Surf forecastStatisticsHistorical report

Penascal seasonal overview

Best Surf Season (January - March)

During these months, the South Pacific winter swell is at its peak, delivering consistent, powerful groundswell from the SSW and SW. Average wave heights range from 1.4m to 1.6m with long periods of 13-13.5s, offering solid, rippable waves. The wind, however, is the limiting factor. Predominantly from the S and SSW, it creates onshore conditions that degrade wave quality. The statistical chance of an offshore breeze (from NNW, NW, or W) is slightly higher during this window, reaching up to 2% of the time. When a strong high-pressure system settles over the coast and aligns with a low-pressure trough generating swell, the combination can produce rare, glassy sessions with long, fast walls that make Penascal come alive.

Fair Surf Season (April - May)

Autumn sees the swell energy continue to build, with average heights peaking at 1.7-1.8m and periods holding at 13.6s. The swell direction becomes even more favorable, concentrated heavily from the SSW. However, the wind statistics show that ideal offshore wind occurrence drops to 0%. The onshore flow from the south intensifies, often blowing in the 10-20kph range, leading to bumpy, lumpy conditions for most of the day. The sheer power of the swell is undeniable, but the relentless onshore wind makes it a challenging period for clean surf. Dawn patrol offers the best chance for smoother conditions before the daily thermal gradient strengthens the southerly wind.

Low Surf Season (June - December)

From June through December, Penascal is in a perpetual low season for quality surf. While the South Pacific swell machine keeps pumping with average wave heights of 1.5-1.9m and periods of 12.8-13.2s, the wind remains stubbornly onshore from the S and SSW. Ideal offshore wind occurrences are 0% for every month except a negligible uptick in January-February. The combination of strong, consistent swell and persistent onshore wind means that surfers must be prepared for challenging, often choppy conditions. The rare exception occurs when a subtle land breeze from the east or northeast develops during stable high-pressure periods, but these windows are fleeting and unpredictable. Overall, the surf is consistent but rarely clean, making this a spot for the committed or the desperate.

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Conditions at Penascal in January

January: Glimmers of Offshore Gold

January marks the heart of the South Pacific swell season for Penascal. The average wave height sits at 1.4m with a long period of 13.0s, translating to powerful, well-structured lines. Swell from the SSW dominates (71.3%), followed by the SW (27.5%), both right in the sweet spot for this southwest-facing beach. The vast majority of waves fall in the 1-1.5m and 1.5-2m categories, offering fun to solid, rippable surf. The wind, however, is a persistent challenge. South-southwest winds blow a staggering 40.1% of the time, with south winds at 38.5%, most commonly in the 10-20kph range, creating onshore, bumpy conditions. The chance of an offshore flow from the NW or W is a mere 1-2%, but when a coastal trough sets up and spins in a clean northwest breeze, the swell transforms into glassy, long-running walls. These are the days to drop everything and go.

Average Spot conditions at Penascal in January

Swell history for January

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

Wind history for January

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

Swell quality

Analyze the groundswell consistency at Penascal during January. 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 Penascal for your next trip in January.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Penascal for January. 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 Penascal.

Swell with good wind

Swell with good wind by size