kitesurfing in atins: the wind month by month
Atins sits between the sea and the dunes of the Lençóis Maranhenses, at the mouth of the Preguiças River. The wind season runs from June to January, with the strongest winds from August to November.
2°34′05″S · 42°44′54″W
month by month
In September and October, the wind reaches 12 knots or more on more than 9 out of 10 days.
% of days with 12 knots or moreseason: June to Januarystrongest winds: August to NovemberMay also has good days to learn
Average from 10am to 5pm, 2016 to 2025. Source: ERA5 reanalysis (Open-Meteo), at sea near Atins.
On the beach, lessons take place over the sandbanks in shallow water, and the school aims for the best tide. When the lagoons are full, you can also take lessons at a lagoon, with car support at extra cost.
The Lençóis lagoons are full from June to September and start to drop in October.
| Month | Average wind | Days with 12+ kn | Lagoons |
|---|---|---|---|
| Jan | 11.8 kn | 54% | filling |
| Feb | 11.2 kn | 42% | filling |
| Mar | 9.9 kn | 24% | filling |
| Apr | 9.8 kn | 28% | filling |
| May | 11.0 kn | 40% | filling |
| Jun | 11.8 kn | 49% | full |
| Jul | 12.1 kn | 54% | full |
| Aug | 13.7 kn | 81% | full |
| Sep | 15.3 kn | 97% | full |
| Oct | 15.6 kn | 93% | dropping |
| Nov | 14.8 kn | 90% | dry |
| Dec | 13.8 kn | 84% | dry |
Sources: ERA5 reanalysis (Open-Meteo), 2016–2025, average wind 10am–5pm at sea near Atins; lagoons: 2025–26 guides. On the beach, the wind is usually stronger than the model shows.
the best time for you
June to January, with the strongest winds from August to November, peaking in September and October.
You can also learn in May, June, December and January, with lighter wind than at the peak.
August and September: the Lençóis lagoons are still full.
Getting here
- São Luís → Barreirinhasabout 4 hours by van or car
- Barreirinhas → Atinsby speedboat on the Preguiças River (about 1 hour direct) or by 4x4
- In Atinsthe school is inside Bar.Co, right on the beach