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Cannon Beach ratings
Quality on a good day: 1.0
Consistency of Surf: 2.0
Difficulty Level: 4.0
Crowds: 5.0

Overall: 3.2

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Surf Report Feed

Cannon Beach Swell Statistics, October: Surf with Light or Offshore Winds

This image shows only the swells directed at Cannon Beach that coincided with light winds or offshore conditions through a typical October. It is based on 2480 predictions, one every 3 hours. The direction of the spokes show where quality surf generating swell comes from. Five colours illustrate increasing wave sizes. Blue shows the smallest swells, less that 0.5m (1.5 feet) high. Green and yellow illustrate increasing swell sizes and largest 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 prevailing swell direction, shown by the largest spokes, was SW, whereas the the most common wind blows from the ESE. The chart at the bottom shows the same thing but without direction information. For example, swells larger than 1.5 feet (0.5m) coincided with good wind conditions 46% of the time, equivalent to 14 days. Open water swells exceeding >3m (>10ft) only occur 3% of the time in a typical October, equivalent to just one day but 17% of the time we expect swell in the range 2-3m (6.5-10ft) 17%, equivalent to (5 days). Taking into account the fraction of these swells that coincided with expected offshore winds, and given the fact that Cannon Beach is exposed to open water swells, we estimate that clean surf can be found at Cannon Beach about 46% of the time and that surf is messed up by onshore wind 29% of the time. This is means that we expect 23 days with waves in a typical October, of which 14 days should be surfable.

IMPORTANT: Beta version feature! Swell heights are open water values from NWW3. There is no attempt to model near-shore effects. Coastal wave heights will generally be less, especially if the break does not have unobstructed exposure to the open ocean.