Surf Forecasts:
Barrinha surf forecast from 9 Aug 2026:
- Best quality surf: Monday 10 Aug, 9AM (local time) - 6.5ft (2.0m), 12s period, S swell with offshore winds.
- Most powerful swell: Monday 10 Aug, 3PM (local time) - 8ft (2.4m), 12s period, S swell with 1,735 kJ wave energy.
- Next surfable swell (1★+): Sunday 9 Aug, 6PM (local time) - 7ft (2.1m), 11s 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 Sunday (Aug 09) at 6PM. The primary swell is predicted to be 2.1m and 11s period. The wind is predicted to be cross-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 Monday (Aug 10) at 3PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 5s period and expected on Thursday (Aug 13) at 9AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Sun 9th Aug) | 7ft (2.1m) 11s |
| Best Surf | 9AM (Mon 10th Aug) | 6.5ft (2.0m) 12s |
| Most Powerful | 3PM (Mon 10th Aug) | 8ft (2.4m) 12s |
Table - best surf conditions forecast for Barrinha over the next 16 days.
The Lowdown
Alright, Rusty here, breaking it down for the next couple of weeks. It’s a bit of a mixed bag, so let’s just get straight into it.
The action starts on Sunday, the 9th, but it's nothing wild. Sunday morning has 7ft swell from the south with an 8-second period – a short-period windswell – and a cross-off wind keeping it clean. The combined energy is 991 (moderate wave energy). It’s doable but not the session to circle.
Monday, the 10th, is the real gem of the whole run. Monday morning is the standout. You’ve got clean, consistent 8ft swell from the south with a 12-second period, giving it serious shape and grunt. The wind is offshore from the southwest at a gentle 9 mph, so it’s going to be glassy. The combined energy is a massive 2575 (strong to very strong wave energy). That's your day – the one that makes the whole forecast worth it.
Tuesday, the 11th, has some merit. The morning is glassy with 7ft south swell and a long 12-second period, but the combined energy drops to 1122 (moderate wave energy). It’ll be clean but a little weaker. Tuesday afternoon gets messy with a cross-on wind.
Then we get a few more decent windows. Thursday, the 13th, is glassy in the morning with a 6ft swell from the SSE and a very long 14-second period, carrying energy of 1533 (strong wave energy). That long-period south swell will have some real push at a fairly exposed beach.
After that, we run into a long, flat patch. From the 15th right through the 21st, it’s mostly poor to unsurfable, with tiny swells under 3ft, strong onshore winds, or just not enough energy. That’s about six days of nothing doing.
Finally, on Saturday, the 22nd, a new pulse arrives – 5ft from the SSW with a short 7-second period, but a consistent 12 mph offshore wind from the southwest. The energy is back up to 307 (moderate wave energy). It’s a punchy little windswell with clean conditions, but it won't be world-class. Sunday the 23rd fades off quick.
Here’s the takeaway: if you're going to wet a line, make it Monday morning, the 10th of August. That’s the big one. Thursday the 13th morning is a solid fallback for the experienced crew. The rest of the run is a waiting game.
- Rusty
Short Range ForecastLight rain (total 4mm), mostly falling on Sun afternoon. Very mild (max 15°C on Sun morning, min 11°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 25mm), heaviest during Wed morning. Very mild (max 19°C on Thu morning, min 12°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||
Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | |||||||||||||||
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 8 | S 11 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SSE 12 | SSE 12 | S 12 | SSE 14 | S 13 | SSE 13 | S 13 | SSE 13 | ESE 9 | ESE 9 | ESE 9 | ESE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 569 | 1271 | 1154 | 1129 | 1735 | 1530 | 1342 | 1155 | 1334 | 1064 | 928 | 711 | 1491 | 1440 | 1401 | 905 | 1288 | 742 | 566 | 442 | 432 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | cross-off | off | glassy | glassy | cross-on | cross-on | cross-on | cross-on | glassy | cross-on | glassy | cross-off | off | cross | glassy | glassy | cross-on |
High Tide | 2:00PM0.75m | 1:17AM0.39m | 2:42PM0.76m | 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 | |||||||
Low Tide | 7:43PM0.29m | 6:49AM0.01m | 8:11PM0.30m | 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 | ||||||||
 |  |  |  | |  | | | |  | |  | | | | | | | | |  | |
 | 6:50 | — | — | 6:50 | — | — | 6:48 | — | — | 6:48 | — | — | 6:47 | — | — | 6:47 | — | — | 6:46 | — | — |
 | — | 5:49 | — | — | 5:49 | — | — | 5:50 | — | — | 5:50 | — | — | 5:51 | — | — | 5:51 | — | — | 5:52 | — |
mm | — | 1 | 2 | — | — | — | — | 1 | — | 8 | 2 | — | — | 3 | 5 | 2 | 2 | 3 | — | — | 1 |
Temp °C | 15 | 14 | 11 | 13 | 15 | 13 | 14 | 13 | 12 | 13 | 15 | 16 | 19 | 17 | 18 | 18 | 18 | 18 | 19 | 20 | 19 |
Feels °C | 11 | 10 | 8 | 9 | 10 | 10 | 13 | 12 | 11 | 11 | 14 | 16 | 20 | 18 | 18 | 18 | 19 | 19 | 20 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 11 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SSE 12 | SSE 12 | S 12 | SSE 14 | S 13 | SSE 13 | SE 8 | SSE 13 | ESE 9 | ESE 9 | ESE 9 | ESE 8 |
| kJ | 353 | 992 | 1154 | 1129 | 1351 | 1530 | 1342 | 1155 | 1334 | 1064 | 928 | 711 | 1491 | 1440 | 1401 | 353 | 1288 | 742 | 566 | 442 | 432 |
Swell 2 Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | E 8 | NE 5 | ENE 6 | ENE 6 | S 13 | ESE 8 | S 12 | SSE 12 | SSE 11 | S 11 |
| kJ | 48 | 31 | 50 | 22 | 40 | 39 | 25 | 12 | 11 | 5 | 5 | 1 | 34 | 21 | 25 | 905 | 355 | 672 | 470 | 363 | 229 |
Swell 3 Height (m) Direction Period (s) | E 15 | — | E 13 | — | — | — | — | — | — | — | — | — | NW 4 | — | NE 6 | NE 6 | — | NE 6 | — | — | — |
| kJ | 4 | — | 3 | — | — | — | — | — | — | — | — | — | 3 | — | 23 | 19 | — | 6 | — | — | — |
Wind waves Height (m) Direction Period (s) | S 8 | S 11 | — | SSW 9 | S 12 | — | — | — | — | NE 7 | NE 4 | NE 5 | — | — | — | ESE 8 | NE 6 | — | — | NNE 3 | — |
| kJ | 569 | 1271 | — | 528 | 1735 | — | — | — | — | 8 | 16 | 37 | — | — | — | 439 | 10 | — | — | 6 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 3 | 46 | 28 | 0 | 0 | 28 | 0 | 0 | 1 | 1 | 1 | 1 | 29 | 0 | 1 | 0 | 11 | 6 | 82 | 6 | 6 |
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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