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, the World Surf League’s Championship Tour returns to competition next week at the 

 in Brazil. And if any of the world’s best competitors arrived in-country a little ahead of schedule to acclimatize, they’ll benefit from a solid south warm-up swell that fills in the week before the contest.

A storm off the Argentine coast intensified over the early part of the week, developing winds of 45-50kts and building seas over 35ft, according to satellite measurements. The storm is now moving off to the east in the South Atlantic with high pressure setting up off the southeast coast of South America. Swell from the storm is en route to the region and high pressure, which is reinforced for the weekend, should help provide favorable conditions for many locations over the remainder of the week.

A powerful fetch of winds in the storm was well aimed at the coast of Brazil and we’ll see resulting southerly swell rise into the second half of the week before trending more SE in direction and gradually easing through the weekend. Many of the better exposed breaks see well overhead to double overhead+ surf fill in, with standout and deepwater breaks pushing even larger. On the front end of the swell, many areas are likely to be overpowered – especially at the south-facing breaks exposed to the most energy. Sheltered and deepwater breaks that can handle the energy might be the best call to harness the swell’s full power on Thursday and into Friday morning.

With the high pressure mentioned above set up offshore and to the south of the region, conditions are looking best in the mornings and at the more south-facing breaks. And in case you aren’t aware, Surfline has it’s own local, expert human forecaster in Brazil, Luiz Guilherme Aguiar. Luiz produces forecasts for Rio de Janeiro and Sao Paulo five times a week (in Portuguese and English) to help you score the best surf. In addition, we have a number of other products to help too, like spot forecasts and high-res wind model forecasts. Check out all of the Regional Forecast products to get all the info you need to know-before-you-go.

Brazil Forecast Tools

Rio de Janeiro Human Forecast for Litoral Leste and Litoral Sul

Sao Paulo Human Forecast

High-Res Wind Model Rio de Janeiro

Additional High-Res Wind Models

Advanced Charts

This swell fades down into next week but there are signs pointing to the potential of more pre-event southerly swell setting up for next week. Be sure to stay tuned for the full Oi Rio Pro outlook as our team takes a peek at the upcoming forecast for the contest and dissects the mechanics of the breaks at the newer event site of Saquarema.