January+
Brutal Atlantic winter. Swells from 2.5 to 4 m, water at 12°C, back-to-back storms. A few windows between fronts but the margin is narrow. For seasoned intermediates only, 5/4 mm hooded wetsuit required.
February+
Still firmly winter. Long-period swells averaging 3 m, water at 12°C. Offshore winds offer occasional clean windows but the physical commitment runs high. Better to wait for spring.
March+
Seasonal pivot. Moderate 1.5–2.5 m swells, water at 13°C, lengthening days. First comfortable sessions appear, though a 4/3 wetsuit is still mandatory. Almost no crowds.
April+
Spring settles in. 1.2–2 m swells, water at 14–15°C, more sun. The ideal window to ease back into surfing after winter — especially morning and dusk when offshore winds prevail.
May+
Pivot month. Water climbs to 16–17°C, clean 1–1.5 m swells, near-empty beaches on weekdays. A 3/2 wetsuit is enough. Highly accessible, lightly crowded, quality on offer.
June+
An excellent compromise. Consistent 0.8–1.4 m swells, water at 18–19°C, moderate crowds before peak season. Dawn sessions recommended before thermal afternoon winds kick in.
July+
Smallest waves of the year (0.6–1.2 m), water at 21°C, crowded beaches. Ideal for refining manoeuvres on smaller surf, but intermediates chasing power will be frustrated.
August+
Tourist peak. 0.8–1.3 m waves, water at 23°C, maximum crowds. Favour dawn sessions or quieter sandbars between Capbreton and Vieux-Boucau.
September+
The crown jewel. Autumn swells return (1.5–2.5 m), water still at 20°C, crowds thin out from early September. Reliable morning offshore winds. The window every intermediate waits for.
October+
Arguably the year's best month. Powerful 1.8–3 m swells, water at 17–18°C, near-empty beaches, luminous skies. Dream conditions — bring a 4/3 mm wetsuit.
November+
Autumn in full swing. 2–3.5 m swells, water at 15°C, grey skies but epic sessions. Well-equipped intermediates still pull excellent days before winter sets in.
December+
Storms return. Massive 3–5 m swells, water at 13°C. Save for rare lulls and brief windows, the lineup becomes expert territory. Intermediates should wait for spring.