Surf Forecasts:
Praia de Asturias surf forecast from 10 Aug 2026:
- Best quality surf: Wednesday 12 Aug, 6AM (local time) - 4.5ft (1.4m), 12s period, SSE swell with glassy winds.
- Most powerful swell: Tuesday 11 Aug, 12PM (local time) - 5ft (1.6m), 13s period, SSE swell with 901 kJ wave energy.
- Next surfable swell (1★+): Wednesday 12 Aug, 6AM (local time) - 4.5ft (1.4m), 12s period with SSE swell.
Best Forecast Surf Conditions for Praia de Asturias this week:
The surf forecast for Praia de Asturias over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 12) at 6AM. The primary swell is predicted to be 1.4m and 12s period with a secondary swell of 0.1m and 7s. Another secondary swell of 0.8m and 4s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Praia de Asturias in the next 16 days are 1.6m 13s and forecast to arrive on Tuesday (Aug 11) at 12PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Monday (Aug 17) at 12AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Wed 12th Aug) | 4.5ft (1.4m) 12s |
| Best Surf | 6AM (Wed 12th Aug) | 4.5ft (1.4m) 12s |
| Most Powerful | 12PM (Tue 11th Aug) | 5ft (1.6m) 13s |
Table - best surf conditions forecast for Praia de Asturias over the next 16 days.
The Lowdown
Alright, this is Rusty, and I’m looking at the forecast for the next couple of weeks. It’s not going to be a wild ride, but there are a few windows where things line up.
Right now, we’re coming off a bit of a messy start. Monday the 10th is a write-off with cross and onshore winds and marginal conditions. Tuesday the 11th is no better—onshore breezes and poor surf. So we’ve got a gap of a couple of days with nothing to recommend.
The first real chance arrives on Wednesday morning, the 12th of August. It’s glassy at Praia de Asturias, with clean conditions and a 5ft swell from the SSE. The period is 12 seconds, so there’s some decent energy in the water (combined energy 572). This is a sheltered spot, so it needs a bit of a push, and this is about as good as it gets. It’s a beginner-friendly break, and with glassy conditions, it’s going to be clean and fun for a longboard or a soft top. The water is a touch warmer than normal at 71°, about 3° above average.
Thursday morning the 13th is also looking good—another glassy start with a 4ft SSE swell, 13-second period (457 energy). It’s smaller but still clean. Friday morning the 14th keeps the trend with a glassy 4ft S swell, and the wind is calm. Saturday morning the 15th is another glassy window with 4ft SSE swell. These mornings are the highlight of the first week.
From Sunday the 16th onward, the swell really drops off. The 17th and 18th are flat and poor. The 19th sees a bump in size to 5ft, but the wind is onshore and the period is short (9 seconds), so it’s a messy, choppy mess. That’s more for kite surfing than paddle surfing.
The second week has one standout that’s promising but less certain. Around Friday the 21st of August, we get a 4ft SSE swell with a 15-second period (1130 energy). That’s a long-period groundswell, and it’s going to be clean with cross-offshore winds. The combined energy is strong (1130). This is the best on offer in the whole forecast. The catch is that it’s more than a week out, so keep an eye on it. After that, the surf fades again into the end of the month.
So, if you’re looking for a paddle, aim for the glassy mornings on the 12th, 13th, 14th, and 15th. The real standout is the 21st, but don’t bet the farm on it yet.
Rusty.
Short Range ForecastModerate rain (total 12mm), heaviest on Mon afternoon. Warm (max 20°C on Wed afternoon, min 16°C on Mon afternoon). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 24°C on Thu morning, min 18°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSE 12 | S 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | S 12 | SSE 13 | SSE 15 | SSE 14 | S 13 | S 13 | SSE 14 | SSE 13 | SSE 12 | SSE 12 | S 11 | S 11 | SE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 569 | 787 | 690 | 799 | 888 | 540 | 557 | 557 | 299 | 418 | 711 | 588 | 427 | 414 | 547 | 418 | 308 | 237 | 89 | 86 | 62 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | on | on | on | on | glassy | on | glassy | glassy | cross-on | off | glassy | on | glassy | glassy | on | off | glassy | glassy | glassy |
High Tide | 2:21PM1.21m | 1:32AM0.99m | 2:46PM1.24m | 2:01AM1.11m | 3:08PM1.23m | 2:31AM1.21m | 3:29PM1.20m | 3:02AM1.27m | 3:50PM1.16m | 3:34AM1.29m | 4:11PM1.12m | 4:06AM1.26m | 4:33PM1.08m | ||||||||
Low Tide | 8:23PM0.38m | 8:15AM-0.02m | 8:54PM0.37m | 8:53AM-0.07m | 9:20PM0.37m | 9:28AM-0.07m | 9:43PM0.36m | 9:58AM-0.02m | 10:01PM0.35m | 10:25AM0.07m | 10:17PM0.33m | 10:47AM0.18m | 10:32PM0.32m | ||||||||
 | |  | | |  |  |  |  | | | | | | | | | | | | | |
 | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:31 | — | — | 6:31 | — | — | 6:30 | — | — |
 | — | 5:45 | — | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — | 5:46 | — | — | 5:46 | — | — | 5:47 | — |
mm | 2 | 3 | 3 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 17 | 17 | 18 | 18 | 18 | 19 | 20 | 20 | 24 | 20 | 19 | 20 | 21 | 20 | 21 | 23 | 22 | 22 | 21 | 21 |
Feels °C | 18 | 16 | 15 | 16 | 16 | 16 | 21 | 21 | 22 | 23 | 22 | 20 | 21 | 22 | 22 | 23 | 24 | 24 | 24 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | SSE 12 | S 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | S 12 | SSE 13 | SSE 15 | SSE 14 | S 13 | S 13 | SSE 14 | SSE 13 | SSE 12 | SSE 12 | SE 7 | S 11 | SE 7 |
| kJ | 569 | 787 | 690 | 799 | 888 | 540 | 557 | 557 | 299 | 418 | 711 | 588 | 427 | 414 | 547 | 418 | 308 | 237 | 56 | 86 | 62 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 7 | E 7 | E 7 | — | — | ESE 5 | E 6 | ESE 6 | ESE 5 | ESE 5 | ESE 5 | E 6 | ESE 5 | ESE 6 | E 6 | S 11 | SE 13 | S 10 |
| kJ | 5 | 1 | 5 | 1 | 1 | 1 | — | — | 27 | 16 | 10 | 6 | 5 | 4 | 3 | 5 | 10 | 6 | 89 | 7 | 55 |
Swell 3 Height (m) Direction Period (s) | — | — | E 12 | — | — | — | — | — | SSE 15 | E 6 | — | — | — | — | — | E 9 | — | SE 11 | SE 13 | — | SE 12 |
| kJ | — | — | 3 | — | — | — | — | — | 126 | 23 | — | — | — | — | — | 7 | — | 5 | 7 | — | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | E 4 | E 5 | E 5 | — | — | — | — | — | — | — | — | E 6 | — | ESE 8 | SW 3 |
| kJ | — | — | — | — | — | — | 15 | 22 | 54 | — | — | — | — | — | — | — | — | 31 | — | 50 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 57 | 61 | 61 | 9 | 9 | 9 | 0 | 3 | 0 | 0 | 8 | 0 | 0 | 3 | 0 | 0 | 3 | 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 de Asturias Surf forecast
The above surf forecast table for Praia de Asturias provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Praia de Asturias can be found by selecting the local surf guide option on the grey menu. Our Praia de Asturias 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 de Asturias) 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 de Asturias 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.
Praia de Asturias is 14 km (9 miles) from the city of Praia Grande. If you plan a holiday in São Paulo, look for hotels and other accommodation in Praia Grande. Praia Grande has rooms for a wide range of budgets as well as car hire and transport links.
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