January+
Sustained winter. 2.5–4 m swells, water at 12°C. The Saint-Jean bay stays calm (breakwaters), but Lafitenia, Erromardie and Mayarco absorb the full power. Technical sessions for seasoned intermediates, 5/4 mm.
February+
Steady winter conditions. Lafitenia delivers a few remarkable days between fronts. Water at 12°C, hard skies.
March+
Pivot. 1.5–2.5 m swells, water at 13°C. Beach-breaks regain their tempo, Lafitenia becomes more accessible to intermediates.
April+
Spring settles. 1.2–2 m swells, water at 14–15°C. Erromardie and Mayarco offer technical sessions. Morning offshore winds, light crowds.
May+
Pivot month. Clean 1–1.5 m swells, water at 16–17°C. Lafitenia at mid-tide offers peaceful sessions, ideal to discover the pointbreak. 3/2 mm.
June+
Excellent compromise. Consistent 0.8–1.4 m swells, water at 18–19°C, moderate crowds. Erromardie becomes the daily spot, Lafitenia awaits the best swells.
July+
Summer waves (0.7–1.2 m), water at 21°C. Town crowds peak but stay reasonable on technical spots. Dawn sessions recommended.
August+
Tourist peak. Small waves, water at 22°C. For intermediates, detours to Mundaka or Hendaye on rare swells.
September+
The crown jewel. Autumn swells (1.5–2.5 m), water at 20°C, thinning crowds. Lafitenia enters peak form, steady offshore winds.
October+
Premium conditions. Powerful 1.8–3 m swells, water at 17–18°C. Lafitenia delivers reference right-hand sessions, beach-breaks at peak. Golden Basque light.
November+
Mature autumn. 2–3 m swells, water at 15°C. Lafitenia in full season, intimate atmosphere, fishing port in autumn tempo.
December+
Storms return. 3–4.5 m swells, water at 13°C, conditions often beyond intermediate. A few technical windows at Lafitenia.