Surfing Grumari: The Complete Guide

Grumari is a sandy-bottom beach break located in Rio de Janeiro, RJ, Brazil, offering both lefts and rights along South America's vast coastline. Grumari is Rio de Janeiro's most pristine surf beach, an environmental reserve where big wave legend Carlos Burle has called his favorite local spot. Rated as intermediate difficulty with moderately crowded conditions, this beach break is a worthy destination for surfers looking beyond the usual suspects.

Best Conditions

Swell Direction: The ideal swell direction is S (180°), with workable conditions from SE to SW (135°–225°). Swells outside this window will either miss the break or produce disorganized waves.

Swell Size: Grumari needs a minimum of 0.9m / 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 10 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 NW (315°). The full offshore range spans W to NE (270°–45°). 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 all tides.

When to Go

Primary Season: The prime window at Grumari runs March, April, May, June, July, August, September, October (Mar–Oct). This is when swell consistency and direction align most reliably with the break.

Season Notes: Best in autumn/winter

Water Temperature: Expect water temperatures around 22°C / 72°F. A shorty or spring suit is recommended for longer sessions.

Getting There

The nearest airport is GIG, roughly 55 minutes by car.

Access: Environmental reserve - limited parking

Hazards & Tips

Known Hazards:

🌀 Strong rips — Dangerous currents

Strong currents on bigger days

Safety Tips:

Study the currents before paddling out. Know your exit strategy

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

Check the Live Forecast

Planning a session at Grumari? 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 Grumari is firing.

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