Surf Forecasts:
Praia do Aventureiro surf forecast from 10 Sep 2026:
- Best quality surf: Monday 14 Sep, 9PM (local time) - 8ft (2.5m), 8s period, ESE swell with glassy winds.
- Most powerful swell: Wednesday 16 Sep, 9PM (local time) - 7ft (2.1m), 10s period, S swell with 882 kJ wave energy.
- Next surfable swell (1★+): Thursday 10 Sep, 12AM (local time) - 2.5ft (0.8m), 13s period with S swell.
Best Forecast Surf Conditions for Praia do Aventureiro this week:
The surf forecast for Praia do Aventureiro over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 10) at 12AM. The primary swell is predicted to be 0.8m and 13s period with a secondary swell of 1.0m and 7s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Praia do Aventureiro in the next 16 days are 2.1m 10s and forecast to arrive on Wednesday (Sep 16) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Saturday (Sep 12) at 12PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Thu 10th Sep) | 2.5ft (0.8m) 13s |
| Best Surf | 9PM (Mon 14th Sep) | 8ft (2.5m) 8s |
| Most Powerful | 9PM (Wed 16th Sep) | 7ft (2.1m) 10s |
Table - best surf conditions forecast for Praia do Aventureiro over the next 16 days.
The Lowdown
Right then, let’s have a look at what’s cookin’ for Praia do Aventureiro over the next couple of weeks.
We’ve got a bit of a slow start, but things eventually start to look up. The water’s a touch warmer than normal for this time of year at 73°, which is a nice little bonus.
The first real chance to get wet comes on Wednesday afternoon, the 9th. It’s not gonna be anything special – just a small 3ft swell from the ESE with a short 7-second period. The combined energy is weak at 229, and the conditions are flat. It’s surfable but nothing to write home about.
Thursday the 10th morning looks a bit better. We get a 3ft southerly swell with a longer 12-second period, giving it a bit more shape and power (moderate energy at 361). The wind’s light and offshore out of the West, keeping it clean. Friday the 11th morning is the pick of the early window – a 4ft swell out of the South with a decent 14-second period, energy climbing to 531, and glassy conditions with the wind out of the WNW. That’s a proper little window of clean surf.
After that, things get messy. From Friday afternoon right through to Monday the 21st, it’s mostly poor conditions with onshore or cross-onshore winds, and the swell is either weak or blown out. There’s a nasty spike of swell on Sunday the 13th – 6ft to 6ft – but it’s with strong onshore winds, so expect a washing machine. Not worth paddling out. There are a few cleaner moments on the 15th and 16th with cross-offshore winds and clean waves in the 4ft to 5ft range, but the quality just isn’t there to get excited about.
The standout session is Thursday morning, the 24th of September. That’s a solid 8ft groundswell from the ESE with an 8-second period – big enough to pack a punch and only for experienced surfers. Combined energy hits a strong 1397, and the wind is glassy, offshore from the South. This is the one to circle on your calendar. It’ll be clean, powerful, and just a classic moment if you’ve got the skills. The afternoon stays clean but the swell drops off to 7ft and the wind comes a little cross-onshore, so make the most of the morning.
Overall, you’ve got a few nice windows mid-month, but that last Thursday is the real deal. Be patient.
- Rusty
Short Range ForecastHeavy rain (total 37mm), heaviest during Thu night. Warm (max 27°C on Fri night, min 20°C on Wed afternoon). Winds increasing (calm on Wed night, near gales from the SW by Fri night). | Days 5-7 Weather SummaryHeavy rain (total 84mm), heaviest during Mon night. Warm (max 20°C on Sat afternoon, min 18°C on Sun afternoon). Winds decreasing (fresh winds from the E on Sun night, calm by Mon afternoon). | |||||||||||||||||||
Wed 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Wave Height (m) Direction Period (s) | ESE 7 | S 13 | S 12 | S 12 | S 16 | S 14 | S 13 | S 12 | S 12 | S 11 | SSW 9 | S 10 | SSE 10 | SSE 9 | SSE 9 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | S 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 117 | 209 | 285 | 362 | 696 | 458 | 336 | 184 | 93 | 57 | 528 | 637 | 696 | 499 | 336 | 232 | 430 | 307 | 232 | 205 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | off | cross-on | cross-on | glassy | on | cross | cross-on | cross-off | cross-off | on | on | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off |
High Tide | 1:35AM1.11m | 2:34PM1.12m | 2:04AM1.19m | 2:47PM1.11m | 2:35AM1.23m | 3:05PM1.09m | 3:08AM1.22m | 3:27PM1.07m | 3:41AM1.18m | 3:50PM1.04m | 4:14AM1.10m | 4:14PM0.99m | ||||||||
Low Tide | 8:20PM0.30m | 8:32AM-0.08m | 8:50PM0.25m | 9:07AM-0.05m | 9:18PM0.22m | 9:40AM0.02m | 9:45PM0.20m | 10:10AM0.12m | 10:10PM0.19m | 10:38AM0.23m | 10:33PM0.20m | 11:03AM0.35m | 10:56PM0.24m | |||||||
 |  |  | |  |  | |  | | |  | | | | |  | |  |  | | |
 | — | — | 5:58 | — | — | 5:58 | — | — | 5:56 | — | — | 5:56 | — | — | 5:54 | — | — | 5:54 | — | — |
 | 5:49 | — | — | 5:49 | — | — | 5:49 | — | — | 5:50 | — | — | 5:50 | — | — | 5:50 | — | — | 5:51 | — |
mm | 6 | — | 1 | 3 | 23 | — | — | 2 | 2 | 2 | 5 | 2 | 7 | 11 | 5 | 15 | 36 | 1 | — | 2 |
Temp °C | 20 | 22 | 22 | 22 | 22 | 24 | 26 | 27 | 23 | 20 | 19 | 19 | 18 | 18 | 19 | 18 | 19 | 20 | 20 | 19 |
Feels °C | 22 | 25 | 24 | 25 | 25 | 27 | 29 | 30 | 25 | 17 | 17 | 19 | 15 | 14 | 18 | 18 | 20 | 20 | 20 | 18 |
Swell 1 Height (m) Direction Period (s) | ESE 7 | E 7 | S 12 | S 12 | S 16 | S 14 | S 13 | S 12 | S 12 | S 11 | SSW 9 | S 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
| kJ | 117 | 112 | 285 | 362 | 696 | 458 | 336 | 184 | 93 | 57 | 528 | 637 | 696 | 499 | 336 | 177 | 430 | 307 | 232 | 116 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 13 | ESE 7 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 8 | — | — | S 12 | SE 8 | S 10 | S 10 | S 12 | S 11 |
| kJ | 96 | 209 | 69 | 75 | 58 | 58 | 58 | 58 | 45 | 32 | 22 | 14 | — | — | 46 | 107 | 175 | 123 | 175 | 205 |
Swell 3 Height (m) Direction Period (s) | SSW 9 | S 10 | SE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 11 | SE 11 | — | — | — | — | S 11 | SSE 13 | SE 9 | — | SE 10 |
| kJ | 16 | 50 | 7 | 7 | 6 | 7 | 6 | 6 | 5 | 5 | 5 | — | — | — | — | 92 | 55 | 79 | — | 14 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NNE 3 | — | — | SW 4 | SSW 5 | — | — | ESE 9 | E 6 | E 7 | ESE 7 | — | — | SW 4 | SW 5 |
| kJ | — | — | — | — | — | 8 | — | — | 12 | 83 | — | — | 16 | 196 | 181 | 232 | — | — | 11 | 24 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 20 | 20 | 0 | 20 | 52 | 20 | 610 | 0 | 40 | 151 | 150 | 20 | 20 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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Information about the Praia do Aventureiro Surf forecast
The above surf forecast table for Praia do Aventureiro provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Praia do Aventureiro can be found by selecting the local surf guide option on the grey menu. Our Praia do Aventureiro surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Praia do Aventureiro) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Praia do Aventureiro may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
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