Surf forecastStatisticsHistorical report

Moledo do Minho seasonal overview

Best Surf Season (October - March)

The North Atlantic roars to life during these months, with a climatological uptick in extratropical storms that send consistent, powerful swell toward Portugal. Average wave heights hover between 2.4m and 2.7m, with periods often exceeding 12 seconds – prime conditions for Moledo's west-facing setup. The dominant swell direction is from the NW and WNW, wrapping nicely into the beach. Crucially, the percentage of ideal offshore winds (from the west quadrant) peaks at 49-56%, meaning more sessions with clean, groomed faces. A negative NAO phase often correlates with this active storm track, delivering pumping surf that attracts local and traveling surfers alike.

Fair Surf Season (April & September)

These transitional months mark a noticeable shift. In April, average swell drops to 2.1m with a period of 11s, while September sees 1.6m and 10.5s. The swell mix includes more background NW windswell, but long-period groundswell still sneaks in from distant lows. Wind becomes slightly less reliable – ideal only 38% of the time in April and 41% in September – with a higher tendency for morning offshores followed by afternoon seabreezes. It's a shoulder season that rewards those who watch the charts and pick their days wisely.

Low Surf Season (May - August)

Summer settles in with a dramatic drop in average swell height (1.4-1.7m) and period (8.7-9.9s). The predominant swell is short-period NW windswell generated by persistent northerly winds. Ideal offshore winds become scarce, occurring only 24-32% of the time, as thermal gradients drive strong northwesterly onshores. Conditions are often bumpy and weak, but early mornings can deliver brief windows of clean, fun-size waves for a longboard or fish. This is the time to explore cobblestone points or plan a trip to the Southern Hemisphere.

Loading chart...

Conditions at Moledo do Minho in September

September: The Comeback Begins

A clear uptick as summer transitions: average swell height rises to 1.6m and period to 10.5s. NW swell (34.1%) still leads, but the mix starts to include more W (6.2%) and WNW (22.8%) groundswell. Ideal wind jumps to 41%, with lighter winds and more frequent easterly flows as the Azores High drifts. Early autumn storms can send long-period pulses that make the most of the sandbars. September is a sneaky good month for those willing to monitor the forecasts.

Average Spot conditions at Moledo do Minho 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 Moledo do Minho 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 Moledo do Minho for your next trip in September.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Moledo do Minho 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 Moledo do Minho.

Swell with good wind

Swell with good wind by size