean enough to surf waves at Half Moon Bay run for about 97% of the time.

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  • Half moon bay.surf.statistics.marchW.animated
  • Half moon bay.surf.statistics.aprilW.animated
  • Half moon bay.surf.statistics.mayW.animated
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Also see Half Moon Bay wind stats

Compare Half Moon Bay with another surf break