Surf Forecasts:
Barrinha surf forecast from 11 Aug 2026:
- Best quality surf: Tuesday 11 Aug, 12AM (local time) - 8ft (2.4m), 12s period, S swell with offshore winds.
- Most powerful swell: Tuesday 11 Aug, 3AM (local time) - 8ft (2.4m), 12s period, S swell with 1,721 kJ wave energy.
- Next surfable swell (1★+): Tuesday 11 Aug, 12AM (local time) - 8ft (2.4m), 12s period with S swell.
Best Forecast Surf Conditions for Barrinha this week:
The surf forecast for Barrinha over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 11) at 12AM. The primary swell is predicted to be 2.4m and 12s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Barrinha in the next 16 days are 2.4m 12s and forecast to arrive on Tuesday (Aug 11) at 3AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 8s period and expected on Monday (Aug 17) at 3AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Tue 11th Aug) | 8ft (2.4m) 12s |
| Best Surf | 12AM (Tue 11th Aug) | 8ft (2.4m) 12s |
| Most Powerful | 3AM (Tue 11th Aug) | 8ft (2.4m) 12s |
Table - best surf conditions forecast for Barrinha over the next 16 days.
The Lowdown
Alright, listen up. Rusty here with the lowdown on the surf for the next couple of weeks. We've got a solid stretch of swell coming in, with a couple of killer sessions early on and a big, promising pulse to close things out.
The main story is a steady run of Southern Hemisphere groundswell. The water temp is sitting around 67°, which is about average for the time of year.
Let's paddle through the details.
Monday afternoon (August 10th) kicks things off with a clean cross-off breeze from the South. We've got a solid 8ft S swell rolling in with a 12-second period and the wave energy is strong at 1569. It's a bit too big for the groms, but a fun, powerful wave for the rest of us.
Tuesday morning (August 11th) is a real gem. The wind goes dead glassy, just a slight air from the SSW. The swell drops to a still-chunky 7ft, but it's packing strong energy (1277). The forecast says "expect very good surf conditions." This is your first standout.
Thursday morning (August 13th) is another winner. A clean cross-off, 7ft S swell with a long 14-second period and big energy (1576). This is excellent, world-class stuff for experienced surfers with that long period creating powerful, lined-up sets.
From Thursday afternoon through to Saturday morning (August 15th) , we have a beautiful run of glassy, clean conditions as the swell fades from 6ft down to 4ft. Perfect time for a longboard.
After a quiet patch in the middle of the second week, the forecast gets really interesting for Monday, August 25th. The long-range charts show a monster pulse on Tuesday morning (August 25th) : a 8ft S swell with a very long 16-second period and a massive combined energy of 4504 – that's extremely strong energy. This is a serious, expert-only groundswell. The wind is forecast to be light and onshore, so quality is uncertain this far out, but this is the one to watch.
The Standouts
- Tuesday morning (August 11th): A 7ft S swell, 12-second period, and glassy conditions. This is the cleanest, most powerful session of the early run.
- Thursday morning (August 13th): That 7ft, 14-second S swell with clean winds is a close second for the experienced crew.
- Tuesday (August 25th): A big, long-period groundswell event. Promising, but keep an eye on the wind forecasts as we get closer.
Crowds at Barrinha are possible, especially on the good days.
That's the whole story. Get after it.
Rusty.
Short Range ForecastLight rain (total 6mm), mostly falling on Thu afternoon. Very mild (max 19°C on Thu morning, min 12°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 31mm), heaviest during Fri afternoon. Warm (max 25°C on Sat afternoon, min 17°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | ||||||||||||||
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 12 | S 12 | S 12 | S 12 | SSE 12 | S 12 | S 12 | S 14 | S 13 | SSE 13 | SSE 13 | SSE 13 | S 12 | S 12 | S 11 | ESE 8 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 1665 | 1277 | 1122 | 1290 | 1064 | 956 | 956 | 1599 | 1440 | 1230 | 1074 | 1162 | 672 | 384 | 291 | 229 | 291 | 364 | 346 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | glassy | cross-on | cross-on | cross-on | cross | off | cross-off | glassy | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 00:31AM0.44m | 3:20PM0.73m | 00:37AM0.52m | 3:50PM0.67m | 1:04AM0.60m | 3:20PM0.59m | 1:37AM0.66m | 2:58PM0.55m | 2:13AM0.70m | 3:07PM0.54m | 2:51AM0.70m | 3:26PM0.54m | |||||||
Low Tide | 7:35AM-0.05m | 8:37PM0.33m | 8:17AM-0.09m | 9:02PM0.35m | 8:57AM-0.08m | 9:26PM0.35m | 9:35AM-0.04m | 9:48PM0.34m | 10:10AM0.04m | 10:06PM0.32m | 10:44AM0.13m | 7:53PM0.28m | |||||||
 |  | |  |  |  | | | |  |  | |  | |  | | | | | |
 | — | 6:48 | — | — | 6:48 | — | — | 6:47 | — | — | 6:47 | — | — | 6:46 | — | — | 6:45 | — | — |
 | — | — | 5:50 | — | — | 5:50 | — | — | 5:51 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — |
mm | — | — | — | — | 1 | — | — | — | 5 | 3 | 4 | 4 | 9 | 4 | 1 | 3 | 1 | 2 | — |
Temp °C | 13 | 14 | 14 | 12 | 15 | 18 | 16 | 19 | 17 | 17 | 19 | 20 | 19 | 24 | 25 | 19 | 19 | 20 | 20 |
Feels °C | 10 | 13 | 13 | 10 | 13 | 15 | 14 | 18 | 17 | 19 | 20 | 20 | 19 | 23 | 24 | 19 | 17 | 21 | 21 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | SSE 12 | S 12 | S 12 | S 14 | S 13 | SSE 13 | SSE 13 | SSE 13 | S 12 | SE 8 | ESE 8 | ESE 8 | E 8 | S 10 | E 8 |
| kJ | 1665 | 1277 | 1122 | 1290 | 1064 | 956 | 956 | 1599 | 1440 | 1230 | 1074 | 1162 | 672 | 201 | 243 | 229 | 291 | 100 | 346 |
Swell 2 Height (m) Direction Period (s) | ENE 8 | NE 8 | ENE 8 | ENE 8 | ENE 7 | — | NE 5 | NE 5 | NE 5 | NE 6 | SE 7 | ESE 7 | ESE 8 | S 12 | S 11 | SSE 10 | SSE 10 | S 10 | S 10 |
| kJ | 39 | 17 | 12 | 11 | 5 | — | 29 | 15 | 8 | 11 | 97 | 83 | 183 | 384 | 291 | 184 | 106 | 133 | 71 |
Swell 3 Height (m) Direction Period (s) | — | — | NE 8 | — | — | — | — | — | — | NE 6 | NE 6 | ENE 9 | — | NE 5 | — | — | S 10 | E 13 | — |
| kJ | — | — | 16 | — | — | — | — | — | — | 11 | 11 | 8 | — | 8 | — | — | 51 | 14 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NNE 3 | NNE 4 | NNE 5 | — | — | — | — | NE 6 | NNE 4 | N 3 | NE 4 | NNE 4 | ENE 7 | E 8 | NNE 4 |
| kJ | — | — | — | — | 3 | 29 | 59 | — | — | — | — | 8 | 19 | 8 | 10 | 11 | 18 | 364 | 32 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 1 | 1 | 17 | 1 | 0 | 0 | 0 | 1 | 1 | 6 | 1 | 17 | 19 | 140 | 6 | 19 |
Best forecast wave conditions in Santa Catarina - Sul | |||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||
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Information about the Barrinha Surf forecast
The above surf forecast table for Barrinha provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Barrinha can be found by selecting the local surf guide option on the grey menu. Our Barrinha 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 (Barrinha) 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 Barrinha 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.
Barrinha is 17 km (11 miles) from Imbituba. If you plan a holiday in Santa Catarina - Sul, look for hotels and other accommodation in Imbituba. Imbituba has rooms for a wide range of budgets as well as car hire and transport links.
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