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Winchesteer Bay/Umpqua Jetty ratings
Quality on a good day: 1.0
Consistency of Surf: 3.0
Difficulty Level: 2.5
Wind and Kite Surfing: 2.0
Crowds: 3.5

Overall: 2.3

See all 18 ratings

Based on 2 votes. Vote


Surf Report Feed

Winchesteer Bay/Umpqua Jetty Swell Statistics, May: All Swell – Any Wind

This picture shows the combination of swells directed at Winchesteer Bay/Umpqua Jetty through an average May, based on 2696 NWW3 model predictions since 2007 (values every 3 hours). The wave model does not forecast surf and wind right at the shore so we have chosen the best grid node based on what we know about Winchesteer Bay/Umpqua Jetty, and at Winchesteer Bay/Umpqua Jetty the best grid node is 30 km away (19 miles).

The rose diagram illustrates the distribution of swell directions and swell sizes, 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 9% of the time. Green and yellow illustrate increasing swell sizes and red illustrates the biggest swells, greater than >3m (>10ft). In each graph, the area of any colour is proportional to how often that size swell was forecast.

The diagram indicates that the most common swell direction, shown by the biggest spokes, was W, whereas the the prevailing wind blows from the NW. Because the wave model grid is away from the coast, sometimes a strong offshore wind blows largest waves away from Winchesteer Bay/Umpqua Jetty and out to sea. We combine these with the no surf category of the bar chart. To avoid confusion we don't show these in the rose graph. Because wind determines whether or not waves are surfable at Winchesteer Bay/Umpqua Jetty, you can select a similar diagram that shows only the swells that were expected to coincide with glassy or offshore wind conditions. In a typical May, swells large enough to cause good for surfing waves at Winchesteer Bay/Umpqua Jetty run for about 91% of the time.

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.