Surf forecastSpot statisticsHistorical report

Playa Marbella seasonal overview

Playa Marbella in Costa Rica offers consistent ground swell year-round, with virtually no wind swell or flat days, making it a reliable surf destination. The best months for surfers are January, February, November, and December, when excellent wind conditions prevail (96% in January and December, 89% in February, and 66% in November). During these months, the swell size averages around 1.1m to 1.4m, with clean offshore winds creating ideal surf. March sees good ground swell but a steep drop in favorable wind conditions (only 39%), making it less consistent. From April through October, wind conditions deteriorate significantly, with onshore winds dominating (up to 96% bad winds in July), though ground swell remains steady at 1.3m to 1.5m. Summer months (June-August) are particularly challenging due to strong onshore winds, despite consistent swell. For surfers prioritizing clean conditions, the winter months (December-February) and late autumn (November) are optimal, offering a perfect balance of swell consistency and favorable winds.

Loading chart...

Conditions at Playa Marbella in September

In September, Playa Marbella offers consistent surf conditions with an average swell height of 1.5m and a strong average period of 15.1s, indicating well-spaced, powerful waves. The swell is primarily from the SSW and SW directions, with 35.71% of waves in the 1-1.5m range and 35.29% in the 1.5-2m range when coming from SSW—ideal for intermediate to advanced surfers. Wind conditions are less favorable, with only 17% of the time providing ideal offshore or light cross-shore winds (typically S to SW directions). The dominant onshore winds (SSE-SW) at 10-20kph can create choppy conditions, but the strong swell energy helps maintain rideable waves. Expect mostly head-high surf with occasional overhead sets, though wind quality is inconsistent. Early mornings may offer cleaner conditions before winds pick up. Overall, September is a decent month for surfing here, especially when winds cooperate.

Average Spot conditions at Playa Marbella in September

Swell history for September

0 - 0.5
0.5 - 1
1 - 1.5
1.5 - 2.0
2.0 - 2.5
> 2.5 m

Wind history for September

0 - 10
10 - 20
20 - 30
30 - 40
40 - 50
> 50 km/h

Swell quality

Analyze the groundswell consistency at Playa Marbella during September. Based on historical data, there is a % probability of groundswell occurring this month. The chart below provides a detailed breakdown of the average wave height distribution, offering deep insights into the swell quality and surf potential you can expect at Playa Marbella for your next trip in September.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Playa Marbella for September. Our analysis shows that favorable offshore or side-shore winds coincide with surfable swell approximately % of the time. The accompanying graph illustrates the average size distribution of waves during these optimal wind windows at Playa Marbella.

Swell with good wind

Swell with good wind by size