Surf forecastStatisticsHistorical report

Vila Nova de Milfontes seasonal overview

Best Surf Season (October - March)

The North Atlantic roars to life during these months, delivering a relentless supply of powerful, long-period swell to the west-facing shores of Vila Nova de Milfontes. Average swell heights consistently exceed 2.0m, with periods often in the 12-13s range, courtesy of deep extratropical storms tracking across the Atlantic. The wind also aligns more favorably, with ideal offshore conditions (from NO, ONO, O, OSO) occurring 40-52% of the time. This is prime time for solid, hollow waves at the local reefs and beach breaks. The NAO index tends to be more negative or neutral, steering storm tracks southward toward Portugal – a classic recipe for pumping surf.

Fair Surf Season (April & September)

Transition months offer a mix of leftover winter energy and building summer patterns. April sees average swell heights drop to 1.8m with periods of 11.2s, while September bumps up to 1.4m and 10.6s. Swell directions shift more toward NW and WNW, still producing rideable waves, but the consistency is lower. Wind becomes more variable: ideal wind percentages fall to 29% in April and 30% in September. These months are a gamble – you might score a clean waist-high session, or you could be battling onshore breezes from a lingering summer regime.

Low Surf Season (May - August)

Summer settles in with a dramatic drop in both swell size and reliability. Average heights hover around 1.3-1.5m, and periods shorten to 8.6-10.0s, resulting in weaker, mushier waves. The dominant swell direction shifts hard toward NW and even NNW, which are less favorable for this west-facing spot. Worse, the wind is ideal only 20-25% of the time, with persistent northwesterly winds (NNW, NW) that blow onshore and ruin the surface. Occasional small pulses from distant storms or local sea breezes can produce fun-sized, grovelly waves, but you'll be fighting crowds and soft conditions. This is the season to trade your step-up for a groveler or explore other hobbies.

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Conditions at Vila Nova de Milfontes in September

September: Signs of Life

September marks a noticeable uplift: average swell height rises to 1.4m with a period of 10.6s. Swell direction shifts back toward a more favorable mix – NW (55.4%) remains dominant, but WNW (21.3%) and W (5.2%) increase, bringing better alignment with the coast. Wave heights above 1.5m appear more often (13.6% from NW and 4.2% from WNW). Ideal wind improves to 30% of the time, with the first hints of north and northeast winds (N 14.4%, NNE 5.3%) returning to clean things up. Tropical storms and early-season extratropical lows can deliver fun, punchy waves. This is the transitional month where patience pays off – the quality climbs steadily as October approaches.

Average Spot conditions at Vila Nova de Milfontes 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 Vila Nova de Milfontes 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 Vila Nova de Milfontes for your next trip in September.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Vila Nova de Milfontes 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 Vila Nova de Milfontes.

Swell with good wind

Swell with good wind by size