Surf forecastStatisticsHistorical report

Sao Pedro de Moel seasonal overview

Best Surf Season (October - March)

The heart of winter unleashes its full fury upon Sao Pedro de Moel, with the North Atlantic pumping out consistent, powerful swells from the NW to WNW quadrants. Average heights hover around 2m to 2.4m, with long periods often exceeding 12 seconds, delivering heavy, grinding peaks. Offshore wind frequencies peak during this period, especially in December (37%) and January (36%), as high pressure systems settle over Iberia, funneling clean east to southerly breezes. This is prime time for experienced surfers to charge the sandbars.

Fair Surf Season (April & September)

Transition months bring a mix of leftover winter energy and early autumn pulses. April sees average swell heights drop to 1.8m with periods around 11s, while September picks up again to 1.5m and 10.5s. Ideal wind frequencies drop to 20% and 17% respectively, as the Azores High begins to influence the region, creating more variable winds. While not as consistent, these months offer cleaner conditions on the right synoptic setup, often with smaller but rippable waves.

Low Surf Season (May to August)

Summer is a quiet period for this exposed W-NW facing beach. Swell heights shrink to a meager 1.3-1.5m, with periods dropping below 10 seconds. The dominant wind shifts to a persistent NW to N regime, which blows directly onshore at Sao Pedro, chopping up what little swell there is. Ideal offshore wind frequencies plummet to single digits (5-9%), making clean surfing sessions a rare luxury. This is the time for flat spells, groveling smaller boards, or seeking shelter elsewhere.

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Conditions at Sao Pedro de Moel in May

May: Summer's Onset

May sees the surf season taper significantly: average height drops to 1.5m and period to 10.0s. Swell from NW (35.2%) and NNW (21.7%) dominates, but much of the energy is in the 1-2m range, lacking the power of winter. Ideal wind is down to 15%, with persistent N (22.7%) and NNW (23.1%) winds blowing straight onshore. This creates mostly choppy, weak conditions — 'groveling' waves for the out-of-town surfer. The rare day with an E to SE wind can still offer small, clean peelers, but overall, expect a mellow, low-key vibe.

Average Spot conditions at Sao Pedro de Moel in May

Swell history for May

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

Wind history for May

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

Swell quality

Analyze the groundswell consistency at Sao Pedro de Moel during May. 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 Sao Pedro de Moel for your next trip in May.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Sao Pedro de Moel for May. 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 Sao Pedro de Moel.

Swell with good wind

Swell with good wind by size