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Elliot Bay ratings
Quality on a good day: 4.0
Consistency of Surf: 3.2
Difficulty Level: 3.0
Wind and Kite Surfing: 3.3
Crowds: 4.2

Overall: 3.4

See all 18 ratings

Based on 4 votes. Vote


Surf Report Feed

Elliot Bay Swell Statistics, May: Surf with Light or Offshore Winds

This image shows only the swells directed at Elliot Bay that coincided with light winds or offshore conditions through a typical May. It is based on 2200 predictions, one every 3 hours. The direction of the spokes show where quality surf generating swell comes from. Five colours represent increasing wave sizes. Very small swells of less than 0.5m (1.5 feet) high are shown in blue. Green and yellow show increasing swell sizes and red illustrates the largest swells, greater than >3m (>10ft). In either graph, the area of any colour is proportional to how often that size swell occurs.

The diagram indicates that the dominant swell direction, shown by the biggest spokes, was ENE, whereas the the most common wind blows from the WSW. 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 32% of the time, equivalent to 10 days. Open sea swells exceeding >3m (>10ft) are unlikely to happen in a normal May but 7% of the time you can expect swell in the range 1.3-2m (4-6.5ft) 7%, equivalent to (2 days). Taking into account the ratio of these swells that coincided with forecast offshore winds, and given the fact that Elliot Bay is exposed to open water swells, we calculate that clean surf can be found at Elliot Bay about 32% of the time and that surf is spoilt by onshore wind 37% of the time. This is means that we expect 21 days with waves in a typical May, of which 10 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.