Surf Forecasts:
Praia de Asturias surf forecast from 12 Sep 2026:
- Best quality surf: Friday 18 Sep, 9AM (local time) - 5ft (1.5m), 6s period, E swell with glassy winds.
- Most powerful swell: Thursday 17 Sep, 3PM (local time) - 4.5ft (1.4m), 12s period, SSE swell with 512 kJ wave energy.
- Next surfable swell (1★+): Monday 14 Sep, 3AM (local time) - 2.5ft (0.8m), 7s 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 Monday (Sep 14) at 3AM. The primary swell is predicted to be 0.8m and 7s period with a secondary swell of 0.2m and 8s. Another secondary swell of 0.9m and 5s 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 1.4m 12s and forecast to arrive on Thursday (Sep 17) at 3PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 6s period and expected on Tuesday (Sep 15) at 6PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Mon 14th Sep) | 2.5ft (0.8m) 7s |
| Best Surf | 9AM (Fri 18th Sep) | 5ft (1.5m) 6s |
| Most Powerful | 3PM (Thu 17th Sep) | 4.5ft (1.4m) 12s |
Table - best surf conditions forecast for Praia de Asturias over the next 16 days.
The Lowdown
Right then, let’s have a look at what’s on the cards for the next couple of weeks.
To be honest, the next week or so is a bit of a struggle. Praia de Asturias is a sheltered little beach and reef setup that's inconsistent at the best of times, and we’re in one of those quiet patches right now. From Saturday the 12th right through until the morning of Wednesday the 23rd, there’s just nothing worth paddling out for. It’s a long stretch of small, weak swell and ordinary conditions. The water temp is sitting at 71°, which feels a touch warmer than normal for this time of year.
The real action, and I mean *real* action, kicks off on the morning of Thursday the 24th. That’s when a big pulse of swell arrives from the SSE. We’re looking at a solid 8ft of groundswell with a very long 17-second period. The combined energy is pumping at 3295, which is strong. The best part? Glassy conditions with a slight air from the ENE. That is going to be clean. This is only for experienced surfers though – over 8ft is expert territory, and this is right on the edge. That long period will mean better shaped waves and more energy, but at a beach-break it can straighten out a bit, so keep your wits about you.
Friday the 25th holds that energy nicely. Morning swell is 8ft from the SSE, 16-second period, and the combined energy is still massive at 2769. A light offshore from the SW will keep it clean again. Another morning for the experienced crew only. The afternoon turns onshore and gets messier.
After that, it backs off quickly into the weekend. By Saturday the 26th we’re down to 4ft, and by Sunday the 27th it’s tiny again. So the standout is clear: Thursday the 24th and Friday the 25th mornings are the ones to circle. Big, clean, powerful – just don’t take the beginners.
Stay safe out there.
Rusty
Short Range ForecastHeavy rain (total 43mm), heaviest during Sat night. Warm (max 24°C on Sat morning, min 18°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 7mm), mostly falling on Tue night. Very mild (max 19°C on Tue morning, min 17°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | |||||||||||||||
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) | S 11 | S 11 | S 6 | S 7 | SSE 8 | SE 7 | SSE 7 | SSE 7 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 8 | S 12 | SSE 8 | SSE 9 | SSE 12 | S 11 | E 6 | S 11 | SSE 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 38 | 21 | 60 | 109 | 102 | 111 | 67 | 69 | 196 | 153 | 100 | 131 | 114 | 106 | 191 | 216 | 512 | 181 | 170 | 114 | 139 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-on | on | on | cross-on | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | cross | cross | on | on | on | cross-on | glassy | cross-off | cross-off |
High Tide | 3:11PM1.18m | 3:13AM1.32m | 3:31PM1.15m | 3:44AM1.28m | 3:52PM1.12m | 4:15AM1.20m | 4:13PM1.07m | 4:47AM1.09m | 4:35PM1.00m | 5:22AM0.97m | 4:59PM0.92m | 6:08AM0.84m | 5:30PM0.83m | 1:04AM0.48m | |||||||
Low Tide | 9:25AM0.04m | 9:21PM0.21m | 9:47AM0.13m | 9:38PM0.19m | 10:06AM0.24m | 9:56PM0.19m | 10:20AM0.35m | 10:14PM0.21m | 10:30AM0.46m | 10:34PM0.27m | 10:29AM0.56m | 10:54PM0.36m | 10:09AM0.65m | 11:07PM0.47m | |||||||
 |  |  | |  |  | | |  |  |  | |  | | | | |  | | | | |
 | 6:05 | — | — | 6:03 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — | 6:00 | — | — | 5:58 | — | — |
 | — | 5:57 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 5:59 | — | — | 5:59 | — |
mm | 2 | — | 22 | 3 | 8 | 2 | — | 3 | 3 | — | — | 2 | 2 | 2 | 1 | — | — | — | — | 1 | 2 |
Temp °C | 24 | 21 | 19 | 19 | 19 | 19 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 20 |
Feels °C | 24 | 19 | 20 | 20 | 19 | 19 | 17 | 18 | 20 | 18 | 18 | 20 | 18 | 17 | 17 | 17 | 16 | 16 | 18 | 19 | 21 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 5 | S 7 | SSE 8 | S 14 | SSE 7 | SSE 7 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 8 | SE 8 | SSE 8 | SSE 9 | SSE 12 | S 11 | ESE 6 | ESE 6 | SSE 10 |
| kJ | 38 | 21 | 17 | 109 | 102 | 4 | 67 | 69 | 196 | 153 | 100 | 131 | 114 | 73 | 191 | 216 | 512 | 181 | 64 | 48 | 139 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | S 14 | SSE 13 | E 5 | SSE 11 | S 10 | S 11 | SSE 10 | S 13 | S 7 | S 11 | SE 8 | SE 8 | SE 10 | S 11 | S 11 | ESE 7 |
| kJ | 11 | 11 | 12 | 6 | 6 | 16 | 34 | 14 | 40 | 53 | 57 | 21 | 86 | 58 | 89 | 21 | 18 | 15 | 154 | 114 | 42 |
Swell 3 Height (m) Direction Period (s) | SSW 4 | — | S 10 | SE 11 | SE 11 | — | ESE 9 | SSE 12 | — | — | — | S 15 | — | S 12 | S 11 | SSE 14 | — | — | SSE 14 | SSE 14 | SSE 14 |
| kJ | 1 | — | 18 | 5 | 5 | — | 7 | 49 | — | — | — | 4 | — | 106 | 89 | 18 | — | — | 61 | 74 | 71 |
Wind waves Height (m) Direction Period (s) | — | SW 3 | S 6 | — | — | SE 7 | ESE 5 | — | — | — | SSW 5 | — | S 6 | — | — | — | ESE 4 | ESE 5 | E 6 | — | — |
| kJ | — | 2 | 60 | — | — | 111 | 29 | — | — | — | 19 | — | 40 | — | — | — | 35 | 69 | 170 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 24 | 299 | 3 | 3 | 3 | 14 | 0 | 0 | 0 | 0 | 0 | 101 | 101 | 3 | 3 | 61 | 3 | 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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