Playa de San Lorenzo ratings
Quality on a good day: 2.3
Consistency of Surf: 3.7
Difficulty Level: 2.3
Wind and Kite Surfing: 3.0
Crowds: 2.0

See all 18 ratings

Based on 3 votes. Vote


Surf Report Feed

Playa de San Lorenzo Swell Statistics, Autumn: All Swell – Any Wind

This image illustrates the combination of swells directed at Playa de San Lorenzo through an average northern hemisphere autumn, based on 5837 NWW3 model predictions since 2006 (values every 3 hours). The wave model does not forecast wind or surf right at the coastline so we have chosen the optimum grid node based on what we know about Playa de San Lorenzo, and at Playa de San Lorenzo the best grid node is 53 km away (33 miles).

The rose diagram describes the distribution of swell sizes and directions, while the graph at the bottom shows the same thing but 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 occurred only 10% of the time. 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 frequently that size swell happens.

The diagram suggests that the most common swell direction, shown by the biggest spokes, was NW, whereas the the most common wind blows from the N. Because the wave model grid is away from the coast, sometimes a strong offshore wind blows largest waves away from Playa de San Lorenzo and out to sea. We combine these with the no surf category of the bar chart. To simplify things we don't show these in the rose diagram. Because wind determines whether or not waves are clean enough to surf at Playa de San Lorenzo, you can view an alternative image that shows only the swells that were forecast to coincide with glassy or offshore wind conditions. In a typical northern hemisphere autumn, swells large enough to cause surfable waves at Playa de San Lorenzo run for about 76% 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.

 

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