Surf Forecasts:
Praia de Asturias surf forecast from 13 Aug 2026:
- Best quality surf: Thursday 13 Aug, 6PM (local time) - 4.5ft (1.3m), 15s period, SSE swell with glassy winds.
- Most powerful swell: Saturday 15 Aug, 9AM (local time) - 6.5ft (2.0m), 13s period, SSE swell with 1,359 kJ wave energy.
- Next surfable swell (1★+): Thursday 13 Aug, 6PM (local time) - 4.5ft (1.3m), 15s 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 Thursday (Aug 13) at 6PM. The primary swell is predicted to be 1.3m and 15s period with a secondary swell of 0.3m and 5s. 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 2.0m 13s and forecast to arrive on Saturday (Aug 15) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Wednesday (Aug 19) at 12AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Thu 13th Aug) | 4.5ft (1.3m) 15s |
| Best Surf | 6PM (Thu 13th Aug) | 4.5ft (1.3m) 15s |
| Most Powerful | 9AM (Sat 15th Aug) | 6.5ft (2.0m) 13s |
Table - best surf conditions forecast for Praia de Asturias over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what's on the cards for Asturias.
The truth is, for the next week or so, it’s a bit of a mixed bag. The swell energy is hanging around, but the wind and conditions are going to keep things frustrating. We’ve got a promising run right at the very end of this forecast window, though, so don't write the whole period off.
Today, Thursday the 13th of August, is actually the best we're going to see for a while. The morning is looking magic at Praia de Asturias. We’ve got a 4ft swell rolling in from the SSE with a 13-second period, and the water is a touch warmer than average for the time of year, sitting at 71°. The wind is glassy, dead calm out of the southeast, so it's going to be clean. It's not a huge swell, but that glassy surface makes up for it. The combined swell energy is moderate (516). The afternoon gets a little cross-on and the swell jumps a touch, making it a bit more marginal.
Friday the 14th still has some hope in the morning. The SSE swell drops a fraction to 4ft, but the period stays at 13 seconds. The wind goes cross-offshore, keeping those waves clean. The energy is still moderate (442). It's surfable, but not a standout.
From Saturday the 15th right through to Monday the 24th of August, things go pretty flat or messy. We get a morning of clean 5ft swell on the 16th, but the period drops to a weak 8 seconds, and the wind is straight onshore by the afternoon. There’s a few mornings with clean, small waves, but the energy drops way off. It’s a long, frustrating stretch, to be honest.
Hold onto your board, because Tuesday the 25th of August morning is where the real action is. The wind goes glassy again, and a nice 6ft SSE groundswell rolls in with a solid 13-second period. The energy is strong (1011). This is the one we’ve been waiting for. It’s not huge, but it's clean and has some punch. The afternoon will get lumpy with a cross-on wind, so get out early.
The standout of the whole outlook is Thursday the 27th of August. That morning is looking absolutely stunning. We’ve got 6ft of SSE swell, but the period stretches out to 15 seconds, a very long groundswell. Combined with glassy, calm winds, you are looking at some of the best conditions you'll see. The energy is very strong, hitting 1309. Because it’s a very long period swell, it might break a little straight on the beach, but with those conditions, it’s going to be a dream. This is the one to circle on your calendar.
Right, that's your lot. Keep an eye on that last week of August, it's going to be worth it.
Rusty.
Short Range ForecastMostly dry. Warm (max 21°C on Thu morning, min 19°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 33°C on Tue morning, min 18°C on Tue night). Winds increasing (calm on Sun morning, fresh winds from the SW by Tue night). | ||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||
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 13 | SSE 15 | SSE 14 | SSE 13 | SSE 13 | SSE 14 | SSE 13 | SSE 12 | ESE 7 | ESE 8 | ESE 8 | E 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | S 5 | S 7 | ESE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 492 | 816 | 665 | 437 | 437 | 780 | 1359 | 318 | 215 | 450 | 270 | 682 | 207 | 161 | 116 | 121 | 82 | 59 | 24 | 57 | 120 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | off | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | on | cross-off | cross-on | cross-on | cross-on | cross | cross-on | cross-off | cross-off | cross-off | glassy |
High Tide | 3:29PM1.20m | 3:02AM1.27m | 3:50PM1.16m | 3:34AM1.29m | 4:11PM1.12m | 4:06AM1.26m | 4:33PM1.08m | 4:40AM1.19m | 4:55PM1.03m | 5:14AM1.09m | 5:18PM0.97m | 5:53AM0.97m | 5:43PM0.90m | ||||||||
Low Tide | 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 | 11:06AM0.31m | 10:51PM0.32m | 11:19AM0.43m | 11:14PM0.35m | 11:24AM0.55m | 11:44PM0.41m | |||||||
 |  |  | |  | | | |  | | | | | | | | | | | | | |
 | 6:33 | — | — | 6:31 | — | — | 6:31 | — | — | 6:30 | — | — | 6:30 | — | — | 6:28 | — | — | 6:28 | — | — |
 | — | 5:46 | — | — | 5:46 | — | — | 5:46 | — | — | 5:47 | — | — | 5:47 | — | — | 5:49 | — | — | 5:49 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 20 | 19 | 20 | 20 | 20 | 21 | 21 | 20 | 21 | 21 | 20 | 21 | 21 | 25 | 33 | 31 | 33 | 19 | 18 | 19 |
Feels °C | 22 | 21 | 20 | 22 | 21 | 22 | 19 | 19 | 20 | 21 | 22 | 23 | 22 | 23 | 25 | 32 | 29 | 32 | 18 | 17 | 21 |
Swell 1 Height (m) Direction Period (s) | SSE 13 | SSE 15 | SSE 14 | SSE 13 | SSE 13 | SSE 14 | SSE 13 | SSE 12 | ESE 7 | ESE 8 | S 11 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | S 5 | S 7 | SSE 7 |
| kJ | 492 | 816 | 665 | 437 | 437 | 780 | 862 | 318 | 157 | 187 | 61 | 217 | 207 | 161 | 116 | 121 | 82 | 59 | 23 | 57 | 73 |
Swell 2 Height (m) Direction Period (s) | ESE 5 | ESE 5 | ESE 5 | E 6 | E 8 | E 9 | — | — | SSE 12 | SSE 11 | E 14 | S 11 | SSE 10 | SSE 10 | SSE 10 | S 10 | S 9 | S 9 | ESE 8 | ESE 8 | ESE 8 |
| kJ | 9 | 10 | 5 | 6 | 1 | 6 | — | — | 186 | 95 | 4 | 59 | 36 | 35 | 20 | 8 | 7 | 2 | 24 | 20 | 11 |
Swell 3 Height (m) Direction Period (s) | E 5 | — | — | — | — | — | — | — | SE 12 | SE 13 | — | — | — | — | — | — | — | — | S 9 | S 14 | SE 13 |
| kJ | 15 | — | — | — | — | — | — | — | 5 | 7 | — | — | — | — | — | — | — | — | 2 | 4 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SSE 13 | ESE 6 | ESE 7 | ESE 8 | ESE 8 | E 8 | — | — | — | — | — | SW 4 | — | — | ESE 8 |
| kJ | — | — | — | — | — | — | 1359 | 172 | 215 | 450 | 270 | 682 | — | — | — | — | — | 13 | — | — | 120 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 19 | 0 | 0 | 178 | 3 | 3 | 57 | 3 | 0 | 3 | 0 | 3 | 66 | 3 | 1 | 3 | 20 | 17 | 101 | 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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