Abrolhos Islands • Surf Spot Statistics

Best Surf Season (May - September)

The Abrolhos Islands may lie in the Indian Ocean off Western Australia, but their surf lifeblood is the Southern Ocean. From May through September the subtropical ridge shifts north, allowing a steady train of mid-latitude lows and frontal systems to push through the Great Australian Bight and into the southeastern Indian Ocean. The result is a clear peak in both size and period: average swell heights climb from 2.3m (7.5ft) in May to 2.7m (9ft) between June and September, while average periods hold at 13.4-13.8s. That is proper, long-period groundswell. Offshore wind windows also become more frequent, climbing to 10-12% of the time - still not high, but noticeably better than summer. Days with clean, lined-up reef surf are still rare, but this is undoubtedly the season to target.

Fair Surf Season (April and October)

April and October are transition months. The swell is still solid - 2.2m (7ft) in April and 2.5m (8ft) in October - and periods remain well inside the powerful 13s range. Ideal offshore wind occurs 8% of the time in April and 7% in October, giving more workable sessions than summer. These months offer the best trade-off between size and occasional clean conditions, especially before the onshore sea breeze kicks in.

Low Surf Season (November - March)

The summer half of the year is a grind at Abrolhos. Although average swell heights remain around 2.2-2.3m (7-7.5ft), the period drops to 11.1-12.4s and the dominant wind regime becomes a relentless SSE to S flow, often blowing 30-50kph. Ideal offshore wind plummets to just 3-5% of the time. The result is onshore, chopped-out surf on the southeast-facing reefs. December and January offer the lowest odds of quality; only the rare early-morning offshore window saves it.