Surfing San Juan: The Complete Guide

San Juan is a reef break located in Lanzarote, Spain, offering a left-hander along the continent's diverse coastline. San Juan is a technical left-hand reef break near the famous La Santa zone. Rated as advanced difficulty with moderately crowded conditions, this reef break is a worthy destination for surfers looking beyond the usual suspects.

Best Conditions

Swell Direction: The ideal swell direction is NW (315°), with workable conditions from WNW to NNW (290°–340°). Swells outside this window will either miss the break or produce disorganized waves.

Swell Size: San Juan needs a minimum of 1m / 3ft to start working and handles swells up to 2.5m / 8ft before conditions deteriorate.

Swell Period: Look for a swell period of at least 11 seconds, with 14 seconds being the sweet spot. Longer periods deliver more organized, powerful waves with better shape.

Wind: True offshore here blows from the SE (135°). The full offshore range spans E to S (90°–180°). Glassy conditions under 4km/h from any direction also produce excellent surf. Plan for early morning dawn patrol sessions.

Tide: This spot works best at low to mid tide. Optimal tide range is 0.3m–1.5m.

When to Go

Primary Season: The prime window at San Juan runs October, November, December, January, February, March (Oct–Mar). This is when swell consistency and direction align most reliably with the break.

Season Notes: Consistent hollow left near La Santa.

Water Temperature: Expect water temperatures around 20°C / 68°F. A shorty or spring suit is recommended for longer sessions.

Getting There

The nearest airport is ACE, roughly 20 minutes by car.

Access: Near La Santa. Technical paddle-out.

Hazards & Tips

Known Hazards:

🪸 Sharp reef — Shallow reef, booties recommended
👥 Crowded — Gets very crowded

Shallow reef sections.

Safety Tips:

Wear reef booties to protect your feet from sharp coral and rock
Surf early mornings or off-peak days to avoid the worst of the crowds

Skill Level: This spot is rated advanced (7/10). Crowd Level: Typically moderately crowded (5/10).

Check the Live Forecast

Planning a session at San Juan? Check the live forecast on Strike Mission to see today's conditions and the 10-day outlook. Our Strike Score algorithm rates this spot from 0 to 100 every day, factoring in swell direction, size, period, wind, and tide — so you know exactly when to paddle out.

Don't leave your next surf trip to chance. Let the data tell you when San Juan is firing.

*Conditions data sourced from Strike Mission's verified spot database.*