Middleton • Surf Spot Statistics

Best Surf Season (April - September)

Middleton's geography is its identity: a beach that faces due south into the full, unimpeded fetch of the Great Australian Bight and the Southern Ocean. That exposure only reaches its true potential when the storm tracks of the Roaring Forties align with a north-to-northwest wind blowing offshore. From April through September, the ocean makes that alignment on a near-daily basis. Average wave periods push from 11.9s in March to 12.3-12.4s and hold there for six months, while the ideal offshore wind frequency climbs from 38% in April to a 50% peak in June and July. The swell direction keeps a strong SSW core but gradually takes on more SW and WSW content as winter lows deepen across the Bight, delivering the long, powerful, well-shaped groundswell that Middleton is known for. Water temperatures fall to 13.7°C by August, so you trade comfort for quality - and it is a trade well worth making.

Fair Surf Season (March & October)

March and October are the hinge months of the year. March sees summer's grip loosening: the average period builds to 11.9s, the SSW window tightens to a maximum 64.2% share of the swell, and offshore winds begin to creep into the morning routine. October is its mirror image in autumn: winter's leftover swells are still roaring through at 1.4m (4.6ft) and 12.0s, split almost evenly between SSW (43.1%) and SW (42.4%), but the wind becomes more variable and the summer sea breeze starts to gatekeep the afternoons. On their best days these months can rival the winter peak; on their worst, you battle a mixed, crumbly surface.

Low Surf Season (November - February)

Summer at Middleton is a game of patience. The swell engine never switches off - the coast still averages a consistent 1.4m (4.6ft) of SSW and SW groundswell - but the period drops to a marginal 11.0-11.4s, and the inland heating of the Australian continent begins drawing in daily onshore winds. The summer wind rose is dominated by SSE (roughly 16-22%) and S (13-20%), both of which are direct onshore for a south-facing beach, leaving only 17-23% of the time with ideal offshore flow. There are still crystal-clear dawn patrols and the occasional frontal swell, but the balance of power has clearly shifted away from the quality surf of the colder months.