Surf forecastSpot statisticsHistorical report

Enniscrone seasonal overview

Best Surf Season (October - March)

As the North Atlantic gears up for its most active period, Enniscrone comes alive with consistent, powerful swell from the NW to N quadrants. Average wave heights climb above 2m, routinely reaching the 2.5m+ range in December and January, while periods stretch into the 12-second range – delivering long-period, punchy to heavy waves that peel along the beach. The wind regime is surprisingly favorable: despite the stormy reputation, a dominant southerly to southwesterly airflow (S, SSW, SW, WSW) blows offshore across the NNW-facing beach, grooming the lines. The negative phase of the NAO often locks in this pattern, steering low-pressure systems to the north and funnelling clean, offshores into the bay. Occasional gales from the NW can spoil sessions, but the frequency of clean, pumping swell is at its annual peak. This is the prime window for experienced surfers to chase XXL sets and long, hollow rides.

Fair Surf Season (April - June & September)

Transition months offer a mixed bag. April sees the first signs of the winter swell machine winding down – average heights drop to 1.7m and periods to 10.7s – but a higher percentage of lighter offshore winds (S to SW) makes for more user-friendly conditions. May and June bring smaller, fun-sized waves (1.2-1.4m) with shorter periods (8.9-9.6s), ideal for longboards and groveling. The wind remains predominantly offshore with a higher frequency of light breezes, making these months the most reliable for clean, albeit smaller, surf. September marks the autumn ramp-up: average swell height jumps back to 1.7m and period to 10.2s, with NW swell beginning to dominate. While still lighter than winter, the building energy combined with still-pleasant winds offers a sweet spot for intermediate surfers.

Low Surf Season (July - August)

The heart of summer is the slowest period for Enniscrone. Average swell heights bottom out at 1.2m and periods hover around 8.6-8.9s, resulting in mostly small, weak, and choppy conditions. The dominant swell direction is still from the W and WNW, but the lack of strong low-pressure systems means the energy is minimal. Onshore winds from the NW and N become more frequent, further degrading wave quality. While the occasional tropical storm or passing front can fire up a pulse of rideable swell, most days offer only ankle-to-knee high slop. This is the time to stick with a foamie or explore other activities – the big winter swells are but a memory.

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Conditions at Enniscrone in September

September: Autumn Awakening

September marks a definitive shift towards more consistent surf. The average swell height jumps to 1.7m and period to 10.2s, lifting the quality into the fun to solid range. The swell direction is heavily weighted to WNW (24.6%), W (17.6%), NW (13.9%), and NNW (12.0%) – all favorable angles. The increased frequency of extratropical lows in the North Atlantic brings more energy, and the wave heights frequently reach the 1.5-2.5m category. Wind remains a bright spot: offshore directions (S, SSW, SW, WSW) make up over 37% of the total, and lighter winds (0-20kph) are common, pushing the ideal wind frequency to 26%. This combination of building swell and favourable winds creates some of the most enjoyable surf of the year. Expect long rides, occasional barrels, and manageable crowds. September is a golden month for all levels – from beginners to advanced – to get quality sessions.

Average Spot conditions at Enniscrone 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 Enniscrone 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 Enniscrone for your next trip in September.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Enniscrone 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 Enniscrone.

Swell with good wind

Swell with good wind by size