Surf Forecasts:
Barra do Sul surf forecast from 23 Aug 2026:
- Best quality surf: Wednesday 26 Aug, 3AM (local time) - 3.5ft (1.0m), 16s period, SE swell with glassy winds.
- Most powerful swell: Wednesday 26 Aug, 3AM (local time) - 3.5ft (1.0m), 16s period, SE swell with 486 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 3AM (local time) - 2ft (0.6m), 10s period with SE swell.
Best Forecast Surf Conditions for Barra do Sul this week:
The surf forecast for Barra do Sul over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 23) at 3AM. The primary swell is predicted to be 0.6m and 10s period with a secondary swell of 0.3m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Barra do Sul in the next 16 days are 1.0m 16s and forecast to arrive on Wednesday (Aug 26) at 3AM. Winds are predicted to be glassy at the time the swell arrives.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Sun 23rd Aug) | 2ft (0.6m) 10s |
| Best Surf | 3AM (Wed 26th Aug) | 3.5ft (1.0m) 16s |
| Most Powerful | 3AM (Wed 26th Aug) | 3.5ft (1.0m) 16s |
Table - best surf conditions forecast for Barra do Sul over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s break down what’s in store for Barra do Sul.
Honestly, the first few days are a bit of a slow burn. From Saturday the 22nd through Sunday the 23rd, the swell is small and the conditions are poor to ordinary, so you’re not missing much. The first real chance to get wet comes Monday morning the 24th, but it’s marginal – a 0.9m SE swell with a cross-shore breeze and 13-second period. The energy is moderate (331), but it’s not going to be great.
The first true standout is Wednesday morning, the 26th of August. It’s a small but punchy 1.0m SE swell, but with a very long 15-second period and glassy wind from the NW. The combined energy is strong (445), so there’s a lot of power in those waves. The water is a touch warmer than average at 20°, so it’s comfortable. This is a groundswell that’ll offer clean, lined-up sets. Get on it.
Thursday morning the 27th is a solid follow-up – glassy, calm, with a 0.8m SE swell at 14 seconds and energy at 369. It’s smaller but still clean. Friday morning the 28th brings a 1.3m easterly swell, but it’s short period at 8 seconds, so it’s a bit bumpy in energy. Still, with glassy conditions, it’s surfable.
Into the second week, Saturday the 29th morning gives a clean 1.3m E swell with a cross-off breeze, and Sunday the 30th morning is similar with 1.1m E. The real standout of the second week is Friday morning, the 4th of September. A 1.3m ESE swell, glassy conditions, and a very strong energy reading of 451. That’s a morning with real punch and clean faces. It’s a long-range call, but it’s worth watching.
Crowds can be a factor here sometimes, so aim for the early morning sessions. The two best windows are Wednesday the 26th morning and Friday the 4th morning – don’t sleep on them.
Rusty.
Short Range ForecastMostly dry. Very mild (max 17°C on Sat afternoon, min 13°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 7mm), mostly falling on Wed morning. Warm (max 22°C on Fri morning, min 15°C on Wed morning). Wind will be generally light. | |||||||||||||||||||
Sat 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | ||||||||||||||
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) | SE 10 | SE 10 | SE 12 | SE 13 | SE 14 | SE 13 | SE 15 | SE 14 | SE 13 | SE 13 | SE 16 | SE 15 | SE 15 | SE 14 | SE 14 | SE 13 | E 7 | E 8 | E 8 | E 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 122 | 80 | 112 | 136 | 231 | 261 | 360 | 238 | 140 | 136 | 366 | 421 | 410 | 297 | 277 | 173 | 117 | 206 | 277 | 304 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | glassy | on | cross-on | cross | on | glassy | glassy | glassy | cross-on | glassy | cross | glassy | glassy | on | glassy | glassy | cross-on | glassy |
High Tide | 11:03PM0.76m | 12:18PM0.98m | 11:59PM0.88m | 12:54PM1.08m | 00:39AM1.00m | 1:26PM1.17m | 1:14AM1.11m | 1:57PM1.23m | 1:48AM1.20m | 2:28PM1.26m | 2:21AM1.26m | 3:00PM1.26m | 2:55AM1.29m | |||||||
Low Tide | 6:50PM0.52m | 6:19AM0.30m | 7:13PM0.45m | 6:51AM0.20m | 7:33PM0.39m | 7:18AM0.11m | 7:50PM0.35m | 7:43AM0.04m | 8:05PM0.32m | 8:06AM-0.00m | 8:17PM0.29m | 8:27AM-0.02m | 8:29PM0.27m | |||||||
 |  | | | |  | |  | |  |  |  | | | | |  | | | | |
 | — | — | 6:35 | — | — | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — | 6:31 | — | — | 6:31 | — | — |
 | 5:57 | — | — | 5:57 | — | — | 5:58 | — | — | 5:58 | — | — | 5:59 | — | — | 5:59 | — | — | 6:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | 3 | 3 | — | — | — | — | 1 | — | — | 1 |
Temp °C | 17 | 14 | 16 | 16 | 15 | 14 | 15 | 15 | 15 | 17 | 17 | 17 | 19 | 18 | 21 | 21 | 19 | 22 | 23 | 20 |
Feels °C | 14 | 12 | 15 | 14 | 13 | 12 | 14 | 14 | 16 | 17 | 17 | 19 | 19 | 20 | 23 | 21 | 20 | 24 | 25 | 22 |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 12 | SE 13 | SE 14 | SE 13 | SE 15 | SE 14 | SE 13 | SE 13 | SE 16 | SE 15 | SE 15 | ENE 6 | E 7 | E 7 | E 7 | E 8 | E 8 | E 9 |
| kJ | 122 | 80 | 112 | 136 | 231 | 261 | 360 | 238 | 140 | 136 | 366 | 421 | 410 | 85 | 92 | 94 | 117 | 206 | 277 | 304 |
Swell 2 Height (m) Direction Period (s) | E 8 | ENE 8 | ENE 8 | ENE 7 | E 7 | SE 16 | E 7 | E 7 | E 7 | ESE 17 | SSE 12 | — | — | SE 14 | SE 14 | SE 13 | SE 12 | SE 12 | SE 11 | SE 11 |
| kJ | 36 | 21 | 6 | 5 | 4 | 69 | 1 | 1 | 1 | 28 | 56 | — | — | 297 | 277 | 173 | 77 | 36 | 20 | 18 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | E 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SE 4 | — | — | — | — | — | NE 4 | ENE 5 | ENE 5 | ENE 6 | — | — | — | — | — | — |
| kJ | — | — | — | — | 8 | — | — | — | — | — | 3 | 24 | 32 | 136 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 152 | 19 | 0 | 100 | 29 | 29 | 57 | 0 | 0 | 0 | 19 | 0 | 21 | 0 | 0 | 66 | 0 | 0 | 29 | 0 |
Best forecast wave conditions in Santa Catarina - Norte | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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Information about the Barra do Sul Surf forecast
The above surf forecast table for Barra do Sul provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Barra do Sul can be found by selecting the local surf guide option on the grey menu. Our Barra do Sul 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 (Barra do Sul) 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 Barra do Sul 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.
Barra do Sul is 15 km (9 miles) from Barra Velha. If you plan a holiday in Santa Catarina - Norte, look for hotels and other accommodation in Barra Velha. Barra Velha has rooms for a wide range of budgets as well as car hire and transport links.
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